Fine Structure

ai.finestructure/fine-structureVersion 1.0.2

Build and host full-stack apps from a prompt, with agents that reach you on WhatsApp and email.

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https://finestructure.ai/api/mcpResponds580 msNov 14, 2026, 13:29 UTC

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Claude Code

claude mcp add --transport http fine-structure https://finestructure.ai/api/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: fine-structure
Remote MCP server URL: https://finestructure.ai/api/mcp

Cursor

{
  "mcpServers": {
    "fine-structure": {
      "url": "https://finestructure.ai/api/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"fine-structure","type":"http","url":"https://finestructure.ai/api/mcp"}'

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Tools

184 tools

Tools of Fine Structure
	Description		Read-only	Idempotent	Open world
`add_custom_domain`Attach or replace the app custom domain through the same Fine Structure Studio custom-domain flow. Returns exact DNS verification and routing records for the user to configure at their DNS provider.	Attach or replace the app custom domain through the same Fine Structure Studio custom-domain flow. Returns exact DNS verification and routing records for the user to configure at their DNS provider.	Yes	No	No	Yes
`add_file_change`Stage one file upsert or delete inside a change set. Does not modify the live app until apply_change_set. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	Stage one file upsert or delete inside a change set. Does not modify the live app until apply_change_set. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	No	No	No	No
`add_knowledge_document`Add a document to a notebook: plain text, or a file (PDF, Word, a spreadsheet, an image or audio) as base64. It is processed in the background (audio is transcribed); list_knowledge_documents shows when it is ready. The same file twice is recognised.	Add a document to a notebook: plain text, or a file (PDF, Word, a spreadsheet, an image or audio) as base64. It is processed in the background (audio is transcribed); list_knowledge_documents shows when it is ready. The same file twice is recognised.	No	No	No	No
`add_knowledge_note`Write a note into a notebook; agents and apps answer from it like from a document.	Write a note into a notebook; agents and apps answer from it like from a document.	No	No	No	No
`agency_create_claim_link`Agency mode only. Create a client claim link for an existing app owned by the agent. The client must log in with the invited email before ownership transfers.	Agency mode only. Create a client claim link for an existing app owned by the agent. The client must log in with the invited email before ownership transfers.	No	No	No	No
`agency_create_client`Agency mode only. Create or update a client record for an account-level agent. This does not create a verified Fine Structure user account and does not transfer ownership.	Agency mode only. Create or update a client record for an account-level agent. This does not create a verified Fine Structure user account and does not transfer ownership.	No	No	No	No
`agency_create_client_app`Agency mode only. Create a new app owned by the agent, start generation, and create a claim link for the client. Ownership transfers only when the invited client logs in with the same email and accepts the claim link.	Agency mode only. Create a new app owned by the agent, start generation, and create a claim link for the client. Ownership transfers only when the invited client logs in with the same email and accepts the claim link.	No	No	No	No
`agency_get_claim_status`Agency mode only. Inspect one handoff status without exposing the raw claim token.	Agency mode only. Inspect one handoff status without exposing the raw claim token.	No	Yes	Yes	No
`agency_list_clients`Agency mode only. List client records and app handoff status for the authenticated agent.	Agency mode only. List client records and app handoff status for the authenticated agent.	No	Yes	Yes	No
`apply_change_set`Apply a staged change set to the app. Creates a Saved Version before applying. Blocks on validation errors unless force=true.	Apply a staged change set to the app. Creates a Saved Version before applying. Blocks on validation errors unless force=true.	No	No	No	No
`apply_knowledge_redaction`Redact the chosen findings of a scan: approved maps each document id to the finding ids to replace. The original text is kept, so revert_knowledge_redaction can undo it.	Redact the chosen findings of a scan: approved maps each document id to the finding ids to replace. The original text is kept, so revert_knowledge_redaction can undo it.	No	No	No	No
`archive_agent_goal`Retire a goal: its runner stops and never runs again, and the goal stays readable. Use this when the owner asks to delete a goal.	Retire a goal: its runner stops and never runs again, and the goal stays readable. Use this when the owner asks to delete a goal.	Yes	No	No	No
`archive_agent_task`Remove a scheduled task from the agent's schedule. It never runs again and stays readable in the history. Use this when the owner asks to delete or cancel a task.	Remove a scheduled task from the agent's schedule. It never runs again and stays readable in the history. Use this when the owner asks to delete or cancel a task.	Yes	No	No	No
`archive_agent_trigger`Retire a trigger: it never starts the agent again and stays readable. Use this when the owner asks to delete a trigger.	Retire a trigger: it never starts the agent again and stays readable. Use this when the owner asks to delete a trigger.	Yes	No	No	No
`ask_knowledge_notebook`Ask a notebook a question; the answer comes from its documents, with sources. Waits up to 25 seconds for the answer, otherwise returns the query_job_id for get_knowledge_answer. Without chat_session_id a new conversation starts.	Ask a notebook a question; the answer comes from its documents, with sources. Waits up to 25 seconds for the answer, otherwise returns the query_job_id for get_knowledge_answer. Without chat_session_id a new conversation starts.	No	No	No	No
`attach_agent_whatsapp`Connect a platform WhatsApp number to one of the account's agents, so the owner can message that number and reach that agent. Requires the owner to be verified first. Take phone_number_id from get_agent_whatsapp. A number already used by another account is still valid to connect: it answers only this owner's verified phone.	Connect a platform WhatsApp number to one of the account's agents, so the owner can message that number and reach that agent. Requires the owner to be verified first. Take phone_number_id from get_agent_whatsapp. A number already used by another account is still valid to connect: it answers only this owner's verified phone.	No	No	No	Yes
`cancel_agent_run`Cancel one run in progress, for example a reply the agent is still working on. Work it handed to other agents is cancelled with it. Take run_id from list_agent_activity or get_agent_task.	Cancel one run in progress, for example a reply the agent is still working on. Work it handed to other agents is cancelled with it. Take run_id from list_agent_activity or get_agent_task.	Yes	No	No	No
`check_domain_verification`Check Fine Structure custom-domain verification and SSL status for the configured custom domain, then save the latest status.	Check Fine Structure custom-domain verification and SSL status for the configured custom domain, then save the latest status.	No	No	No	Yes
`check_subdomain_available`Check whether a platform subdomain can be claimed before calling set_app_subdomain. Returns available plus a status of available, invalid, reserved, taken, current, or empty, with the exact reason. Pass app_id (an app you own) to have that app's own current subdomain reported as 'current' instead of 'taken'.	Check whether a platform subdomain can be claimed before calling set_app_subdomain. Returns available plus a status of available, invalid, reserved, taken, current, or empty, with the exact reason. Pass app_id (an app you own) to have that app's own current subdomain reported as 'current' instead of 'taken'.	No	Yes	Yes	No
`compare_current_to_version`Compare the current app files to a Saved Version and return compact per-file diffs.	Compare the current app files to a Saved Version and return compact per-file diffs.	No	Yes	Yes	No
`compare_saved_versions`Compare two Saved Versions and return per-file additions, removals, modifications, and compact diffs.	Compare two Saved Versions and return per-file additions, removals, modifications, and compact diffs.	No	Yes	Yes	No
