Ephemeral Cloud MCP

Provides temporary webhooks, URL watches, and delayed callbacks for AI agents. It allows agents to create inbound webhooks, poll URLs for conditions, and receive delayed payloads without requiring accounts or API keys, utilizing x402 payment for usage.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by weekendinvestor

You need:No accounts. No API keys.

Vendor documentation

What you can do with it

Create temporary inbound webhooks for agent communication
Poll URLs until specific conditions like status or content changes
Schedule delayed callbacks with payloads to agent endpoints

Source and maintenance

Community listingRegistry 0.1.3

mcp-registry: io.github.weekendinvestor/ephemeral-cloud-mcp@0.1.3 Project website

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

ephemeral-cloud-mcp 0.1.3

npm

ephemeral-cloud-mcp package definition

{
  "version": "0.1.3",
  "transport": "stdio",
  "identifier": "ephemeral-cloud-mcp",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "WALLET_KEY_FILE",
      "description": "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."
    },
    {
      "name": "X402_MAX_PAYMENT_USD",
      "description": "Refuse any single payment above this amount (default 1.00)."
    },
    {
      "name": "X402_SESSION_BUDGET_USD",
      "description": "Stop paying once this much has been spent in the process (default 5.00)."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "ephemeral-cloud-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "ephemeral-cloud-mcp@0.1.3"
      ],
      "env": {
        "WALLET_KEY_FILE": "<YOUR_WALLET_KEY_FILE>",
        "X402_MAX_PAYMENT_USD": "<YOUR_X402_MAX_PAYMENT_USD>",
        "X402_SESSION_BUDGET_USD": "<YOUR_X402_SESSION_BUDGET_USD>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "ephemeral-cloud-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "ephemeral-cloud-mcp@0.1.3"
      ],
      "env": {
        "WALLET_KEY_FILE": "<YOUR_WALLET_KEY_FILE>",
        "X402_MAX_PAYMENT_USD": "<YOUR_X402_MAX_PAYMENT_USD>",
        "X402_SESSION_BUDGET_USD": "<YOUR_X402_SESSION_BUDGET_USD>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "ephemeral-cloud-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "ephemeral-cloud-mcp@0.1.3"
      ],
      "env": {
        "WALLET_KEY_FILE": "<YOUR_WALLET_KEY_FILE>",
        "X402_MAX_PAYMENT_USD": "<YOUR_X402_MAX_PAYMENT_USD>",
        "X402_SESSION_BUDGET_USD": "<YOUR_X402_SESSION_BUDGET_USD>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "ephemeral-cloud-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "ephemeral-cloud-mcp@0.1.3"
      ],
      "env": {
        "WALLET_KEY_FILE": "<YOUR_WALLET_KEY_FILE>",
        "X402_MAX_PAYMENT_USD": "<YOUR_X402_MAX_PAYMENT_USD>",
        "X402_SESSION_BUDGET_USD": "<YOUR_X402_SESSION_BUDGET_USD>"
      }
    }
  }
}

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