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mcp/harbor
Cursor

sigma rules mcp for Cursor

io.github.mrfentmen/sigma-rules-mcp

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

client:Cursor transport:stdio runtime:npm

Install sigma rules mcp in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json 

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

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

sigma rules mcp in other clients

sigma rules mcp MCP server