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Agent Wormhole

io.github.runningoffcode/wormhole-x402 ยท v0.8.0

Check tokens, pages and x402 payments before your agent trusts them. Offline verdicts.

Website Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add wormhole-x402 -e WORMHOLE_API_KEY=<WORMHOLE_API_KEY> -e WORMHOLE_VERIFY_URL=<WORMHOLE_VERIFY_URL> -e WORMHOLE_ADDRESS_LEDGER=<WORMHOLE_ADDRESS_LEDGER> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "wormhole-x402": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WORMHOLE_API_KEY": "<WORMHOLE_API_KEY>",
        "WORMHOLE_VERIFY_URL": "<WORMHOLE_VERIFY_URL>",
        "WORMHOLE_ADDRESS_LEDGER": "<WORMHOLE_ADDRESS_LEDGER>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "wormhole-x402": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WORMHOLE_API_KEY": "<WORMHOLE_API_KEY>",
        "WORMHOLE_VERIFY_URL": "<WORMHOLE_VERIFY_URL>",
        "WORMHOLE_ADDRESS_LEDGER": "<WORMHOLE_ADDRESS_LEDGER>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "wormhole-x402": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WORMHOLE_API_KEY": "<WORMHOLE_API_KEY>",
        "WORMHOLE_VERIFY_URL": "<WORMHOLE_VERIFY_URL>",
        "WORMHOLE_ADDRESS_LEDGER": "<WORMHOLE_ADDRESS_LEDGER>"
      }
    }
  }
}

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
WORMHOLE_API_KEY
Optional, secret		Optional. Hosted-mode key from dashboard.agentwormhole.com: adds URL checks with change history, and the operator's spend policy (budgets, approvals, kill switch) on payments.
WORMHOLE_VERIFY_URL
Optional		Optional. Override the hosted verifier endpoint (default https://dashboard.agentwormhole.com/api/v1/verify).
WORMHOLE_ADDRESS_LEDGER
Optional		Optional. Path to the address-provenance ledger written by wormhole-guard's readguard hook (default ~/.wormhole/addresses.jsonl).

Details

Package[email protected] (NPM, stdio)
First published6 Sep 2026
Last updated6 Sep 2026
Registry nameio.github.runningoffcode/wormhole-x402

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