How do I install X402 Paid Checks?

Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does X402 Paid Checks need an API key?

The publisher lists these environment variables: X402_PRIVATE_KEY, X402_MAX_USD_PER_CALL.

What transport does X402 Paid Checks use?

X402 Paid Checks runs locally over stdio.

When was X402 Paid Checks last checked?

Last checked 2026-11-09. Domain, email, vendor and ransomware checks paid per call in USDC via x402 from your wallet.

X402 Paid Checks MCP server

Power your agent

Add this server

The publisher's own command. Not a PlugMCP endpoint.

Add to Cursor Add to VS Code Run on PlugMCP

Host a copy with our keys and logs.

Local command

npx -y [email protected]

Credentials from the publisher

X402_PRIVATE_KEY — Your own EVM wallet private key used to pay per call. Optional; without it tools return the price only.
X402_MAX_USD_PER_CALL — Refuse any call priced above this USD amount (default 0.10).

Claude Code has no install link for a local command. Copy the command below and run it in a terminal.

shClaude Code

1X402_PRIVATE_KEY=<secret> X402_MAX_USD_PER_CALL=<value> claude mcp add io.github.dario933-x402-paid-checks -- npx -y x402-paid-checks-mcp@0.1.1

Run in a terminal.

jsonClaude Desktop

1{2  "mcpServers": {3    "io.github.dario933-x402-paid-checks": {4      "command": "npx",5      "args": [6        "-y",7        "[email protected]"8      ],9      "env": {10        "X402_PRIVATE_KEY": "<secret>",11        "X402_MAX_USD_PER_CALL": "<value>"12      }13    }14  }15}

claude_desktop_config.json

Local · npmPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Local

Transport: stdio
Version: 0.1.1
API key

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

X402 Paid Checks

Add this server

Host a copy with our keys and logs.

Server facts

Tools

Questions

How do I install X402 Paid Checks?

Does X402 Paid Checks need an API key?

What transport does X402 Paid Checks use?

When was X402 Paid Checks last checked?

Documentation