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Context7
by Upstash
MCP server that feeds up-to-date library docs to coding agents.
Freemium★ 63.3k GitHub stars
What people use it for
🔌 MCP servers
Stops agents from hallucinating outdated APIs by pulling current docs.
⌨️ Write code / vibe coding
Add it to Cursor/Claude Code so generated code matches current library versions.
Pricing
Free MCP server; paid tiers for higher limits.
Prices change often. Always confirm on the official site.
Recent updates
- Oct 19, 2026 · Context7 4.4.4 released