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Context7

An MCP server that feeds your agent current, version-specific library docs.

Staff pickUsed by meOpen source
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Preview of Context7

What it is

Context7 is an MCP server (and website) that pulls up-to-date documentation and code examples for thousands of libraries directly into your coding agent's context. Instead of relying on stale training data, the agent fetches the real docs for the version you use. Free tier; open source.

Why it’s here

The single best fix for "my agent wrote code for an old version of this library". Especially useful with fast-moving UI libraries like Motion, shadcn/ui and Tailwind v4.

Best for

  • accurate library docs in your agent
  • fast-moving libraries
  • any agent workflow

Can my agent use this?

Agent excellent agent friendliness

Yes, this exists for agents. Add the MCP server to Claude Code, Cursor or Codex following the README, then say "use context7" when you want fresh docs.

Excellent: Public docs, public source or an installable package. An agent can read, install and implement this directly.

Access methods

  • MCP
  • Docs
  • GitHub
  • API

Install

claude mcp add context7 -- npx -y @upstash/context7-mcp

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