App-Kit

io.github.app-kit-dev/mcpVersion 0.1.3

SEO audit (400 checks), text readability and grammar check, PDF to images, image conversion.

Status

Responds229 msNov 14, 2026, 14:45 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:45 UTC
Latency: 229 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
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://mcp.app-kit.dev/mcpResponds229 msNov 14, 2026, 14:45 UTC

No sign-in

Claude Code

claude mcp add --transport http app-kit-dev https://mcp.app-kit.dev/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: app-kit-dev
Remote MCP server URL: https://mcp.app-kit.dev/mcp

Cursor

{
  "mcpServers": {
    "app-kit-dev": {
      "url": "https://mcp.app-kit.dev/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"app-kit-dev","type":"http","url":"https://mcp.app-kit.dev/mcp"}'

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Tools

10 tools

Tools of App-Kit
	Description		Read-only	Idempotent	Open world
`conversion_status`Status and result of a conversion by the handle from pdf_to_images / images_to_pdf / image_convert. Does not consume quota. While status=running, call again after poll_after_s seconds. A handle is valid for 1 hour and only for the caller who started the conversion.	Status and result of a conversion by the handle from pdf_to_images / images_to_pdf / image_convert. Does not consume quota. While status=running, call again after poll_after_s seconds. A handle is valid for 1 hour and only for the caller who started the conversion.	No	Yes	Yes	No
`create_upload`Create a one-time upload link for a local file (for clients with local file access, e.g. Claude Code, Cursor). Returns upload_id, put_url and a curl command: upload the file with a single PUT (up to 20 MB, within 10 min), then pass upload_id to a file tool. One upload_id serves one call. For a file at a public URL, pass source_url directly instead. Rate-limited per day; call quota_status for remaining calls.	Create a one-time upload link for a local file (for clients with local file access, e.g. Claude Code, Cursor). Returns upload_id, put_url and a curl command: upload the file with a single PUT (up to 20 MB, within 10 min), then pass upload_id to a file tool. One upload_id serves one call. For a file at a public URL, pass source_url directly instead. Rate-limited per day; call quota_status for remaining calls.	No	No	No	No
`image_compress`Compress an existing image to WebP or AVIF: quality 1-100, width/height (downscale), preset (photo/picture/drawing/icon/text), lossless. Returns a result link (valid up to 5 min), original and new size, compression ratio. File up to 20 MB. Input: exactly one of source_url (public URL, the server downloads it), upload_id (create_upload, then PUT) or data_base64 (up to 512 KB). Rate-limited per day; call quota_status for remaining calls.	Compress an existing image to WebP or AVIF: quality 1-100, width/height (downscale), preset (photo/picture/drawing/icon/text), lossless. Returns a result link (valid up to 5 min), original and new size, compression ratio. File up to 20 MB. Input: exactly one of source_url (public URL, the server downloads it), upload_id (create_upload, then PUT) or data_base64 (up to 512 KB). Rate-limited per day; call quota_status for remaining calls.	No	Yes	No	Yes
`image_convert`Convert an existing image to another format: target_format png/jpeg/webp/bmp/tiff/gif, quality 1-100, max_dim (downscale the long side). File up to 20 MB. For avif and maximum compression use image_compress. Input: exactly one of source_url (public URL, the server downloads it), upload_id (create_upload, then PUT) or data_base64 (up to 512 KB). Output: download links (resource_link, valid for 10 min; deleted once all files of the job are downloaded) and a preview of the first image. If not done within 60 s, returns status=running and a handle: call conversion_status(handle). Rate-limited per day; call quota_status for remaining calls.	Convert an existing image to another format: target_format png/jpeg/webp/bmp/tiff/gif, quality 1-100, max_dim (downscale the long side). File up to 20 MB. For avif and maximum compression use image_compress. Input: exactly one of source_url (public URL, the server downloads it), upload_id (create_upload, then PUT) or data_base64 (up to 512 KB). Output: download links (resource_link, valid for 10 min; deleted once all files of the job are downloaded) and a preview of the first image. If not done within 60 s, returns status=running and a handle: call conversion_status(handle). Rate-limited per day; call quota_status for remaining calls.	No	Yes	No	Yes
