zilliztech/claude-context: Hybrid Semantic Code-Search MCP Cuts Retrieval Tokens ~40%

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claude-context (11.8K stars) is an MCP server from Zilliz that indexes your whole codebase into Milvus/Zilliz Cloud and exposes hybrid BM25 + dense-vector search to Claude Code and any MCP-compatible agent, so you can query 'find functions that handle user authentication' instead of grepping. Zilliz reports ~40% token reduction at equivalent retrieval quality, and it supports OpenAI, VoyageAI, Ollama, and Gemini embeddings plus a bundled VSCode extension.