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Context7

An MCP server that fetches current, version-specific documentation and code examples for thousands of libraries — ending hallucinated APIs from stale training data.

How to Install MCPs

  1. Visit the MCP repository using the link below
  2. Follow the installation instructions (usually npm install or similar)
  3. Add the MCP configuration to your claude_desktop_config.json
  4. Restart Claude Desktop to load the MCP server
Context7 solves one of the most common failure modes in AI coding: the model confidently using an API that changed two versions ago. Add "use context7" to a prompt (or let Claude call it automatically) and it pulls current, version-specific documentation and real code examples straight into context.

It covers thousands of popular libraries and frameworks and is one of the most-installed MCP servers in the ecosystem.

**Install (Claude Code):** `claude mcp add context7 npx @upstash/context7-mcp`
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