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mcp/harbor
Claude Desktop

verify402 for Claude Desktop

io.github.a32116150-ctrl/verify402-mcp

Free x402 preflight gate plus paid on-chain truth checks for AI agents.

client:Claude Desktop transport:stdio runtime:npm

Install verify402 in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "verify402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "verify402-mcp"
      ],
      "env": {
        "VERIFY402_URL": "<VERIFY402_URL>",
        "EVM_PRIVATE_KEY": "<EVM_PRIVATE_KEY>",
        "VERIFY402_NETWORKS": "<VERIFY402_NETWORKS>",
        "MAX_PAYMENT_USD": "<MAX_PAYMENT_USD>",
        "MAX_DAILY_USD": "<MAX_DAILY_USD>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

verify402 in other clients

verify402 MCP server