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mcp/harbor
Cursor

RetentionCheck for Cursor

io.github.brianfofficial/retentioncheck-mcp-server

Pull churn from Stripe, Postgres, MySQL, or pasted feedback. AI-ranked drivers + fixes.

client:Cursor transport:stdio runtime:npm

Install RetentionCheck 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": {
    "retentioncheck-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@retentioncheck/mcp-server"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>",
        "STRIPE_SECRET_KEY": "<STRIPE_SECRET_KEY>",
        "POSTGRES_URL": "<POSTGRES_URL>",
        "MYSQL_URL": "<MYSQL_URL>",
        "RETENTIONCHECK_TELEMETRY": "<RETENTIONCHECK_TELEMETRY>"
      }
    }
  }
}

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

RetentionCheck in other clients

RetentionCheck MCP server