Cotlet

dev.cotlet/cotletVersion 1.0.1

Cotlet's own tools: a cloud browser signed in as the user, account, credits and calls.

Status

Responds249 msNov 15, 2026, 05:07 UTCAnswered our handshake without sign-in.

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Last checked: Nov 15, 2026, 05:07 UTC
Latency: 249 ms
Remotes responding: 2 of 2
Sign-in: OAuth sign-in, API key
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://cotlet.dev/mcp/v1/cotletResponds355 msNov 15, 2026, 04:25 UTC

No sign-in

Claude Code

claude mcp add --transport http cotlet https://cotlet.dev/mcp/v1/cotlet --header 'Authorization: Bearer <YOUR_TOKEN>'

Replace <YOUR_TOKEN> before running.

Claude Desktop and claude.ai

Settings > Connectors > Add custom connector
Name: cotlet
Remote MCP server URL: https://cotlet.dev/mcp/v1/cotlet
This server expects the header Authorization.

Cursor

{
  "mcpServers": {
    "cotlet": {
      "url": "https://cotlet.dev/mcp/v1/cotlet",
      "headers": {
        "Authorization": "Bearer <YOUR_TOKEN>"
      }
    }
  }
}

Replace <YOUR_TOKEN> before running.

VS Code

code --add-mcp '{"name":"cotlet","type":"http","url":"https://cotlet.dev/mcp/v1/cotlet","headers":{"Authorization":"Bearer <YOUR_TOKEN>"}}'

Replace <YOUR_TOKEN> before running.

Streamable HTTP

https://cotlet.dev/mcp/v1/cotlet/connectSign-in required249 msNov 15, 2026, 05:07 UTC

OAuth sign-in

Claude Code

This server asks for sign-in. Your client opens the sign-in when it connects.

claude mcp add --transport http cotlet https://cotlet.dev/mcp/v1/cotlet/connect

Claude Desktop and claude.ai

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2
3

Settings > Connectors > Add custom connector
Name: cotlet
Remote MCP server URL: https://cotlet.dev/mcp/v1/cotlet/connect

Cursor

{
  "mcpServers": {
    "cotlet": {
      "url": "https://cotlet.dev/mcp/v1/cotlet/connect"
    }
  }
}

VS Code

code --add-mcp '{"name":"cotlet","type":"http","url":"https://cotlet.dev/mcp/v1/cotlet/connect"}'