`configure_domain_redirects`Configure custom-domain redirect policy: primary domain, optional www/root redirect, and HTTPS enforcement.	Configure custom-domain redirect policy: primary domain, optional www/root redirect, and HTTPS enforcement.	No	No	No	Yes
`configure_integration`Store safe non-secret integration metadata for an app. Use set_secret for API keys/tokens.	Store safe non-secret integration metadata for an app. Use set_secret for API keys/tokens.	No	No	No	No
`confirm_owner_phone_verification`Confirm the 6-digit code the owner received on WhatsApp from start_owner_phone_verification. On success the owner is verified: agents can message them, and platform numbers become connectable.	Confirm the 6-digit code the owner received on WhatsApp from start_owner_phone_verification. On success the owner is verified: agents can message them, and platform numbers become connectable.	No	No	No	No
`create_ab_test`Create a native Fine Structure A/B test between existing app pages. Use update_app first if a variant page still needs to be generated. Creates a Saved Version before the change.	Create a native Fine Structure A/B test between existing app pages. Use update_app first if a variant page still needs to be generated. Creates a Saved Version before the change.	No	No	No	Yes
`create_agent`Create an autonomous AI agent on the user's Fine Structure account: a standing worker, not a chat session. It gets the platform's default safe tool policy and its own email address, it can read and write the app database, and once the owner phone is verified (see get_agent_whatsapp) it can message its owner on WhatsApp and by email through the platform system channels. Pair it with schedule_agent_task for recurring work such as following up new leads on WhatsApp each morning, watching an app for runtime errors, or sending a weekly summary. Messaging anyone other than the verified owner requires a channel the owner connects in the Fine Structure Studio.	Create an autonomous AI agent on the user's Fine Structure account: a standing worker, not a chat session. It gets the platform's default safe tool policy and its own email address, it can read and write the app database, and once the owner phone is verified (see get_agent_whatsapp) it can message its owner on WhatsApp and by email through the platform system channels. Pair it with schedule_agent_task for recurring work such as following up new leads on WhatsApp each morning, watching an app for runtime errors, or sending a weekly summary. Messaging anyone other than the verified owner requires a channel the owner connects in the Fine Structure Studio.	No	No	No	Yes
`create_agent_goal`Give an agent a goal to pursue on its own. It works on it every interval_minutes, at most max_iterations times, under its own permissions, so a step can message people the agent is allowed to reach. Each step uses agent credits.	Give an agent a goal to pursue on its own. It works on it every interval_minutes, at most max_iterations times, under its own permissions, so a step can message people the agent is allowed to reach. Each step uses agent credits.	No	No	No	Yes
`create_agent_team`Create a whole team of agents from a template, wired to work together, optionally adapted to the owner's requirements and company name. The new agents start active with the platform's default safe permissions and can message only their verified owner until channels are connected in Fine Structure.	Create a whole team of agents from a template, wired to work together, optionally adapted to the owner's requirements and company name. The new agents start active with the platform's default safe permissions and can message only their verified owner until channels are connected in Fine Structure.	No	No	No	Yes
`create_agent_trigger`Add a trigger that starts the agent with these instructions: event (event_type such as lead.created, with an optional source), schedule (a schedule object) or watch. Each start is a run under the agent's permissions and uses agent credits. Its approval rules stay as set in Fine Structure, and a webhook trigger, whose URL is a secret, is made on the agent's screen.	Add a trigger that starts the agent with these instructions: event (event_type such as lead.created, with an optional source), schedule (a schedule object) or watch. Each start is a run under the agent's permissions and uses agent credits. Its approval rules stay as set in Fine Structure, and a webhook trigger, whose URL is a secret, is made on the agent's screen.	No	No	No	Yes
`create_app`Create a new application from a natural language prompt. The AI generates a complete web app with pages, components, styling, and data models. Returns a job_id - poll get_job_status to track progress. When the job is done, the app is ready.	Create a new application from a natural language prompt. The AI generates a complete web app with pages, components, styling, and data models. Returns a job_id - poll get_job_status to track progress. When the job is done, the app is ready.	No	No	No	No
`create_change_set`Create a staged file change set. Add multiple file changes, validate them as one app state, then apply atomically.	Create a staged file change set. Add multiple file changes, validate them as one app state, then apply atomically.	No	No	No	No
`create_entity_records`Create/insert records in one app entity. Executes directly for the authenticated app owner and returns the created record ids.	Create/insert records in one app entity. Executes directly for the authenticated app owner and returns the created record ids.	No	No	No	No
`create_entity_schema`Create an entity schema file in entities/<Entity>.json. Creates a Saved Version before writing.	Create an entity schema file in entities/<Entity>.json. Creates a Saved Version before writing.	No	No	No	No
`create_knowledge_folder`Create a folder for notebooks, optionally inside another folder.	Create a folder for notebooks, optionally inside another folder.	No	No	No	No
`create_knowledge_notebook`Create an empty notebook, optionally inside a folder.	Create an empty notebook, optionally inside a folder.	No	No	No	No
`create_org_goal`Add a company-wide goal for the whole agent team to align to.	Add a company-wide goal for the whole agent team to align to.	No	No	No	No
`create_platform_request`Open a request to the Fine Structure platform team: a bug, a feature request or a question about the platform itself (not about the user's app). Use it when something in the platform blocks you instead of working around it. Give a reproduction the team can run (invoke_function / curl / the exact tool call and result), what you expected, and how the team will know it is closed. Credential-looking values are redacted. Returns request_id and a Studio URL; the team's replies, status changes and deployments come back through get_platform_request / list_platform_requests. Limits: 20 per account per day, 32 KB.	Open a request to the Fine Structure platform team: a bug, a feature request or a question about the platform itself (not about the user's app). Use it when something in the platform blocks you instead of working around it. Give a reproduction the team can run (invoke_function / curl / the exact tool call and result), what you expected, and how the team will know it is closed. Credential-looking values are redacted. Returns request_id and a Studio URL; the team's replies, status changes and deployments come back through get_platform_request / list_platform_requests. Limits: 20 per account per day, 32 KB.	No	No	No	No
`create_whatsapp_trigger`Save a WhatsApp trigger for record-created events. It is saved switched off and messages no one. Switching it on is done by the owner on the app's Automations screen in Fine Structure.	Save a WhatsApp trigger for record-created events. It is saved switched off and messages no one. Switching it on is done by the owner on the app's Automations screen in Fine Structure.	No	No	No	No
`delete_ab_test`Delete a native A/B test from an app. Creates a Saved Version before the change.	Delete a native A/B test from an app. Creates a Saved Version before the change.	Yes	No	No	Yes
`delete_entity_records`Delete exact records by ID or exact-match filters. Executes directly for the authenticated app owner; pass expected_count as a safety check to abort on a mismatch.	Delete exact records by ID or exact-match filters. Executes directly for the authenticated app owner; pass expected_count as a safety check to abort on a mismatch.	Yes	No	No	No
