What is Context7 — Live Library Docs for LLMs, 51K Stars?

MCP server fetching up-to-date, version-specific library documentation into LLM context. Eliminates hallucinated APIs across 30+ AI coding tools.

Is Context7 — Live Library Docs for LLMs, 51K Stars free to use?

Yes. Context7 — Live Library Docs for LLMs, 51K Stars is freely available on TokRepo. Check the Source & Thanks section on the asset page for the specific open-source license.

How do I install Context7 — Live Library Docs for LLMs, 51K Stars?

Visit the asset page on TokRepo and click "Copy for agent" to get the installation instructions. Most assets can be installed with a single command.

Context7 — Live Library Docs for LLMs, 51K Stars

Context7 — Real-Time Docs for AI

The Problem

LLMs frequently hallucinate API methods or reference outdated library versions. This leads to broken code and debugging time wasted on non-existent functions.

The Solution

Context7 fetches current documentation from the actual library source and injects it into your AI's context window, ensuring every code suggestion uses real, up-to-date APIs.

Two Operation Modes

CLI + Skills — Use ctx7 commands directly
MCP Server — Native integration into your coding agent

MCP Tools

Tool	Description
`resolve-library-id`	Match library names to Context7 identifiers
`query-docs`	Fetch relevant documentation using a library ID

CLI Commands

# Find a library
ctx7 library nextjs "app router"

# Get specific docs
ctx7 docs nextjs-14 "server components"

Key Benefits

Version-specific: Request docs for Next.js 14, React 19, etc.
Real-time: Always fetches current documentation
Token-efficient: Only retrieves relevant sections, not entire docs
30+ integrations: Works with practically any AI coding tool

FAQ

Q: What is Context7? A: Context7 is an MCP server that injects up-to-date, version-specific library documentation into AI coding tools, preventing hallucinated API suggestions.

Q: Is Context7 free? A: Yes, Context7 is open source under the MIT license.

Q: How do I add Context7 to Claude Code? A: Run npx ctx7 setup or add {"url": "https://mcp.context7.com/mcp"} to your .mcp.json under mcpServers.