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Tools

33 tools

Tools of Cotlet
	Description		Read-only	Idempotent	Open world
`cotlet_app_guide`How to work in an app by clicking in the user's Cloud Browser with Cotlet's browser tools: which browser to use for this workspace and the sign-in link, the method step by step, the app's screens, menus and actions, notes, and the app's dedicated tools when Cotlet has them. Call it before the first browser step in an app. Works for any web app; one outside Cotlet's catalog gets the general method. Free, no browser session.	How to work in an app by clicking in the user's Cloud Browser with Cotlet's browser tools: which browser to use for this workspace and the sign-in link, the method step by step, the app's screens, menus and actions, notes, and the app's dedicated tools when Cotlet has them. Call it before the first browser step in an app. Works for any web app; one outside Cotlet's catalog gets the general method. Free, no browser session.	No	Yes	Yes	No
`cotlet_apps`The apps of the user's workspace and whether each works now: the app account in the user's Cloud Browser (connected, signed out, signed in but not connected), and the one step the user has to take, with the console link. Free. Needs the user's Cotlet API key or sign-in.	The apps of the user's workspace and whether each works now: the app account in the user's Cloud Browser (connected, signed out, signed in but not connected), and the one step the user has to take, with the console link. Free. Needs the user's Cotlet API key or sign-in.	No	Yes	Not declared	No
`cotlet_automation_control`pause, resume, run_now (a run now, the answer comes later in cotlet_automation_list) or delete. Ask the user before delete.	pause, resume, run_now (a run now, the answer comes later in cotlet_automation_list) or delete. Ask the user before delete.	Yes	No	Not declared	No
`cotlet_automation_guide`Read first when the user wants a job to repeat on a schedule (every N minutes, daily, when something new appears): the script SDK, its rules, examples and the steps test then save. Free.	Read first when the user wants a job to repeat on a schedule (every N minutes, daily, when something new appears): the script SDK, its rules, examples and the steps test then save. Free.	No	Yes	Not declared	No
`cotlet_automation_list`The workspace's automations: status, schedule, last run, cost. With `automation`: that one in full (script, how it works, writes and consent, outputs) and its runs, newest first: each with id, status, time, new_rows. `runs`: how many (default 10, up to 200); `since`: runs from that time. Read one run's rows with cotlet_automation_rows and `run`.	The workspace's automations: status, schedule, last run, cost. With `automation`: that one in full (script, how it works, writes and consent, outputs) and its runs, newest first: each with id, status, time, new_rows. `runs`: how many (default 10, up to 200); `since`: runs from that time. Read one run's rows with cotlet_automation_rows and `run`.	No	Yes	Not declared	No
`cotlet_automation_rows`What an automation collected, newest run first, each row with its run_id. `run`: only that run's rows (ids from cotlet_automation_list). `since`: an ISO time; `limit` up to 200.	What an automation collected, newest run first, each row with its run_id. `run`: only that run's rows (ids from cotlet_automation_list). `since`: an ISO time; `limit` up to 200.	No	Yes	Not declared	No
`cotlet_automation_save`Saves a tested script as an automation on a schedule, or with `automation` as its new version. Show the user the rows, schedule and cost first. A script with writes waits until the user allows them in the console: give them the link this answers.	Saves a tested script as an automation on a schedule, or with `automation` as its new version. Show the user the rows, schedule and cost first. A script with writes waits until the user allows them in the console: give them the link this answers.	No	No	Not declared	Yes
`cotlet_automation_test`Runs a script once now in a hidden tab of the user's Cloud Browser with every write skipped, and answers its status, rows, log, steps and credits. Uses browser minutes. Test the exact script you will save. `automation`: test against that automation's seen rows and state.	Runs a script once now in a hidden tab of the user's Cloud Browser with every write skipped, and answers its status, rows, log, steps and credits. Uses browser minutes. Test the exact script you will save. `automation`: test against that automation's seen rows and state.	No	No	Not declared	Yes
`cotlet_balance`The user's current credit balance. Free. Needs the user's Cotlet API key or sign-in.	The user's current credit balance. Free. Needs the user's Cotlet API key or sign-in.	No	Yes	Not declared	No
