Lenz Fact-Check for Cursor

io.lenz/fact-check

Check the factual claims in a draft or an answer: a quick verdict, or a deep check with sources.

client:Cursor transport:streamable-http

Install Lenz Fact-Check in Cursor

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

{
  "mcpServers": {
    "fact-check": {
      "url": "https://lenz.io/mcp"
    }
  }
}

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