Context7 MCP server

Endpoint: https://mcp.context7.com/ · Authentication: No auth

Context7 provides up-to-date, version-specific library documentation and code examples directly from the source.

Test it live Run the release-readiness report

How do I authenticate?

Add the endpoint directly in your client. The catalog records no authentication requirement; no OAuth sign-in or API key is configured in this setup. The live server may change.

Authentication and connection guide

Connection specification

Remote endpoint: https://mcp.context7.com/
Live-validated endpoint: https://mcp.context7.com/mcp
Browser access: Direct browser connection verified
Declared MCP transport: Streamable HTTP
Live-validated MCP transport: Streamable HTTP — Observed by the latest catalog validation
Declared authentication: No authentication
Detected authentication: No authentication detected or retained from publisher evidence
Protocol lifecycle: Stateless MCP · 2026-07-28
Authorization server: https://clerk.context7.com
Authorization server: https://context7.com
Category: Documentation

Product documentation · Official listing documentation

More Documentation MCP servers · Browse all MCP servers · Test this endpoint in the MCP Playground

Authorization setup

No app registration needed

This catalog entry does not require authorization or provider app registration.

Connect it

Browser-verified endpoint: https://mcp.context7.com/mcp · Streamable HTTP. No authentication is required by the catalog listing.

Agent prompt for Claude Code or Codex

Add the Context7 MCP server to my MCP client configuration and verify that it works.

What it is: Context7 provides up-to-date, version-specific library documentation and code examples directly from the source.
Server URL: https://mcp.context7.com/mcp
Transport: Streamable HTTP (remote MCP server, no local install).
Authentication: none. The server accepts connections without credentials.
Tools (2, as last observed by mcptest): query-docs, resolve-library-id.
Reference: https://mcptest.io/servers/context7/

Steps:
1. Work out which MCP client I use (Claude Code, Codex, Cursor, VS Code or another) and add the server under the name "context7" in that client's MCP configuration, user scope unless I ask otherwise.
   Claude Code: claude mcp add --transport http --scope user 'context7' 'https://mcp.context7.com/mcp'
   Codex: codex mcp add 'context7' --url 'https://mcp.context7.com/mcp'
   Other clients: use the setup for that client on the reference page.
2. Never write a credential value into a file that could be committed; reference an environment variable or the client's secret store, and ask me for any value you need.
3. Verify: connect to the server and call tools/list. Confirm the tools above are listed, and report any sign-in step I still have to complete.

Claude Code setup

Run in a terminal. This user-scoped entry is available across projects.

claude mcp add --transport http --scope user 'context7' 'https://mcp.context7.com/mcp'

Codex CLI setup

Run in a terminal; Codex stores the entry in ~/.codex/config.toml.

codex mcp add 'context7' --url 'https://mcp.context7.com/mcp'

Cursor setup

Add to .cursor/mcp.json for this project, or ~/.cursor/mcp.json for all projects.

{
  "mcpServers": {
    "context7": {
      "url": "https://mcp.context7.com/mcp"
    }
  }
}

VS Code setup

Add to .vscode/mcp.json, or run “MCP: Open User Configuration” for a private user-level entry.

{
  "servers": {
    "context7": {
      "type": "http",
      "url": "https://mcp.context7.com/mcp"
    }
  }
}

Claude setup

Add the endpoint above in Claude:

Customize > Connectors > Add custom connector
Team/Enterprise: Organization settings > Connectors > Add > Custom > Web

Claude Desktop setup

Add the endpoint above in Claude Desktop:

Remote: Customize > Connectors (same as claude.ai)
Local: Settings > Developer > Edit Config, or Settings > Extensions for .mcpb files
~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows), local servers only

ChatGPT setup

Add the endpoint above in ChatGPT:

ChatGPT web: Plugins > Add custom MCP server, then configure authentication and accept the risk warning

Windsurf setup

Add the endpoint above in Windsurf:

~/.config/devin/mcp_config.json (%APPDATA%\devin\mcp_config.json on Windows), serverUrl or url
Cascade panel > ... > MCPs > Open MCP config file

Gemini CLI setup

Add the endpoint above in Gemini CLI:

gemini mcp add --transport http <name> <url>
~/.gemini/settings.json (user) or .gemini/settings.json (project), mcpServers

MCP SDK setup

Add the endpoint above in MCP SDK:

Programmatic: new Client(...).connect(new StreamableHTTPClientTransport(url))

Client compatibility

Client	Status	Why
Claude Code	Supported	Claude Code supports Streamable HTTP servers and servers without authentication.
Codex	Partial	Codex's documentation does not state support for servers without authentication.
Cursor	Supported	Cursor supports Streamable HTTP servers and servers without authentication.
VS Code	Supported	VS Code supports Streamable HTTP servers and servers without authentication.
Claude	Supported	Claude supports Streamable HTTP servers and servers without authentication.
Claude Desktop	Supported	Claude Desktop supports Streamable HTTP servers and servers without authentication.
ChatGPT	Supported	ChatGPT supports Streamable HTTP servers and servers without authentication.
Windsurf	Partial	Windsurf's documentation does not state support for servers without authentication.
Gemini CLI	Supported	Gemini CLI supports Streamable HTTP servers and servers without authentication.
MCP SDK	Supported	MCP SDK supports Streamable HTTP servers and servers without authentication.