`delete_secret`Delete one app secret by key.	Delete one app secret by key.	Yes	No	No	No
`detach_agent_whatsapp`Disconnect the owner's WhatsApp route from a platform number. Removes only this account's route; other accounts sharing the number keep theirs.	Disconnect the owner's WhatsApp route from a platform number. Removes only this account's route; other accounts sharing the number keep theirs.	Yes	No	No	Yes
`disable_whatsapp_trigger`Switch a WhatsApp trigger off: new records no longer send its message. It stays saved.	Switch a WhatsApp trigger off: new records no longer send its message. It stays saved.	No	No	No	No
`discard_change_set`Discard a pending staged change set without changing app files.	Discard a pending staged change set without changing app files.	Yes	No	No	No
`get_ab_test_stats`Get views, unique visitors, conversions, and conversion rates for an A/B test.	Get views, unique visitors, conversions, and conversion rates for an A/B test.	No	Yes	Yes	No
`get_agent`Read one agent: name, role, description, persona (its standing instructions), status, email address, WhatsApp number and which capability groups are switched on.	Read one agent: name, role, description, persona (its standing instructions), status, email address, WhatsApp number and which capability groups are switched on.	No	Yes	Yes	No
`get_agent_conversation`Read visible messages, answers and result links in an owned agent's conversation. Returns the newest page in chronological order. For older history, pass next_before_id as before_id. For new replies, omit before_id.	Read visible messages, answers and result links in an owned agent's conversation. Returns the newest page in chronological order. For older history, pass next_before_id as before_id. For new replies, omit before_id.	No	Yes	Yes	No
`get_agent_task`Check a durable task returned by send_agent_message or list_agent_tasks. Includes the latest execution status and pending approvals, including before a run starts. Task scheduling state is separate from run outcome. Read the conversation for the actual answer; accepted/queued is not completed. Approvals must still be decided by the owner in Fine Structure.	Check a durable task returned by send_agent_message or list_agent_tasks. Includes the latest execution status and pending approvals, including before a run starts. Task scheduling state is separate from run outcome. Read the conversation for the actual answer; accepted/queued is not completed. Approvals must still be decided by the owner in Fine Structure.	No	Yes	Yes	No
`get_agent_whatsapp`Read the WhatsApp state of the connected account: whether the owner's phone is verified, which platform numbers they can connect, and which conversations already route to which agent. Call this first whenever the user asks to talk to an agent on WhatsApp, and repeat its next_step to them.	Read the WhatsApp state of the connected account: whether the owner's phone is verified, which platform numbers they can connect, and which conversations already route to which agent. Call this first whenever the user asks to talk to an agent on WhatsApp, and repeat its next_step to them.	No	Yes	Yes	No
`get_app_analytics`Traffic analytics for an app's published site over a chosen window: total views, unique visitors, daily series, top pages, top referrer domains and device split.	Traffic analytics for an app's published site over a chosen window: total views, unique visitors, daily series, top pages, top referrer domains and device split.	No	Yes	Yes	No
`get_app_detail`Deep introspection of an app: entities, pages, settings, integrations, environment variables, and file structure. Use this to understand what an app contains before updating it.	Deep introspection of an app: entities, pages, settings, integrations, environment variables, and file structure. Use this to understand what an app contains before updating it.	No	Yes	Yes	No
`get_app_files`Get the file tree for an app with paths and byte sizes.	Get the file tree for an app with paths and byte sizes.	No	Yes	Yes	No
`get_app_knowledge_access`Which of the owner's notebooks an app's AI may answer from, and the ones it could be given.	Which of the owner's notebooks an app's AI may answer from, and the ones it could be given.	No	Yes	Yes	No
`get_app_links`Return editor, preview, published path, subdomain, and custom-domain links plus whether each works for anonymous visitors, app users, or Studio users based on publish and auth settings.	Return editor, preview, published path, subdomain, and custom-domain links plus whether each works for anonymous visitors, app users, or Studio users based on publish and auth settings.	No	Yes	Yes	No
`get_app_metadata`Read the saved public HTML-shell identity: name, description, language and image URLs/dimensions. Same settings as Studio SEO/GEO.	Read the saved public HTML-shell identity: name, description, language and image URLs/dimensions. Same settings as Studio SEO/GEO.	No	Yes	Yes	No
`get_app_security_audit`Read recent server-side security audit events for an app.	Read recent server-side security audit events for an app.	No	Yes	Yes	No
`get_app_security_context`Return safe security context for one owned app: owner id/email, Studio collaborators, generated-app members, route policies, entity policies, function policies, and recent security audit entries. Does not return secrets and does not grant access to other apps.	Return safe security context for one owned app: owner id/email, Studio collaborators, generated-app members, route policies, entity policies, function policies, and recent security audit entries. Does not return secrets and does not grant access to other apps.	No	Yes	Yes	No
`get_app_status`Get app overview: files, published state, URL, active jobs.	Get app overview: files, published state, URL, active jobs.	No	Yes	Yes	No
`get_connection_access`Which of the owner's agents and apps may use one connection (from list_connections).	Which of the owner's agents and apps may use one connection (from list_connections).	No	Yes	Yes	No
`get_connection_status`Status of the account-level connections: Facebook, Google Drive, TikTok and the social accounts connected through Zernio (Instagram, LinkedIn and others), including any that need to be reconnected. refresh true asks Zernio for the live state.	Status of the account-level connections: Facebook, Google Drive, TikTok and the social accounts connected through Zernio (Instagram, LinkedIn and others), including any that need to be reconnected. refresh true asks Zernio for the live state.	No	Yes	Yes	Yes
`get_credit_balance`The account's plan and both balances: build credits, which pay for creating and editing apps, and agent credits, which pay for agent runs.	The account's plan and both balances: build credits, which pay for creating and editing apps, and agent credits, which pay for agent runs.	No	Yes	Yes	No
`get_domain_ssl_status`Return SSL/certificate status and pending certificate validation DNS records for the app custom domain.	Return SSL/certificate status and pending certificate validation DNS records for the app custom domain.	No	Yes	Yes	Yes
`get_domain_verification`Return the exact DNS records and instructions required to verify and route the app custom domain.	Return the exact DNS records and instructions required to verify and route the app custom domain.	No	Yes	Yes	No
`get_entities`Get all entity (data model) schemas for an app, with record counts. Each entity has fields, types, and relationships.	Get all entity (data model) schemas for an app, with record counts. Each entity has fields, types, and relationships.	No	Yes	Yes	No
`get_errors`Get recent runtime errors for an app (last 20). Useful for diagnosing issues before updating.	Get recent runtime errors for an app (last 20). Useful for diagnosing issues before updating.	No	Yes	Yes	No
`get_job_status`Poll the status of an async generation job. Use this after create_app or update_app to know when the job is done. Returns status ('running' or 'done'), progress events, and result summary when complete.	Poll the status of an async generation job. Use this after create_app or update_app to know when the job is done. Returns status ('running' or 'done'), progress events, and result summary when complete.	No	Yes	Yes	No
`get_knowledge_access_log`Who opened, asked or changed the notebooks, newest first: people, apps and agents.	Who opened, asked or changed the notebooks, newest first: people, apps and agents.	No	Yes	Yes	No
`get_knowledge_answer`The state and, once ready, the answer of a question asked with ask_knowledge_notebook.	The state and, once ready, the answer of a question asked with ask_knowledge_notebook.	No	Yes	Yes	No
