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MCP Network Sentinel

@takeaship

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基本情報

カテゴリ

開発者ツール

トランスポート

stdio

作者

takeaship

MCP Network Sentinel について

A network monitoring tool for MCP servers that logs all network activities to help identify potential security issues.

#network-monitoring#security#mcp-servers

MCP Network Sentinel 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": {
    "mcp-network-sentinel": {
      "command": "npx",
      "args": [
        "@takeaship/mcp-network-sentinel",
        "your-mcp-server-package arg1 arg2",
        "--output=network-logs.json"
      ]
    }
  }
}

MCP Network Sentinel 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。

上のボタンで一時的なサンドボックスでこのサーバーを実行し、ツール一覧を取得できます。

概要

What is MCP Network Sentinel?

MCP Network Sentinel is a network monitoring tool for MCP servers that logs all network activities to help identify potential security issues. It integrates with Node.js network modules (net, tls, http, https, dns) to intercept outgoing connections and is intended for users who want to check if a third-party MCP server is transmitting data or access keys to external sources.

How to use MCP Network Sentinel?

Install the package globally with npm install -g @takeaship/mcp-network-sentinel, then run it by wrapping your MCP server command in the sentinel: npx @takeaship/mcp-network-sentinel "your-mcp-server-package arg1 arg2" --output=network-logs.json. The --output (or -o) flag is optional and saves logs to a specified JSON file.

Key features of MCP Network Sentinel

  • Monitors all network activity from MCP servers
  • Logs connection attempts, HTTP/HTTPS requests, and DNS lookups
  • Writes logs to console and optionally to a JSON file
  • Runs your MCP server within a monitored environment
  • Uses Node.js module interception transparently

Use cases of MCP Network Sentinel

  • Auditing a third-party MCP server for suspicious outbound connections
  • Verifying that a custom MCP server does not leak confidential data
  • Testing if an MCP server connects to unknown or unauthorized hosts
  • Compliance monitoring for data access in MCP-based workflows

よくある質問

1

What kind of network activity does MCP Network Sentinel monitor?

It monitors all outgoing network activity from MCP servers, including connection attempts, HTTP/HTTPS requests, and DNS lookups.

2

Does MCP Network Sentinel modify the behavior of my MCP server?

No, it only intercepts calls to network modules (net, tls, http, https, dns) and logs the details, running the server transparently in a monitored environment.

3

What are the runtime requirements?

MCP Network Sentinel requires Node.js. It is installed as a global npm package (`@takeaship/mcp-network-sentinel`).

4

Can I save the logs to a file for later analysis?

Yes, use the `-o` or `--output` option to specify a JSON file path for the logs.

5

How does MCP Network Sentinel work under the hood?

It uses Node.js module interception to hook into network-related modules and log all outgoing connections, then runs the MCP server command inside that monitored context.

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