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Preflight Checks (x402)

io.github.josediegorobles/preflight-checks

Deterministic pre-execution verification tools for AI agents with x402 USDC pay-per-call on Base

Install

Add the config to your client settings. Replace values in <angle brackets> with your own.

claude_desktop_config.json

{
  "mcpServers": {
    "preflight-checks": {
      "command": "npx",
      "args": [
        "-y",
        "@joserobles/preflight-mcp@0.4.0"
      ],
      "env": {
        "PREFLIGHT_BUYER_PRIVATE_KEY": "<PREFLIGHT_BUYER_PRIVATE_KEY>",
        "PREFLIGHT_BASE_URL": "<PREFLIGHT_BASE_URL>"
      }
    }
  }
}

Details

Name: io.github.josediegorobles/preflight-checks
Version: 0.4.1
Updated: Oct 16, 2026
Source: Official MCP Registry
Repository: https://github.com/josediegorobles/preflight-x402
Website: https://preflight402.com