`get_knowledge_chat`One conversation with a notebook: the questions and the answers with their sources.	One conversation with a notebook: the questions and the answers with their sources.	No	Yes	Yes	No
`get_knowledge_notebook_access`Who can use a notebook: the apps that answer from it and the owner's agents it is connected to.	Who can use a notebook: the apps that answer from it and the owner's agents it is connected to.	No	Yes	Yes	No
`get_knowledge_notebook_overview`A notebook's overview: the summary written from its sources, document counts by state, and which sources are ready.	A notebook's overview: the summary written from its sources, document counts by state, and which sources are ready.	No	Yes	Yes	No
`get_knowledge_redaction_log`What was redacted in one document, by category and count, and whether the original was kept.	What was redacted in one document, by category and count, and whether the original was kept.	No	Yes	Yes	No
`get_knowledge_redaction_policy`A notebook's automatic redaction policy for new uploads.	A notebook's automatic redaction policy for new uploads.	No	Yes	Yes	No
`get_knowledge_redaction_run`A sensitive-data scan: per document its state and what was found (category, the text, the suggested replacement, confidence), and what was applied.	A sensitive-data scan: per document its state and what was found (category, the text, the suggested replacement, confidence), and what was applied.	No	Yes	Yes	No
`get_make_migration_report`Read every scenario in the owner's connected Make account and grade what moves to Fine Structure fully, partly or by hand. Read-only.	Read every scenario in the owner's connected Make account and grade what moves to Fine Structure fully, partly or by hand. Read-only.	No	Yes	Yes	Yes
`get_pages`Get all pages in an app with their file paths and sizes.	Get all pages in an app with their file paths and sizes.	No	Yes	Yes	No
`get_platform_guide`Return a machine-readable Fine Structure / FSe2 guide for AI agents. Call this at the start of an MCP session to learn app files, entities, safe edit workflows, validation, publishing, A/B testing, secrets, and platform rules.	Return a machine-readable Fine Structure / FSe2 guide for AI agents. Call this at the start of an MCP session to learn app files, entities, safe edit workflows, validation, publishing, A/B testing, secrets, and platform rules.	No	Yes	Yes	No
`get_platform_request`One platform request with its full history: team replies, status changes (open \| triaged \| in_progress \| needs_info \| deployed \| wont_fix) and what was deployed (commit, time). Pass since=<ISO timestamp> to get only the events after it.	One platform request with its full history: team replies, status changes (open \| triaged \| in_progress \| needs_info \| deployed \| wont_fix) and what was deployed (commit, time). Pass since=<ISO timestamp> to get only the events after it.	No	Yes	Yes	No
`get_preview_url`Return editor preview and published/public URLs for an app.	Return editor preview and published/public URLs for an app.	No	Yes	Yes	No
`get_recommended_workflow`Return the recommended MCP tool sequence for a task type. Use this before creating apps, editing files, seeding data, publishing, setting up A/B tests, restoring versions, or configuring secrets/integrations.	Return the recommended MCP tool sequence for a task type. Use this before creating apps, editing files, seeding data, publishing, setting up A/B tests, restoring versions, or configuring secrets/integrations.	No	Yes	Yes	No
`get_whatsapp_trigger_options`What a WhatsApp trigger can use in this app: the owner's WhatsApp numbers and flows, and the pages, entities and fields that create records.	What a WhatsApp trigger can use in this app: the owner's WhatsApp numbers and flows, and the pages, entities and fields that create records.	No	Yes	Yes	No
`import_knowledge_audio_url`Download a public audio file (a recording, a podcast episode) into a new notebook and transcribe it there.	Download a public audio file (a recording, a podcast episode) into a new notebook and transcribe it there.	No	No	No	Yes
`inspect_preview`Return server-side preview context: URLs, persisted runtime/network errors, static clickable candidates, pages, and explicit live-browser availability.	Return server-side preview context: URLs, persisted runtime/network errors, static clickable candidates, pages, and explicit live-browser availability.	No	Yes	Yes	No
`invite_app_member`Provision a generated-app runtime member with a role. This does not create a Studio collaborator, and the owner role cannot be assigned. password is required: ask the account owner which password the member should get. This tool never generates one, because a generated password would come back in the result and that is a live credential in the conversation transcript.	Provision a generated-app runtime member with a role. This does not create a Studio collaborator, and the owner role cannot be assigned. password is required: ask the account owner which password the member should get. This tool never generates one, because a generated password would come back in the result and that is a live credential in the conversation transcript.	No	No	No	No
`invoke_function`Run a backend function of an owned app exactly like the HTTP route and return its status and JSON. caller='owner' runs as the app owner; caller='anonymous' first evaluates the function policy as a public visitor and returns the 401/403 decision without running when access would be denied. Use it to verify a function (secrets, outbound calls, policy) before wiring it into the app.	Run a backend function of an owned app exactly like the HTTP route and return its status and JSON. caller='owner' runs as the app owner; caller='anonymous' first evaluates the function policy as a public visitor and returns the 401/403 decision without running when access would be denied. Use it to verify a function (secrets, outbound calls, policy) before wiring it into the app.	No	No	No	No
`list_ab_tests`List the platform A/B tests configured for an app.	List the platform A/B tests configured for an app.	No	Yes	Yes	No
`list_agent_activity`What the account's agents did, newest first: each run with its agent, status, the tools it called, agent credits used and any error. Read the run's conversation with get_agent_conversation for the full answer.	What the account's agents did, newest first: each run with its agent, status, the tools it called, agent credits used and any error. Read the run's conversation with get_agent_conversation for the full answer.	No	Yes	Yes	No
`list_agent_approvals`Actions the agents are holding until the owner approves them, such as a message to a customer or a payment. Each comes with a plain description and a review link. The owner approves or rejects them in Fine Structure.	Actions the agents are holding until the owner approves them, such as a message to a customer or a payment. Each comes with a plain description and a review link. The owner approves or rejects them in Fine Structure.	No	Yes	Yes	No
`list_agent_conversations`List recent visible conversations belonging to one of your agents. Use get_agent_conversation to read replies and results.	List recent visible conversations belonging to one of your agents. Use get_agent_conversation to read replies and results.	No	Yes	Yes	No
`list_agent_goals`An agent's goals: objective, success criteria, plan, status, progress, current step and the background runner task that works on it.	An agent's goals: objective, success criteria, plan, status, progress, current step and the background runner task that works on it.	No	Yes	Yes	No
`list_agent_memories`What an agent has learned and kept: long-term facts and insights, newest first, optionally only those about one customer.	What an agent has learned and kept: long-term facts and insights, newest first, optionally only those about one customer.	No	Yes	Yes	No
`list_agent_tasks`List scheduled tasks for one agent (or the whole account), including schedule, status and next_run_at.	List scheduled tasks for one agent (or the whole account), including schedule, status and next_run_at.	No	Yes	Yes	No
`list_agent_templates`Ready-made single agent templates: role, description and suggested persona, for create_agent.	Ready-made single agent templates: role, description and suggested persona, for create_agent.	No	Yes	Yes	No
