sigma rules mcp for Claude Desktop

io.github.mrfentmen/sigma-rules-mcp

Sigma MCP: parse detection rules, validate ids, levels, statuses and detection blocks.

client:Claude Desktop transport:stdio runtime:npm

Install sigma rules mcp in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "sigma-rules-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mrfentmen/sigma-rules-mcp"
      ]
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

sigma rules mcp in other clients

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sigma rules mcp MCP server