`images_to_pdf`Combine existing images into one PDF (one image per page), page_size A4/Letter or the image size. Input: source_urls[] or upload_ids[], up to 20 files, each up to 20 MB. Output: download links (resource_link, valid for 10 min; deleted once all files of the job are downloaded) and a preview of the first image. If not done within 60 s, returns status=running and a handle: call conversion_status(handle). Rate-limited per day; call quota_status for remaining calls.	Combine existing images into one PDF (one image per page), page_size A4/Letter or the image size. Input: source_urls[] or upload_ids[], up to 20 files, each up to 20 MB. Output: download links (resource_link, valid for 10 min; deleted once all files of the job are downloaded) and a preview of the first image. If not done within 60 s, returns status=running and a handle: call conversion_status(handle). Rate-limited per day; call quota_status for remaining calls.	No	Yes	No	Yes
`pdf_to_images`Convert an existing PDF to images (one file per page): format png/jpeg/webp, dpi 72-300, first_page/last_page. PDF up to 20 MB and up to 20 pages. Input: exactly one of source_url (public URL, the server downloads it), upload_id (create_upload, then PUT) or data_base64 (up to 512 KB). Output: download links (resource_link, valid for 10 min; deleted once all files of the job are downloaded) and a preview of the first image. If not done within 60 s, returns status=running and a handle: call conversion_status(handle). Rate-limited per day; call quota_status for remaining calls.	Convert an existing PDF to images (one file per page): format png/jpeg/webp, dpi 72-300, first_page/last_page. PDF up to 20 MB and up to 20 pages. Input: exactly one of source_url (public URL, the server downloads it), upload_id (create_upload, then PUT) or data_base64 (up to 512 KB). Output: download links (resource_link, valid for 10 min; deleted once all files of the job are downloaded) and a preview of the first image. If not done within 60 s, returns status=running and a handle: call conversion_status(handle). Rate-limited per day; call quota_status for remaining calls.	No	Yes	No	Yes
`quota_status`Show the current access tier and the remaining calls for each tool. Tiers: L0 anonymous (shared per platform for Claude and ChatGPT), L1 personal token, L2 App-Kit account (OAuth). Does not consume quota.	Show the current access tier and the remaining calls for each tool. Tiers: L0 anonymous (shared per platform for Claude and ChatGPT), L1 personal token, L2 App-Kit account (OAuth). Does not consume quota.	No	Yes	Yes	No
`seo_audit_fast`Quick SEO audit of a public website (up to 10 pages): score 0-100 by check group, failed checks, top 5 losses. The site root is audited: URL path and query are dropped (https://example.com/page?x=1 -> https://example.com/). Waits up to 60 s for the result, sending progress. If not done by then, returns status=running and a handle: call seo_audit_status(handle) every poll_after_s seconds while status=running. Rate-limited per day; call quota_status for remaining calls. One domain: up to 5 audits per day.	Quick SEO audit of a public website (up to 10 pages): score 0-100 by check group, failed checks, top 5 losses. The site root is audited: URL path and query are dropped (https://example.com/page?x=1 -> https://example.com/). Waits up to 60 s for the result, sending progress. If not done by then, returns status=running and a handle: call seo_audit_status(handle) every poll_after_s seconds while status=running. Rate-limited per day; call quota_status for remaining calls. One domain: up to 5 audits per day.	No	Yes	No	Yes
`seo_audit_status`Status and result of an SEO audit by the handle from seo_audit_fast. Does not consume quota. While status=running, call again after poll_after_s seconds. A handle is valid for 60 min and only for the caller who started the audit.	Status and result of an SEO audit by the handle from seo_audit_fast. Does not consume quota. While status=running, call again after poll_after_s seconds. A handle is valid for 60 min and only for the caller who started the audit.	No	Yes	Yes	Yes
`text_check`Check a text: metrics (filler words, spam, keyword stuffing), readability, stop phrases, grammar. Input: text up to 20000 characters, lang (language of the text) ru or en. Returns passed (blocking thresholds), metrics by layer, verdicts (blocking=false means a recommendation), top_issues (up to 5 main issues) and locations: issue positions (offset/length) in the submitted text. The text is not stored. Rate-limited per day; call quota_status for remaining calls.	Check a text: metrics (filler words, spam, keyword stuffing), readability, stop phrases, grammar. Input: text up to 20000 characters, lang (language of the text) ru or en. Returns passed (blocking thresholds), metrics by layer, verdicts (blocking=false means a recommendation), top_issues (up to 5 main issues) and locations: issue positions (offset/length) in the submitted text. The text is not stored. Rate-limited per day; call quota_status for remaining calls.	No	Yes	No	No

Details

Registry status: Active
Published: Oct 5, 2026
Updated: Oct 5, 2026
Website: https://app-kit.dev/mcp⁠ (opens in a new tab)
Repository: https://github.com/app-kit-dev/mcp⁠ (opens in a new tab)
Categories (suggested): Documents Marketing and SEO Files and storageSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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