`list_agent_triggers`What starts an agent on its own: event, schedule, watch and webhook triggers, with their instructions, status and last fire. A webhook's URL carries its secret and is shown only on the agent's screen.	What starts an agent on its own: event, schedule, watch and webhook triggers, with their instructions, status and last fire. A webhook's URL carries its secret and is shown only on the agent's screen.	No	Yes	Yes	No
`list_agents`List the AI agents on the user's account with id, name, role, status and FineMail address.	List the AI agents on the user's account with id, name, role, status and FineMail address.	No	Yes	Yes	No
`list_app_domains`List an app's platform path, subdomain, and configured custom domain with verification, SSL, primary-domain, redirect, publish, and login-gating status.	List an app's platform path, subdomain, and configured custom domain with verification, SSL, primary-domain, redirect, publish, and login-gating status.	No	Yes	Yes	No
`list_app_members`List generated-app runtime users/members for an app. This is separate from Studio project collaborators.	List generated-app runtime users/members for an app. This is separate from Studio project collaborators.	No	Yes	Yes	No
`list_apps`List owned and accepted Studio-shared applications, newest activity first. Returns up to `limit` apps per call plus the total count; page with `offset` when the account has more. Accepted editors can edit shared source; viewers can read it. Publishing, records, domains and security administration remain owner-only.	List owned and accepted Studio-shared applications, newest activity first. Returns up to `limit` apps per call plus the total count; page with `offset` when the account has more. Accepted editors can edit shared source; viewers can read it. Publishing, records, domains and security administration remain owner-only.	No	Yes	Yes	No
`list_connectable_app_tools`What an agent could do with one third-party app once it is connected: its actions.	What an agent could do with one third-party app once it is connected: its actions.	No	Yes	Yes	Yes
`list_connection_catalog`Every service the platform can connect, with whether this account has connected it, whether one-click sign-in is available, and its connections.	Every service the platform can connect, with whether this account has connected it, whether one-click sign-in is available, and its connections.	No	Yes	Yes	No
`list_connections`The account's connected accounts and services (each mailbox, Drive view, MCP server, app account and so on is one connection), and whether Google Drive, Facebook and a mailbox are connected. Connecting, disconnecting and sharing a connection with an agent are done on the Connections screen in Fine Structure: https://finestructure.ai/connections	The account's connected accounts and services (each mailbox, Drive view, MCP server, app account and so on is one connection), and whether Google Drive, Facebook and a mailbox are connected. Connecting, disconnecting and sharing a connection with an agent are done on the Connections screen in Fine Structure: https://finestructure.ai/connections	No	Yes	Yes	Yes
`list_event_connection_events`The latest 100 events a source received and what each did: status, step results, errors.	The latest 100 events a source received and what each did: status, step results, errors.	No	Yes	Yes	No
`list_event_connection_revisions`The saved versions of a source's configuration.	The saved versions of a source's configuration.	No	Yes	Yes	No
`list_event_connections`Incoming-events sources: external systems that send events to the account (a form, a shop, a payment provider), each with its status (draft, active, paused) and its mapping steps.	Incoming-events sources: external systems that send events to the account (a form, a shop, a payment provider), each with its status (draft, active, paused) and its mapping steps.	No	Yes	Yes	No
`list_facebook_ad_accounts`The ad accounts the connected Facebook account reaches, and which of them agents may use (an empty allowed list means all).	The ad accounts the connected Facebook account reaches, and which of them agents may use (an empty allowed list means all).	No	Yes	Yes	Yes
`list_failed_knowledge_documents`Documents whose processing failed, with the error, so they can be retried or replaced.	Documents whose processing failed, with the error, so they can be retried or replaced.	No	Yes	Yes	No
`list_integrations`List supported integrations and safe connected integration metadata for an app. Tokens/secrets are never returned.	List supported integrations and safe connected integration metadata for an app. Tokens/secrets are never returned.	No	Yes	Yes	No
`list_knowledge_chats`The conversations held with a notebook, newest first.	The conversations held with a notebook, newest first.	No	Yes	Yes	No
`list_knowledge_documents`The documents (sources) of a notebook: name, type, status (queued, processing, ready, failed), size and error.	The documents (sources) of a notebook: name, type, status (queued, processing, ready, failed), size and error.	No	Yes	Yes	No
`list_knowledge_folders`The folders the notebooks are filed in, nested.	The folders the notebooks are filed in, nested.	No	Yes	Yes	No
`list_knowledge_notebooks`The knowledge notebooks of the owner's Business Brain, or of one app: title, folder, how many documents and their state. Agents and apps answer from notebooks they are given.	The knowledge notebooks of the owner's Business Brain, or of one app: title, folder, how many documents and their state. Agents and apps answer from notebooks they are given.	No	Yes	Yes	No
`list_knowledge_notes`The notes written in a notebook, with their full text.	The notes written in a notebook, with their full text.	No	Yes	Yes	No
`list_knowledge_webhooks`The ingest webhooks that let an external system add files to a notebook, with their state. Their URLs are secrets and are shown only on the Brain screen, where webhooks are created.	The ingest webhooks that let an external system add files to a notebook, with their state. Their URLs are secrets and are shown only on the Brain screen, where webhooks are created.	No	Yes	Yes	No
`list_org_goal_updates`The progress notes agents wrote on a company-wide goal, newest first.	The progress notes agents wrote on a company-wide goal, newest first.	No	Yes	Yes	No
`list_org_goals`The owner's company-wide goals, the shared objectives every agent aligns to, with progress.	The owner's company-wide goals, the shared objectives every agent aligns to, with progress.	No	Yes	Yes	No
`list_platform_requests`Your account's platform requests, newest activity first. Call it at the start of a session with since=<the updated_date you last saw> to learn what changed: replies, needs_info questions to answer, deployments with their commit. Filters: app_id, status.	Your account's platform requests, newest activity first. Call it at the start of a session with since=<the updated_date you last saw> to learn what changed: replies, needs_info questions to answer, deployments with their commit. Filters: app_id, status.	No	Yes	Yes	No
`list_saved_versions`List restorable Saved Versions for an app, including versions created by MCP writes.	List restorable Saved Versions for an app, including versions created by MCP writes.	No	Yes	Yes	No
`list_secret_keys`List secret key names for an app. Secret values are never returned.	List secret key names for an app. Secret values are never returned.	No	Yes	Yes	No
`list_team_templates`Ready-made agent teams (for example a sales or a support company) that create_agent_team builds in one step, with each member's role.	Ready-made agent teams (for example a sales or a support company) that create_agent_team builds in one step, with each member's role.	No	Yes	Yes	No
`list_whatsapp_trigger_logs`What the app's WhatsApp triggers sent, newest first, with the outcome of each send.	What the app's WhatsApp triggers sent, newest first, with the outcome of each send.	No	Yes	Yes	No
`list_whatsapp_triggers`The app's WhatsApp triggers: the message sent to a customer when a record is created, the page and entity, the phone field, the sending number and whether it is on.	The app's WhatsApp triggers: the message sent to a customer when a record is created, the page and entity, the phone field, the sending number and whether it is on.	No	Yes	Yes	No
`move_knowledge_notebook`File a notebook in a folder; an empty or missing folder_id moves it to the top.	File a notebook in a folder; an empty or missing folder_id moves it to the top.	No	No	No	No
