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AI and media

Ephemeral Cloud Mcp

io.github.weekendinvestor/ephemeral-cloud-mcp · v0.1.3

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

Website Set it up

Connect Runs on your machine

Terminal
claude mcp add ephemeral-cloud-mcp -e WALLET_KEY_FILE=<WALLET_KEY_FILE> -e X402_MAX_PAYMENT_USD=<X402_MAX_PAYMENT_USD> -e X402_SESSION_BUDGET_USD=<X402_SESSION_BUDGET_USD> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "ephemeral-cloud-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WALLET_KEY_FILE": "<WALLET_KEY_FILE>",
        "X402_MAX_PAYMENT_USD": "<X402_MAX_PAYMENT_USD>",
        "X402_SESSION_BUDGET_USD": "<X402_SESSION_BUDGET_USD>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "ephemeral-cloud-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WALLET_KEY_FILE": "<WALLET_KEY_FILE>",
        "X402_MAX_PAYMENT_USD": "<X402_MAX_PAYMENT_USD>",
        "X402_SESSION_BUDGET_USD": "<X402_SESSION_BUDGET_USD>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "ephemeral-cloud-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WALLET_KEY_FILE": "<WALLET_KEY_FILE>",
        "X402_MAX_PAYMENT_USD": "<X402_MAX_PAYMENT_USD>",
        "X402_SESSION_BUDGET_USD": "<X402_SESSION_BUDGET_USD>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
WALLET_KEY_FILE
Optional		Path to a file holding the private key (0x…) of a dedicated wallet with a few dollars of USDC on Base. Optional: without it the server serves the free tier and exact 402 price quotes.
X402_MAX_PAYMENT_USD
Optional		Refuse any single payment above this amount (default 1.00).
X402_SESSION_BUDGET_USD
Optional		Stop paying once this much has been spent in the process (default 5.00).

Details

Package[email protected] (NPM, stdio)
First published21 Sep 2026
Last updated21 Sep 2026
Registry nameio.github.weekendinvestor/ephemeral-cloud-mcp

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