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mcp/harbor
Cursor

nix packages mcp for Cursor

io.github.mrfentmen/nix-packages-mcp

Nix package search from nixpkgs. No key required.

client:Cursor transport:stdio runtime:npm

Install nix packages mcp in Cursor

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

{
  "mcpServers": {
    "nix-packages-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "nix-packages-mcp"
      ]
    }
  }
}

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

nix packages mcp in other clients

nix packages mcp MCP server