`patch_app_file`Patch one file by replacing exact text. Safer than full overwrite for targeted edits. Creates a Saved Version before changing content. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	Patch one file by replacing exact text. Safer than full overwrite for targeted edits. Creates a Saved Version before changing content. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	No	No	No	No
`pause_event_connection`Pause an incoming-events source: events that arrive are kept and wait, and none is processed until the owner activates it again on the Connections screen.	Pause an incoming-events source: events that arrive are kept and wait, and none is processed until the owner activates it again on the Connections screen.	No	No	No	No
`preview_event_connection`Dry run: show what a source would do with a sample event (its identity, which steps match, the mapped contact fields). Nothing is written or sent.	Dry run: show what a source would do with a sample event (its identity, which steps match, the mapped contact fields). Nothing is written or sent.	No	Yes	Yes	No
`preview_saved_version`Prepare an isolated read-only Saved Version preview, if enabled by the deployment. Returns compiled files for an offline sandbox, never restores files or reads live records. Never execute the returned program with host credentials. Requires app access and versions:read.	Prepare an isolated read-only Saved Version preview, if enabled by the deployment. Returns compiled files for an offline sandbox, never restores files or reads live records. Never execute the returned program with host credentials. Requires app access and versions:read.	No	Yes	Yes	No
`publish_app`Publish an app - freeze current state and make it live at a URL. Also configures whether the public URL is open, app-login gated, private, or inferred from the app.	Publish an app - freeze current state and make it live at a URL. Also configures whether the public URL is open, app-login gated, private, or inferred from the app.	No	No	No	Yes
`query_entity`Query app data records for one entity with optional exact-match filters.	Query app data records for one entity with optional exact-match filters.	No	Yes	Yes	No
`read_app_file`Read one source file from an app's virtual filesystem. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	Read one source file from an app's virtual filesystem. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	No	Yes	Yes	No
`read_app_files`Read several source files from an app's virtual filesystem. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	Read several source files from an app's virtual filesystem. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	No	Yes	Yes	No
`read_knowledge_document`The text extracted from one document (or the transcript of an audio file), in pages: offset and max_chars select the part, and the reply says how long the whole text is.	The text extracted from one document (or the transcript of an audio file), in pages: offset and max_chars select the part, and the reply says how long the whole text is.	No	Yes	Yes	No
`remove_app_member`Remove a person's access to the app. They are blocked, as with block_app_member: their sessions end and the address can neither sign in nor sign up again. Nothing is deleted, and unblock_app_member gives the access back.	Remove a person's access to the app. They are blocked, as with block_app_member: their sessions end and the address can neither sign in nor sign up again. Nothing is deleted, and unblock_app_member gives the access back.	Yes	No	No	No
`remove_custom_domain`Remove the configured custom domain from the app and clean up the platform-side hostname registration when possible.	Remove the configured custom domain from the app and clean up the platform-side hostname registration when possible.	Yes	No	No	Yes
`rename_app_file`Rename or move one app source file atomically. Internally stages an upsert at new_path and a delete at old_path, validates the resulting app state, and creates a Saved Version before applying.	Rename or move one app source file atomically. Internally stages an upsert at new_path and a delete at old_path, validates the resulting app state, and creates a Saved Version before applying.	No	No	No	No
`rename_knowledge_document`Set the name a document is shown under (its file name stays); an empty name clears it.	Set the name a document is shown under (its file name stays); an empty name clears it.	No	No	No	No
`rename_knowledge_notebook`Change a notebook's title; its documents and notes stay as they are.	Change a notebook's title; its documents and notes stay as they are.	No	No	No	No
`reply_platform_request`Add a reply or a finding to one of your platform requests without opening a new one, e.g. to answer a needs_info question (that reopens it).	Add a reply or a finding to one of your platform requests without opening a new one, e.g. to answer a needs_info question (that reopens it).	No	No	No	No
`restore_file_from_version`Restore one file from a Saved Version instead of restoring the entire app. Creates a Saved Version before changing the file. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	Restore one file from a Saved Version instead of restoring the entire app. Creates a Saved Version before changing the file. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	Yes	No	No	No
`retry_knowledge_document`Process a document again after it failed or stalled.	Process a document again after it failed or stalled.	No	No	No	No
`revert_knowledge_redaction`Undo an applied redaction: the documents get their original text back.	Undo an applied redaction: the documents get their original text back.	Yes	No	No	No
`run_agent_goal_now`Work one step of a goal now, outside its interval, under the agent's permissions; it can message people and uses agent credits. Waits up to 15 seconds, then returns running true while the step goes on.	Work one step of a goal now, outside its interval, under the agent's permissions; it can message people and uses agent credits. Waits up to 15 seconds, then returns running true while the step goes on.	Yes	No	No	Yes
`run_agent_task_now`Start one run of a scheduled task now, outside its schedule. The run does what the task's instructions say under the agent's permissions, so it can message people and it uses agent credits. Waits up to 15 seconds: it returns the finished task, or running true while the run goes on. Follow it with get_agent_task.	Start one run of a scheduled task now, outside its schedule. The run does what the task's instructions say under the agent's permissions, so it can message people and it uses agent credits. Waits up to 15 seconds: it returns the finished task, or running true while the run goes on. Follow it with get_agent_task.	Yes	No	No	Yes
`run_agent_trigger_now`Fire a trigger once now as a test: the agent runs its instructions under its permissions, so it can message people and uses agent credits. Returns at once with the task that runs it; follow it with get_agent_task.	Fire a trigger once now as a test: the agent runs its instructions under its permissions, so it can message people and uses agent credits. Returns at once with the task that runs it; follow it with get_agent_task.	Yes	No	No	Yes
`scan_knowledge_for_sensitive_data`Scan documents for personal or sensitive information, or for what the owner's instructions describe. Only finds; nothing changes until apply_knowledge_redaction. Runs in the background; read it with get_knowledge_redaction_run.	Scan documents for personal or sensitive information, or for what the owner's instructions describe. Only finds; nothing changes until apply_knowledge_redaction. Runs in the background; read it with get_knowledge_redaction_run.	No	No	No	No
`schedule_agent_task`Create a scheduled task for one of the user's agents. Supported schedule types: once (run_at ISO local time + timezone), interval (interval_minutes 5-1440), hourly, daily (time HH:MM + timezone), weekly (time + timezone + days_of_week 0=Sunday..6), cron (5-field expression + timezone), manual (only runs on demand). Returns the normalized schedule and the computed next_run_at so you can read the fire time back to the user in their timezone. For 'tell me when a new X comes in' (a lead, an order, a signup, any record of an app entity) do not poll with a plain interval: set watch, and the task costs nothing until a new record arrives.	Create a scheduled task for one of the user's agents. Supported schedule types: once (run_at ISO local time + timezone), interval (interval_minutes 5-1440), hourly, daily (time HH:MM + timezone), weekly (time + timezone + days_of_week 0=Sunday..6), cron (5-field expression + timezone), manual (only runs on demand). Returns the normalized schedule and the computed next_run_at so you can read the fire time back to the user in their timezone. For 'tell me when a new X comes in' (a lead, an order, a signup, any record of an app entity) do not poll with a plain interval: set watch, and the task costs nothing until a new record arrives.	No	No	No	Yes
