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Joern MCP Server

@sfncat

リポジトリ

Joern MCP Server について

A simple Joern MCP Server.

基本情報

カテゴリ

その他

ライセンス

MIT

ランタイム

python

トランスポート

stdio

公開者

sfncat

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": {
    "mcp-joern": {
      "command": "uv",
      "args": [
        "venv",
        ".venv"
      ]
    }
  }
}

ツール

ツールは検出されませんでした

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 Joern MCP Server?

An MCP server based on Joern that provides features for code review and security analysis. It is designed for developers using large language models to analyze source code.

How to use Joern MCP Server?

Install dependencies with Python 3.10+ and uv, start the Joern server with the provided command, copy env_example.txt to .env, modify JVM and auth settings, then configure the server in your MCP client (e.g., Cline) using the sample sample_cline_mcp_settings.json. Finally, ask questions to the language model as described in prompts_en.md.

Key features of Joern MCP Server

Code review and security analysis via Joern
MCP‑based integration with LLMs
Scala tools for server interaction
Test clients to verify connectivity
Environment variable configuration support

Use cases of Joern MCP Server

Automated security auditing of codebases
Assisting LLMs in static analysis queries
Integrating Joern’s code property graphs into MCP‑aware tools

FAQ from Joern MCP Server

What is Joern MCP Server?

A simple MCP Server for Joern that helps developers with code review and security analysis.

What are the environment requirements?

Python >= 3.10 (default 3.12), the uv package manager, and a running Joern instance.

How do I install it?

Clone the repository, create a virtual environment with uv venv .venv, activate it, and run uv sync.

How do I configure authentication?

The Joern server must be started with --server-auth-username and --server-auth-password flags; these values are then set in the .env file.

How can I contribute?

Submit Issues and Pull Requests to improve the project or add new tools.

コメント

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