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mcp/harbor
Cursor

ephemeral cloud mcp for Cursor

io.github.weekendinvestor/ephemeral-cloud-mcp

Temporary webhooks, URL watches and delayed callbacks for AI agents. Pay per use in USDC (x402).

client:Cursor transport:stdio runtime:npm

Install ephemeral cloud mcp 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": {
    "ephemeral-cloud-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "ephemeral-cloud-mcp"
      ],
      "env": {
        "WALLET_KEY_FILE": "<WALLET_KEY_FILE>",
        "X402_MAX_PAYMENT_USD": "<X402_MAX_PAYMENT_USD>",
        "X402_SESSION_BUDGET_USD": "<X402_SESSION_BUDGET_USD>"
      }
    }
  }
}

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

ephemeral cloud mcp in other clients

ephemeral cloud mcp MCP server