upstash/context7 at 56.7K Stars: MCP Server Delivers Up-to-Date Code Documentation Directly to LLMs and AI Editors

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upstash/context7 has reached 56,722 stars by serving current, version-accurate code documentation to LLMs and AI code editors via an MCP server. It directly addresses the stale-training-data problem that causes agents to hallucinate outdated APIs. For builders using Claude Code or Cursor, it's a practical MCP plug-in to ground code generation in real docs.