`cotlet_browser_click`Clicks element `element`, or point `x`, `y` of the screenshot; `double` double-clicks, `button: right` right-clicks. Answers the page after it: the elements and text in view, with the same numbers. Says when nothing changed. A link that would open a new tab opens in this one. Buttons that pay or buy, and sign-in and account pages, are refused.	Clicks element `element`, or point `x`, `y` of the screenshot; `double` double-clicks, `button: right` right-clicks. Answers the page after it: the elements and text in view, with the same numbers. Says when nothing changed. A link that would open a new tab opens in this one. Buttons that pay or buy, and sign-in and account pages, are refused.	Yes	No	No	Yes
`cotlet_browser_close`Ends the browser session when the task is done: the browser keeps its cookies and sleeps, and the per-minute charge stops. Answers the session's minutes and credits.	Ends the browser session when the task is done: the browser keeps its cookies and sleeps, and the per-minute charge stops. Answers the session's minutes and credits.	No	No	Yes	No
`cotlet_browser_download`Gets the file that clicking `element` (a download link or button) or opening `url` starts, also an image or PDF it only opens: answers its name, type, size and a link valid 15 minutes; CSV, JSON and other text files also as text.	Gets the file that clicking `element` (a download link or button) or opening `url` starts, also an image or PDF it only opens: answers its name, type, size and a link valid 15 minutes; CSV, JSON and other text files also as text.	Yes	No	No	Yes
`cotlet_browser_drag`Drags from one element or point to another: a card between columns, a piece on a board, a slider's handle. Answers the page after it: the elements and text in view, with the same numbers.	Drags from one element or point to another: a card between columns, a piece on a board, a slider's handle. Answers the page after it: the elements and text in view, with the same numbers.	Yes	No	No	Yes
`cotlet_browser_evaluate`Runs a JavaScript function body on the page and answers what it returns, as JSON. Use it to extract data the page holds (a table, a list, attributes); act with the other tools. It cannot send requests, click, submit, or read cookies or storage; a filled field's value reads [hidden by Cotlet]. Example: return [...document.querySelectorAll('h2')].map(h => h.innerText)	Runs a JavaScript function body on the page and answers what it returns, as JSON. Use it to extract data the page holds (a table, a list, attributes); act with the other tools. It cannot send requests, click, submit, or read cookies or storage; a filled field's value reads [hidden by Cotlet]. Example: return [...document.querySelectorAll('h2')].map(h => h.innerText)	Yes	No	No	Yes
`cotlet_browser_fill_form`Fills several fields in one step: text fields take text, drop-downs an option's label, checkboxes, radios and switches true or false. Stops at the first field that fails and names those filled. Does not send the form: click its button after. Answers the page after it: the elements and text in view, with the same numbers.	Fills several fields in one step: text fields take text, drop-downs an option's label, checkboxes, radios and switches true or false. Stops at the first field that fails and names those filled. Does not send the form: click its button after. Answers the page after it: the elements and text in view, with the same numbers.	Yes	No	No	Yes
`cotlet_browser_find`Finds `text` on the whole current page, frames included: the elements whose label holds it, with their numbers, and each line of text that holds it. Use it instead of reading or scrolling a long page for one thing.	Finds `text` on the whole current page, frames included: the elements whose label holds it, with their numbers, and each line of text that holds it. Use it instead of reading or scrolling a long page for one thing.	No	Yes	Yes	Yes
`cotlet_browser_hover`Rests the pointer on an element or a point, to open a hover menu, a tooltip or a preview. Answers the page after it: the elements and text in view, with the same numbers.	Rests the pointer on an element or a point, to open a hover menu, a tooltip or a preview. Answers the page after it: the elements and text in view, with the same numbers.	No	Yes	Yes	Yes
`cotlet_browser_navigate`Opens `url` in the current tab, or goes `history` back or forward. Answers the page after it: the elements and text in view, with the same numbers.	Opens `url` in the current tab, or goes `history` back or forward. Answers the page after it: the elements and text in view, with the same numbers.	No	Yes	No	Yes
`cotlet_browser_open`Starts the user's Cloud Browser (a real Chrome on Cotlet, where the user is signed in to their sites) and opens `url`. Call it first. The URL goes to the site's open tab, else to a new tab, so the user's own tabs stay. Answers the page after it: the elements and text in view, with the same numbers.	Starts the user's Cloud Browser (a real Chrome on Cotlet, where the user is signed in to their sites) and opens `url`. Call it first. The URL goes to the site's open tab, else to a new tab, so the user's own tabs stay. Answers the page after it: the elements and text in view, with the same numbers.	No	Yes	No	Yes
