mcp-hayabusa
Enables forensic analysis of Windows event logs (.evtx) using Hayabusa, providing tools for timeline generation, threat hunting, and rule updates via MCP.
README
mcp-hayabusa
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
PATHor pointed to via theHAYABUSA_BINenvironment 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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