Context7 MCP

Latest code documentation MCP server for LLMs and AI code editors

Context7 is an MCP server that retrieves up-to-date, version-specific documentation and code examples directly from source libraries and integrates them into prompts, avoiding outdated information and hallucinated APIs.

Author: upstash

Stars: 52,444

GitHub

Install: npx -y @upstash/context7-mcp

Key Features

• Auto-fetch latest library documentation
• Version-specific code examples
• Direct prompt context integration
• Avoid outdated info and hallucinated APIs
• Support for multiple libraries

Use Cases

• Learning new libraries — Auto-fetch latest API docs and examples to support accurate code generation for new libraries.
• Version upgrade handling — Retrieve code examples for new library versions to prevent compatibility issues.
• Improve AI-generated code quality — Integrate official documentation into prompts to reduce LLM hallucinations.
• Multi-project efficiency — Apply latest library info across projects with a single command.