`cotlet_browser_press`Presses a key on the focused element: Enter to send, Tab to the next field, Escape to close a pop-up, arrows in a list or slider, or one character (a site's shortcut). Answers the page after it: the elements and text in view, with the same numbers.	Presses a key on the focused element: Enter to send, Tab to the next field, Escape to close a pop-up, arrows in a list or slider, or one character (a site's shortcut). Answers the page after it: the elements and text in view, with the same numbers.	Yes	No	No	Yes
`cotlet_browser_read`The whole current page: its text (up to 20,000 characters) and a numbered list of its links, buttons, fields and other controls, open dialogs first. Use it on a new page or when a step's answer is not enough; `element` reads only inside one element (a dialog, a form, a list). Never returns field values, cookies or storage.	The whole current page: its text (up to 20,000 characters) and a numbered list of its links, buttons, fields and other controls, open dialogs first. Use it on a new page or when a step's answer is not enough; `element` reads only inside one element (a dialog, a form, a list). Never returns field values, cookies or storage.	No	Yes	Yes	Yes
`cotlet_browser_screenshot`A JPEG of the visible part of the page. Use it for boards, canvases, maps, charts and layout that the text does not show, then click or drag by `x`, `y` of the image.	A JPEG of the visible part of the page. Use it for boards, canvases, maps, charts and layout that the text does not show, then click or drag by `x`, `y` of the image.	No	Yes	Yes	Yes
`cotlet_browser_scroll`Scrolls with the mouse wheel: `down` or `up` by `screens`, to `top` or `bottom`, until `element` is in view, or inside a panel or list (`inside`). Content that loads on scroll appears. Answers the page after it: the elements and text in view, with the same numbers.	Scrolls with the mouse wheel: `down` or `up` by `screens`, to `top` or `bottom`, until `element` is in view, or inside a panel or list (`inside`). Content that loads on scroll appears. Answers the page after it: the elements and text in view, with the same numbers.	No	Yes	Yes	Yes
`cotlet_browser_select`Chooses `option` (its label as listed, or its value) in drop-down `element`. For a home-made drop-down, click it, then click the option. Answers the page after it: the elements and text in view, with the same numbers.	Chooses `option` (its label as listed, or its value) in drop-down `element`. For a home-made drop-down, click it, then click the option. Answers the page after it: the elements and text in view, with the same numbers.	Yes	No	No	Yes
`cotlet_browser_tabs`The tabs of the user's web browser, where they keep their signed-in sites open. `list` (default) answers each tab's id, URL and title and which is shown; `switch` with `tab` shows that tab, and every later step acts on it; `new` with `url` opens a tab (at most 8); `close` with `tab` closes it. Work in the tab of the site the task is about and close only the tabs you opened.	The tabs of the user's web browser, where they keep their signed-in sites open. `list` (default) answers each tab's id, URL and title and which is shown; `switch` with `tab` shows that tab, and every later step acts on it; `new` with `url` opens a tab (at most 8); `close` with `tab` closes it. Work in the tab of the site the task is about and close only the tabs you opened.	No	No	No	Yes
`cotlet_browser_type`Types `text` into field `element`, replacing what it held; `submit` presses Enter after it. For several fields use fill_form. Without `element` the text goes where the focus is, as a person types after clicking: for spreadsheet cells and editors that read does not number (Google Sheets, Docs), click the place first; there a tab in `text` presses Tab and a line break Enter, so one call fills a table. Answers the page after it: the elements and text in view, with the same numbers. Password, card and one-time code fields are refused: the user types them.	Types `text` into field `element`, replacing what it held; `submit` presses Enter after it. For several fields use fill_form. Without `element` the text goes where the focus is, as a person types after clicking: for spreadsheet cells and editors that read does not number (Google Sheets, Docs), click the place first; there a tab in `text` presses Tab and a line break Enter, so one call fills a table. Answers the page after it: the elements and text in view, with the same numbers. Password, card and one-time code fields are refused: the user types them.	Yes	No	No	Yes
`cotlet_browser_upload`Puts files into file field or upload button `element`: each file is {"url": "https://..."} or {"file_id": "..."} of a file uploaded to Cotlet; up to 10 files, 20 MB each. Answers the page after it: the elements and text in view, with the same numbers.	Puts files into file field or upload button `element`: each file is {"url": "https://..."} or {"file_id": "..."} of a file uploaded to Cotlet; up to 10 files, 20 MB each. Answers the page after it: the elements and text in view, with the same numbers.	Yes	No	No	Yes