`search_connectable_apps`Third-party apps an agent can be connected to (thousands, through the apps lane), with the account's own connections. Search by name.	Third-party apps an agent can be connected to (thousands, through the apps lane), with the account's own connections. Search by name.	No	Yes	Yes	Yes
`seed_entity`Compatibility tool for starter-record creation. Inserts directly for the authenticated app owner; by default it only seeds an empty entity (skip_if_not_empty).	Compatibility tool for starter-record creation. Inserts directly for the authenticated app owner; by default it only seeds an empty entity (skip_if_not_empty).	No	No	No	No
`send_agent_message`Talk to an existing agent or assign it work using its normal tools, memory, permissions and team. Omit conversation_id to start a new owner conversation; supply it to continue one. Returns acceptance and a durable task_id immediately, NOT a completed answer. Poll get_agent_task and read get_agent_conversation for the actual response. Work continues after MCP disconnects. A follow-up in a busy conversation uses the normal queue. Customer conversations are readable but cannot be impersonated by this tool.	Talk to an existing agent or assign it work using its normal tools, memory, permissions and team. Omit conversation_id to start a new owner conversation; supply it to continue one. Returns acceptance and a durable task_id immediately, NOT a completed answer. Poll get_agent_task and read get_agent_conversation for the actual response. Work continues after MCP disconnects. A follow-up in a busy conversation uses the normal queue. Customer conversations are readable but cannot be impersonated by this tool.	Yes	No	No	Yes
`send_whatsapp_trigger_test`Send a saved trigger's message once to the owner's own verified WhatsApp number, rendered with a sample record, from the trigger's sending number. It never goes to anyone else.	Send a saved trigger's message once to the owner's own verified WhatsApp number, rendered with a sample record, from the trigger's sending number. It never goes to anyone else.	No	No	No	Yes
`set_agent_owner_relay`Set the owner's consent for one owned agent to relay reports from another owned agent (or all sources with '*'). Uses the same preference as the agent screen. Does not send a message or grant access to customer conversations.	Set the owner's consent for one owned agent to relay reports from another owned agent (or all sources with '*'). Uses the same preference as the agent screen. Does not send a message or grant access to customer conversations.	No	No	No	No
`set_agent_status`Pause, resume or archive an agent. paused: it stops working and keeps its setup. archived: it is retired from the account; use this when the owner asks to delete an agent. active: it works again. Tasks that came due while it was paused or archived were paused themselves and stay paused: the result lists them, and update_agent_task with status active resumes each one.	Pause, resume or archive an agent. paused: it stops working and keeps its setup. archived: it is retired from the account; use this when the owner asks to delete an agent. active: it works again. Tasks that came due while it was paused or archived were paused themselves and stay paused: the result lists them, and update_agent_task with status active resumes each one.	Yes	No	No	Yes
`set_app_knowledge_access`Choose which of the owner's notebooks an app's AI may answer from. The list replaces the current one; an empty list gives it none.	Choose which of the owner's notebooks an app's AI may answer from. The list replaces the current one; an empty list gives it none.	Yes	No	No	No
`set_app_metadata`Update public HTML-shell metadata immediately, without AI, code edits, publishing or Saved Versions. Upload social_image/icon as base64 PNG/JPEG/WebP (max 5 MB, 4096px); null clears an image. Language sets HTML lang/dir and OG locale. For per-page cards, write optional seo.json and publish it; dynamic entries may read only explicitly public entity records.	Update public HTML-shell metadata immediately, without AI, code edits, publishing or Saved Versions. Upload social_image/icon as base64 PNG/JPEG/WebP (max 5 MB, 4096px); null clears an image. Language sets HTML lang/dir and OG locale. For per-page cards, write optional seo.json and publish it; dynamic entries may read only explicitly public entity records.	No	No	No	No
`set_app_subdomain`Set or clear the app platform subdomain - the '<subdomain>.<base domain>' host Fine Structure already serves the app on. Runs the same ownership, format, reserved-name and uniqueness checks as the Studio subdomain field because it calls the same model function. Replacing a subdomain takes effect immediately and creates NO redirect: the previous name stops resolving to this app and is released for anyone to claim. Pass an empty subdomain to clear it. For a domain the user owns, use add_custom_domain instead.	Set or clear the app platform subdomain - the '<subdomain>.<base domain>' host Fine Structure already serves the app on. Runs the same ownership, format, reserved-name and uniqueness checks as the Studio subdomain field because it calls the same model function. Replacing a subdomain takes effect immediately and creates NO redirect: the previous name stops resolving to this app and is released for anyone to claim. Pass an empty subdomain to clear it. For a domain the user owns, use add_custom_domain instead.	Yes	No	No	Yes
`set_entity_policy`Replace server-side entity access policy. Optional action rules override read/write roles and can allow public create without public read, update, or delete. Omitting rules replaces any existing action rules with read/write role behavior.	Replace server-side entity access policy. Optional action rules override read/write roles and can allow public create without public read, update, or delete. Omitting rules replaces any existing action rules with read/write role behavior.	Yes	No	No	Yes
`set_function_policy`Create or update the server-owned access policy of a backend function (functions/<name>.js). Without a policy a function answers only to the app owner's Studio token (401 for app visitors and webhooks). Recipes: anonymous checkout step or inbound webhook/IPN -> require_auth=false; signed-in members -> require_auth=true + allowed_roles (e.g. ['authenticated'] or ['admin','staff']); webhook with a shared secret -> require_secret=true + secret_name (an app secret) that the caller sends in secret_header. allowed_hosts fences the function's outbound network to those hosts plus the platform backend; omit it for open egress.	Create or update the server-owned access policy of a backend function (functions/<name>.js). Without a policy a function answers only to the app owner's Studio token (401 for app visitors and webhooks). Recipes: anonymous checkout step or inbound webhook/IPN -> require_auth=false; signed-in members -> require_auth=true + allowed_roles (e.g. ['authenticated'] or ['admin','staff']); webhook with a shared secret -> require_secret=true + secret_name (an app secret) that the caller sends in secret_header. allowed_hosts fences the function's outbound network to those hosts plus the platform backend; omit it for open egress.	No	No	No	No
`set_knowledge_redaction_policy`Set a notebook's automatic redaction for new uploads: on or off, what to find (instructions), whether findings above min_confidence are applied at once. Originals are always kept.	Set a notebook's automatic redaction for new uploads: on or off, what to find (instructions), whether findings above min_confidence are applied at once. Originals are always kept.	Yes	No	No	No
`set_knowledge_webhook_enabled`Turn an ingest webhook off (posts are refused) or on again.	Turn an ingest webhook off (posts are refused) or on again.	No	No	No	Yes
`set_primary_domain`Set which app host should be treated as primary for generated links and custom-domain redirects.	Set which app host should be treated as primary for generated links and custom-domain redirects.	No	No	No	Yes
`set_route_policy`Create or update a server-owned route policy for a generated app route.	Create or update a server-owned route policy for a generated app route.	Yes	No	No	Yes
