Zeek-MCP

- Python 3.7+
- Zeekinstalled and available in yourPATH(for theexeczeektool)
- pip(for installing Python dependencies)

git clone https://github.com/Gabbo01/Zeek-MCP cd Zeek-MCP

It's recommended to use a virtual environment:

python -m venv venv source venv/bin/activate # Linux/macOS venv\Scripts\activate # Windows pip install -r requirements.txt

Note:If you don’t have arequirements.txt, install directly:

The repository exposes two main MCP tools and a command-line entry point:

python Bridge_Zeek_MCP.py --mcp-host 127.0.0.1 --mcp-port 8081 --transport sse

- --mcp-host: Host for the MCP server (default:127.0.0.1).
- --mcp-port: Port for the MCP server (default:8081).
- --transport: Transport protocol, eithersse(Server-Sent Events) orstdio.

You need to use an LLM that can support the MCP tools usage by calling the following tools:

- Description:Runs Zeek on the given PCAP file after deleting existing.logfiles in the working directory.
- Returns:A string listing generated.logfilenames or"1"on error.

- Description:Parses a single Zeek.logfile and returns the parsed content.

You can interact with these endpoints via HTTP (if using SSE transport) or by embedding in LLM client (eg: Claude Desktop):

To set up Claude Desktop as a Zeek MCP client, go toClaude->Settings->Developer->Edit Config->claude_desktop_config.jsonand add the following:

An example of MCP tools usage from a chainlit chatbot client, it was used an example pcap file (you can find fews in pcaps folder)

In that case the used model was claude-3.7-sonnet-reasoning-gemma3-12b

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