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mcp/harbor
Cursor

GrindFree Agent Security for Cursor

io.github.ronin93/grindfree-agent-security

Pay-per-call agent security (x402): injection, tools, shell/SQL, memory, leaks, docs, safe web reads

client:Cursor transport:stdio runtime:npm

Install GrindFree Agent Security 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": {
    "grindfree-agent-security": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@grindfree/agent-security-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<X402_PRIVATE_KEY>"
      }
    }
  }
}

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

GrindFree Agent Security in other clients

GrindFree Agent Security MCP server