Context7
Context7 is an MCP server that gives AI coding agents up-to-date library documentation for developers.
What it is good for
- Getting current code examples for a library instead of outdated ones
- Stopping AI tools from inventing APIs that do not exist
- Writing code against a specific library version
At a glance
- Who it is for
- Setup
- Guided command-line setup
Level 4 of 5. You copy and paste commands into a terminal by following the instructions. Comfortable territory for vibe coders.
- Cost
- Free and open source
- Type
- MCP server or connector
- Tasks
- Works with
- Claude, ChatGPT, Cursor, Claude Code, VS Code, OpenCode
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 64,064
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is Context7 free?
- Yes. It is free and open source (MIT license).
- Do I need to know how to code to use Context7?
- You do not need to write code, but setup means copying and pasting commands into a terminal by following its instructions.
- What does Context7 work with?
- According to its own documentation, it works with Claude, ChatGPT, Cursor, Claude Code, VS Code, and OpenCode.
- What is Context7 good for?
- Getting current code examples for a library instead of outdated ones, stopping AI tools from inventing APIs that do not exist, and writing code against a specific library version.
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