Skip to content
mcp/harbor
Cursor

pkgtruth for Cursor

io.github.hxckya/pkgtruth

Catches hallucinated and slopsquatted npm and PyPI packages before an agent installs them.

client:Cursor transport:stdio runtime:npm

Install pkgtruth in Cursor

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "pkgtruth": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "pkgtruth"
      ],
      "env": {
        "PKGTRUTH_REGISTRY": "<PKGTRUTH_REGISTRY>",
        "PKGTRUTH_DOWNLOADS_API": "<PKGTRUTH_DOWNLOADS_API>",
        "PKGTRUTH_CACHE_DIR": "<PKGTRUTH_CACHE_DIR>",
        "PKGTRUTH_TIMEOUT_MS": "<PKGTRUTH_TIMEOUT_MS>"
      }
    }
  }
}

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

pkgtruth in other clients

pkgtruth MCP server