FastMCP docs MCP: what works in Claude, ChatGPT, Cursor, and Grok Bot
Search and read the FastMCP framework documentation.
Registry name: (v) | GitHub 28109 stars
Set it up
URL https://gofastmcp.com/mcp. No sign-in. Paste the URL and it connects. Copy-paste setup: Claude | Claude Code | Cursor | VS Code | ChatGPT
Status grid
| App | Status | Date tested |
|---|---|---|
| Claude | Untested | Not yet tested |
| ChatGPT | Untested | Not yet tested |
| Cursor | Untested | Not yet tested |
| Grok Bot | Untested | Not yet tested |
| MCP Inspector (reference client) | Untested | Not yet tested |
| MCP TypeScript SDK (reference client) | Partial | Sat Oct 17 2026 |
Hands-on test results
| App | Task | Result | Time | Detail | Date tested |
|---|---|---|---|---|---|
| MCP TypeScript SDK (reference client) | connect (no auth) | Works | 620 ms | Connected without sign-in in 620 ms. | Oct 17, 2026, 12:34 PM CT |
| MCP TypeScript SDK (reference client) | list tools | Works | 320 ms | 3 tools: search_fast_mcp, query_docs_filesystem_fast_mcp, submit_feedback. | Oct 17, 2026, 12:34 PM CT |
| MCP TypeScript SDK (reference client) | search_fast_mcp ("model context protocol") | Works | 818 ms | search_fast_mcp: about 8 KB returned. "Title: FastMCP: The Framework for MCP Link: https://gofastmcp.com/getting-started/welcome Page: getting-started/welcome Content: <video aria" | Oct 17, 2026, 12:34 PM CT |
| MCP TypeScript SDK (reference client) | query_docs_filesystem_fast_mcp | Works | 200 ms | query_docs_filesystem_fast_mcp: 157 characters returned. "exit: 0 --- stdout --- apps changelog.mdx cli clients deployment development getting-started integrations more patterns python-sdk servers u" | Oct 17, 2026, 12:34 PM CT |
| MCP TypeScript SDK (reference client) | search with nonsense query | Partial | 402 ms | search_fast_mcp: about 21 KB returned. "Title: ChatMCP Link: https://gofastmcp.com/deployment/prefect-horizon#chatmcp Page: deployment/prefect-horizon Content: ### ChatMCP For quic" | Oct 17, 2026, 12:34 PM CT |
| MCP TypeScript SDK (reference client) | error handling (missing required input) | Works | 141 ms | search_fast_mcp: tool error, 83 characters returned. "Input validation error: Invalid arguments for tool search_fast_mcp: query: Required" | Oct 17, 2026, 12:34 PM CT |
Oct 17, 2026, 12:34 PM CT, MCP TypeScript SDK (reference client): Scripted client using the official MCP TypeScript SDK against https://gofastmcp.com/mcp (Streamable HTTP, protocol 2025-11-25). No sign-in needed. Server FastMCP v1.0.0. Read-only tasks only, chosen from the server's own tool list. 5 of 6 tasks passed.
Automated handshake
No public remote endpoint to check (local or package-only server).
Gotchas
- MCP TypeScript SDK (reference client): A nonsense query returned about 21 KB of results instead of an empty result, so an agent cannot tell "nothing found" from a weak match.
FAQ
Does the FastMCP docs MCP server work?
In our hands-on test on Oct 17, 2026, 5 of 6 tasks passed. Main gotcha: A nonsense query returned about 21 KB of results instead of an empty result, so an agent cannot tell "nothing found" from a weak match.
What is the FastMCP docs MCP server URL?
https://gofastmcp.com/mcp (Streamable HTTP).
Does the FastMCP docs MCP server need sign-in?
No sign-in. Paste the URL and it connects.
How do I add the FastMCP docs MCP server to Claude, Cursor, VS Code or ChatGPT?
Follow our copy-paste setup guides: https://connectorreport.com/c/fastmcp-docs/setup/claude https://connectorreport.com/c/fastmcp-docs/setup/claude-code https://connectorreport.com/c/fastmcp-docs/setup/cursor https://connectorreport.com/c/fastmcp-docs/setup/vscode https://connectorreport.com/c/fastmcp-docs/setup/chatgpt
Compare with other tested connectors | Connector Weather
Request a hands-on test of FastMCP docs
Get the badge
Maintain FastMCP docs or write about it? Show its live ConnectorReport status in your README or docs.
Markdown (README, docs)
[](https://connectorreport.com/c/fastmcp-docs?utm_source=badge&utm_medium=embed&utm_campaign=fastmcp-docs)
HTML
<a href="https://connectorreport.com/c/fastmcp-docs?utm_source=badge&utm_medium=embed&utm_campaign=fastmcp-docs"><img src="https://connectorreport.com/badge/fastmcp-docs.svg" alt="FastMCP docs MCP status on ConnectorReport"/></a>
The badge updates on its own after every retest. How badges work