`set_secret`Create or update one encrypted app secret. The secret value is never returned.	Create or update one encrypted app secret. The secret value is never returned.	Yes	No	No	No
`start_owner_phone_verification`Send a 6-digit code over WhatsApp to the ACCOUNT OWNER's own phone. This is the one-time ownership proof required before a platform number can be connected, and it also unlocks agents messaging the owner. Ask the user for their own WhatsApp number first and send only to that. No WhatsApp Business account is involved.	Send a 6-digit code over WhatsApp to the ACCOUNT OWNER's own phone. This is the one-time ownership proof required before a platform number can be connected, and it also unlocks agents messaging the owner. Ask the user for their own WhatsApp number first and send only to that. No WhatsApp Business account is involved.	Yes	No	No	Yes
`stop_agent_task`Stop a task now: pause its schedule and cancel the run in progress, which stops at its next safe point. Safe to repeat. Resume it later with update_agent_task status active.	Stop a task now: pause its schedule and cancel the run in progress, which stops at its next safe point. Safe to repeat. Resume it later with update_agent_task status active.	Yes	No	No	No
`suggest_whatsapp_trigger_message`Have the AI write a WhatsApp message for a trigger from the page it follows, the app's brain and the record fields. Returns text to review; nothing is saved or sent.	Have the AI write a WhatsApp message for a trigger from the page it follows, the app's brain and the record fields. Returns text to review; nothing is saved or sent.	No	No	No	No
`update_ab_test`Update a native A/B test, including active state, variants, traffic, and conversion goal. Creates a Saved Version before the change.	Update a native A/B test, including active state, variants, traffic, and conversion goal. Creates a Saved Version before the change.	No	No	No	Yes
`update_agent`Edit an agent's name, role, description or persona (its standing instructions). Only the fields given change; the previous text is replaced. Capabilities, channels and approvals stay as they are and are changed in Fine Structure.	Edit an agent's name, role, description or persona (its standing instructions). Only the fields given change; the previous text is replaced. Capabilities, channels and approvals stay as they are and are changed in Fine Structure.	Yes	No	No	No
`update_agent_goal`Change a goal's title, objective, success criteria, plan, iteration cap or status. paused stops its runner, active starts it again, completed and archived end it. Only the fields given change.	Change a goal's title, objective, success criteria, plan, iteration cap or status. paused stops its runner, active starts it again, completed and archived end it. Only the fields given change.	Yes	No	No	Yes
`update_agent_task`Change a scheduled task: title, instructions, schedule (same shape as schedule_agent_task), max_runs, or status active/paused. Only the fields given change. Returns the next run in UTC and in the schedule's timezone.	Change a scheduled task: title, instructions, schedule (same shape as schedule_agent_task), max_runs, or status active/paused. Only the fields given change. Returns the next run in UTC and in the schedule's timezone.	Yes	No	No	Yes
`update_agent_trigger`Change a trigger's name, type, event, source, instructions, schedule or status (active or paused). Only the fields given change. Archive it with archive_agent_trigger.	Change a trigger's name, type, event, source, instructions, schedule or status (active or paused). Only the fields given change. Archive it with archive_agent_trigger.	Yes	No	No	Yes
`update_app`Update an existing application with a new prompt. The AI modifies the app based on your instructions. Creates a Saved Version before the update. Returns a job_id - poll get_job_status to track progress.	Update an existing application with a new prompt. The AI modifies the app based on your instructions. Creates a Saved Version before the update. Returns a job_id - poll get_job_status to track progress.	No	No	No	No
`update_app_member_role`Update a generated-app runtime member role. This cannot assign owner and cannot change the Fine Structure account owner.	Update a generated-app runtime member role. This cannot assign owner and cannot change the Fine Structure account owner.	Yes	No	No	No
`update_entity_metadata`Set relationship/index metadata on an entity schema. This stores metadata in the schema file; DB index creation is automatic where supported by the platform.	Set relationship/index metadata on an entity schema. This stores metadata in the schema file; DB index creation is automatic where supported by the platform.	No	No	No	No
`update_entity_record`Compatibility tool that updates one record by ID. Executes directly for the authenticated app owner.	Compatibility tool that updates one record by ID. Executes directly for the authenticated app owner.	Yes	No	No	No
`update_entity_records`Update exact records. Select explicit record_ids or exact-match filters and provide shared changes, or provide per-record updates. Executes directly for the authenticated app owner; expected_count aborts the write on a mismatch.	Update exact records. Select explicit record_ids or exact-match filters and provide shared changes, or provide per-record updates. Executes directly for the authenticated app owner; expected_count aborts the write on a mismatch.	Yes	No	No	No
`update_entity_schema`Replace or shallow-merge an existing entity schema file. Creates a Saved Version before writing.	Replace or shallow-merge an existing entity schema file. Creates a Saved Version before writing.	No	No	No	No
`update_knowledge_folder`Rename a folder, or move it: parent_id is the new parent, an empty string moves it to the top.	Rename a folder, or move it: parent_id is the new parent, an empty string moves it to the top.	No	No	No	No
`update_knowledge_note`Replace the text of a note in a notebook with new text.	Replace the text of a note in a notebook with new text.	Yes	No	No	No
`update_org_goal`Change a company-wide goal's title, objective, status (active, paused, done, cancelled) or progress (0-100). Only the fields given change.	Change a company-wide goal's title, objective, status (active, paused, done, cancelled) or progress (0-100). Only the fields given change.	Yes	No	No	No
`update_platform_request`Platform team only: set the status of a request (open \| triaged \| in_progress \| needs_info \| deployed \| wont_fix), attach the deployed commit and/or reply. deployed and needs_info mail the requester.	Platform team only: set the status of a request (open \| triaged \| in_progress \| needs_info \| deployed \| wont_fix), attach the deployed commit and/or reply. deployed and needs_info mail the requester.	No	No	No	No
`update_whatsapp_trigger`Change a trigger that is switched off: page, entity, fields, message, number or flow. Only the fields given change. A trigger that is on is turned off first with disable_whatsapp_trigger.	Change a trigger that is switched off: page, entity, fields, message, number or flow. Only the fields given change. A trigger that is on is turned off first with disable_whatsapp_trigger.	Yes	No	No	No
`validate_app`Run deterministic app checks: syntax, imports, routes/pages, entity schemas, missing entities, and recorded runtime errors.	Run deterministic app checks: syntax, imports, routes/pages, entity schemas, missing entities, and recorded runtime errors.	No	Yes	Yes	No
`validate_change_set`Validate current app files plus staged change set files before applying.	Validate current app files plus staged change set files before applying.	No	Yes	Yes	No
`validate_entity_relationships`Validate entity relationship metadata and *_id references against existing entity schemas.	Validate entity relationship metadata and *_id references against existing entity schemas.	No	Yes	Yes	No
`write_app_file`Create or replace one file in an app's virtual filesystem. Creates a Saved Version before changing content. Paths and file model follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	Create or replace one file in an app's virtual filesystem. Creates a Saved Version before changing content. Paths and file model follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.	No	No	No	No

Details

Registry status: Active
Published: Aug 17, 2026
Updated: Aug 17, 2026
Website: https://finestructure.ai/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Communication SecuritySuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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