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Leankg MCP Server

@FreePeak

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基本情報

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その他

トランスポート

stdio

作者

FreePeak

投稿者

Linh N. Doan

Leankg MCP Server について

A local, Rust-based Knowledge Graph MCP server. Cuts AI coding token usage by up to 98% by intelligently querying your codebase instead of sending full files.

Leankg MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "leankg": {
      "command": "leankg",
      "args": [
        "start",
        "--mcp"
      ]
    }
  }
}

Leankg MCP Server のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is LeanKG?

LeanKG is a local Knowledge Graph powered by Rust and Tree-sitter that indexes your codebase and uses the Model Context Protocol (MCP) to feed your AI assistant only the exact structural context it needs. It is built for developers who want to drastically reduce token usage (up to 98% drop) and avoid sending entire files or repositories to cloud-based AI tools.

How to use LeanKG?

Visit the LeanKG GitHub repository for full installation instructions, benchmarks, and supported languages. After installation, the MCP server exposes tools that your AI assistant can invoke — no additional configuration steps beyond connecting it to an MCP-compatible host (e.g., Claude Desktop, Cursor, Windsurf, OpenCode).

Key features of LeanKG

  • Reduces token usage by up to 98% (from ~10,000+ to ~40 tokens per query).
  • 100% local execution — runs securely on your machine with Rust and CozoDB.
  • Deep code understanding via Graph RAG, including call graphs and circular dependencies.
  • Universal MCP support for any MCP-compatible AI host.
  • Provides tools like analyze_dependencies and extract_signatures.

Use cases of LeanKG

  • Slash API costs when interacting with large codebases in Claude or Cursor.
  • Quickly understand call graphs and dependencies without reading entire files.
  • Extract precise function signatures and types for documentation or refactoring.
  • Avoid leaking proprietary code by keeping indexing entirely local.

よくある質問

1

How does LeanKG reduce token usage?

It uses Graph RAG to extract precise function signatures, dependencies, and variables instead of sending entire files or repositories.

2

Is my code ever uploaded to an external server?

No. LeanKG runs entirely on your local machine; your repository is never blindly uploaded.

3

Which AI tools are compatible with LeanKG?

LeanKG supports any MCP-compatible host, including Claude Desktop, Cursor, Windsurf, and OpenCode.

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