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mcp/harbor
Cursor

Upsilon — AI Operator Measurement Engine for Cursor

io.github.sunrisesillneversee/sigrank-mcp

Upsilon measurement engine with 25 local tools and SigRank proof access via the sigrank package.

client:Cursor transport:stdio runtime:npm

Install Upsilon — AI Operator Measurement Engine in Cursor

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

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

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

Upsilon — AI Operator Measurement Engine in other clients

Upsilon — AI Operator Measurement Engine MCP server