Computed from this server's validated transport, protocol and authentication against documented client support. Checks the catalog has not observed are not counted.

Similar servers

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Cloudflare Docs — Searches Cloudflare's developer documentation for reference material on Workers, R2, D1, DNS, Zero Trust, and other Cloudflare products. No authentication is required. No authentication
AWS Knowledge — Searches and reads AWS documentation, API references, What's New posts, and regional service availability. No authentication is required. No authentication
Microsoft Learn — Searches and fetches Microsoft Learn documentation and official code samples for Azure, .NET, Microsoft 365, and other Microsoft products. No authentication is required. No authentication
Google Developer Knowledge — Searches, retrieves, and answers questions from Google developer documentation for Firebase, Google Cloud, Android, Maps, and other Google platforms. Requires a Google Cloud API key with the Developer Knowledge API enabled, sent in the X-Goog-Api-Key header. API key

Guides for this server

Watch this server for breaking changes

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   :alt: Tested on mcptest.io
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Latest validation evidence

Validation status: Online when last tested
Validation checked at: Oct 26, 2026 at 2:07 PM
Validation detail: Negotiated stateless MCP 2026-07-28 at https://mcp.context7.com/mcp; detected transport streamable-http; authentication none

Tool inventory

What the catalog validator observed on Oct 26, 2026 at https://mcp.context7.com/mcp without credentials. The live server may have changed since; connect in the Playground for the current list.

Tools provided by Context7 2

Some details were sanitized for public display.

query-docsNo outputSchema
Retrieves and queries up-to-date documentation and code examples from Context7 for any programming library or framework. You must call 'Resolve Context7 Library ID' tool first to obtain the exact Context7-compatible library ID required to use this tool, UNLESS the user explicitly provides a library ID in the format '/org/project' or '/org/project/version' in their query. Do not call this tool more than 3 times per question. If you know the programming language the user is working in, pass it as `language` so the results match their setup.
Input language?: string, libraryId: string, query: string
- language?: stringoptional
  Programming language the user is writing code in, such as 'Python', 'TypeScript', 'Go', or 'C#'. Ranks code examples in that language first. Leave it out when the language is unknown or does not apply.
- libraryId: stringrequired
  Exact Context7-compatible library ID (e.g., '/mongodb/docs', '/vercel/next.js', '/supabase/supabase', '/vercel/next.js/v16.2.9') retrieved from 'resolve-library-id' or directly from user query in the format '/org/project' or '/org/project/version'.
- query: stringrequired
  What to look up in the library's documentation, scoped to a single concept. Be specific and include relevant details, but keep each query to one topic — if the user's question spans multiple distinct concepts, make a separate call per concept instead of combining them, unless the question is about how the concepts interact. Good: 'How to set up authentication with JWT in Express.js' or 'React useEffect cleanup function examples'. Bad (too vague): 'auth' or 'hooks'. Bad (too broad): 'routing and auth and caching in Next.js'. The query is sent to the Context7 API for processing. Do not include a
resolve-library-idNo outputSchema
Resolves a package/product name to a Context7-compatible library ID and returns matching libraries. You MUST call this function before 'Query Documentation' tool to obtain a valid Context7-compatible library ID UNLESS the user explicitly provides a library ID in the format '/org/project' or '/org/project/version' in their query. Each result includes: - Library ID: Context7-compatible identifier (format: /org/project) - Name: Library or package name - Description: Short summary - Code Snippets: Number of available code examples - Source Reputation: Authority indicator (High, Medium, Low, or Unk
Input libraryName: string, query: string
- libraryName: stringrequired
  Library name to search for and retrieve a Context7-compatible library ID. Use the official library name with proper punctuation — e.g., 'Next.js' instead of 'nextjs', 'Customer.io' instead of 'customerio', 'Three.js' instead of 'threejs'.
- query: stringrequired
  What to look up in the library's documentation. This is used to rank library results by relevance to what the user is trying to accomplish. The query is sent to the Context7 API for processing. Do not include any sensitive or confidential information such as API keys, passwords, credentials, personal data, or proprietary code in your query.