`cotlet_browser_wait`Waits until `text` shows on the page (at most `seconds`, default 5, up to 20), or just `seconds`: for results that load slowly. Says whether the text appeared. Answers the page after it: the elements and text in view, with the same numbers.	Waits until `text` shows on the page (at most `seconds`, default 5, up to 20), or just `seconds`: for results that load slowly. Says whether the text appeared. Answers the page after it: the elements and text in view, with the same numbers.	No	Yes	Yes	Yes
`cotlet_get_call`Status of an earlier Cotlet call, by its call_id: pending (waits for the owner's approval in the Cotlet console), approved, running, success, rejected, expired, blocked or failed. For a call that answered with status pending or running.	Status of an earlier Cotlet call, by its call_id: pending (waits for the owner's approval in the Cotlet console), approved, running, success, rejected, expired, blocked or failed. For a call that answered with status pending or running.	No	Yes	Not declared	No
`cotlet_report_issue`Sends a report to the Cotlet team: a tool that failed or returned wrong data, an error you could not get past, or a step the browser could not do, with the page, the step and what you saw. A missing dedicated tool is not a problem to report: do the task in the browser. A feature the user asks for goes as feature_request. A report promises nothing: tell the user it was sent, never that something will be built or fixed, or when. The report carries the error text and call_id when there is one, never passwords or tokens. Needs the user's Cotlet API key or sign-in.	Sends a report to the Cotlet team: a tool that failed or returned wrong data, an error you could not get past, or a step the browser could not do, with the page, the step and what you saw. A missing dedicated tool is not a problem to report: do the task in the browser. A feature the user asks for goes as feature_request. A report promises nothing: tell the user it was sent, never that something will be built or fixed, or when. The report carries the error text and call_id when there is one, never passwords or tokens. Needs the user's Cotlet API key or sign-in.	No	No	No	No
`cotlet_request_apps`Requests access to apps for the user's workspace, as Request access in the console: every app is granted at once. Not needed to work in an app: the user's AI works in any web app in their Web browser with cotlet_app_guide. An app with dedicated tools gets them after the user signs in to it in their Cloud Browser. Access says nothing about whether a task works there: check that in the browser. Takes app slugs as listed at https://cotlet.dev/api/v1/apps. Free. Needs the user's Cotlet API key or sign-in.	Requests access to apps for the user's workspace, as Request access in the console: every app is granted at once. Not needed to work in an app: the user's AI works in any web app in their Web browser with cotlet_app_guide. An app with dedicated tools gets them after the user signs in to it in their Cloud Browser. Access says nothing about whether a task works there: check that in the browser. Takes app slugs as listed at https://cotlet.dev/api/v1/apps. Free. Needs the user's Cotlet API key or sign-in.	No	No	Not declared	No
`cotlet_upload_file`Returns a one-time upload_url and a file_id for a local file (an image for a post, an attachment). The file is sent to upload_url with an HTTP PUT; an argument that takes a file accepts {"file_id": "..."}. Up to 25 MB, the URL works once. Free. Needs the user's Cotlet API key or sign-in.	Returns a one-time upload_url and a file_id for a local file (an image for a post, an attachment). The file is sent to upload_url with an HTTP PUT; an argument that takes a file accepts {"file_id": "..."}. Up to 25 MB, the URL works once. Free. Needs the user's Cotlet API key or sign-in.	No	No	Not declared	No
`cotlet_whoami`The Cotlet account this connection acts as: email, workspace, access status, the API key or OAuth client in use with its scope, the apps the workspace may call, its credit balance, and the app the user signed up for with its first task and sign-in link. Free. Needs the user's Cotlet API key or sign-in.	The Cotlet account this connection acts as: email, workspace, access status, the API key or OAuth client in use with its scope, the apps the workspace may call, its credit balance, and the app the user signed up for with its first task and sign-in link. Free. Needs the user's Cotlet API key or sign-in.	No	Yes	Not declared	No

Details

Registry status: Active
Published: Oct 24, 2026
Updated: Oct 24, 2026
Website: https://cotlet.dev/⁠ (opens in a new tab)
Repository: https://github.com/cotletdev/cotlet⁠ (opens in a new tab)
Categories (suggested): Browser automationSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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