mcp-hayabusa

mcp-hayabusa

Enables forensic analysis of Windows event logs (.evtx) using Hayabusa, providing tools for timeline generation, threat hunting, and rule updates via MCP.

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mcp-hayabusa

Tests

An MCP (Model Context Protocol) server that wraps Hayabusa, the Rust-based Windows event log (.evtx) fast forensic timeline generator and threat hunting tool.

It shells out to a local hayabusa binary and exposes its analysis capabilities as MCP tools that an LLM client (Claude Desktop, Claude Code, etc.) can call directly against .evtx files.

Prerequisites

  • Python >= 3.10
  • The hayabusa binary, either on PATH or pointed to via the HAYABUSA_BIN environment variable.

Install

pip install -e ".[dev]"

Run

mcp-hayabusa

or

python -m mcp_hayabusa

The server communicates over stdio, so it's meant to be launched by an MCP client rather than run interactively.

Example Claude Desktop / Claude Code config

{
  "mcpServers": {
    "hayabusa": {
      "command": "mcp-hayabusa",
      "env": {
        "HAYABUSA_BIN": "C:\\tools\\hayabusa\\hayabusa.exe"
      }
    }
  }
}

Tools

Tool Description
hayabusa_version Get the installed hayabusa binary's version.
hayabusa_list_profiles List available output profiles.
hayabusa_update_rules Update the Sigma detection rule set.
hayabusa_csv_timeline Run csv-timeline over an .evtx file or directory; returns bounded rows + total count.
hayabusa_json_timeline Run json-timeline over an .evtx file or directory; returns bounded JSON records + total count.
hayabusa_search Keyword/regex search over .evtx event records.

Tests

pytest

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