Knowledge Rag

@lyonzin · github.com/lyonzin/knowledge-rag

Local RAG system for Claude Code with hybrid search (BM25 + semantic), cross-encoder reranking, markdown-aware chunking, query expansion, and 12 MCP tools.

ClaimedWeb & APIsstdioToolslocal auth

GitHub

Install one command

terminal

$ pip install knowledge-rag → restart Claude Code → search_knowledge("your query")

Or add it with the Claude CLI: claude mcp add lyonzin-knowledge-rag

Tools exposed 5 tools

hybrid_alpha

mcpServers

hybrid

semantic

keyword

Configuration generate & copy

YOUR_USER

KNOWLEDGE_RAG_WATCHER_DISABLED

KNOWLEDGE_RAG_SINGLE_INSTANCE

EX_TEMPFAIL

BASE_DIR

KNOWLEDGE_RAG_DIR

Values are filled in locally in your browser — nothing is sent anywhere.

claude_desktop_config.json

{
  "mcpServers": {
    "lyonzin-knowledge-rag": {
      "command": "pip",
      "args": ["install", "knowledge-rag", "→", "restart", "Claude", "Code", "→", "search_knowledge("your", "query")"],
      "env": {
        "YOUR_USER": "<your-your-user>",
        "KNOWLEDGE_RAG_WATCHER_DISABLED": "<your-knowledge-rag-watcher-disabled>",
        "KNOWLEDGE_RAG_SINGLE_INSTANCE": "<your-knowledge-rag-single-instance>",
        "EX_TEMPFAIL": "<your-ex-tempfail>",
        "BASE_DIR": "<your-base-dir>",
        "KNOWLEDGE_RAG_DIR": "<your-knowledge-rag-dir>"
      }
    }
  }
}

Paste the Claude Desktop snippet under mcpServers in your config, then restart Claude Desktop — or run the Claude Code command in your terminal.

Knowledge Rag

Install one command

Tools exposed 5 tools

Configuration generate & copy

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