io.github.chico10117/x402-preflight

up checked 2026-11-11T04:38:22.051Z

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Publisher-provided title

x402 Preflight

Publisher-provided description

Check an x402 endpoint's payment challenge and discovery metadata before paying.

Summary by lookupd

Checks an x402 endpoint's payment challenge and discovery metadata read-only, and can order paid remediation reports for findings.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http x402-preflight https://x402.chikocorp.com/mcp

Codex, remote (streamable-http)

codex mcp add x402-preflight --url https://x402.chikocorp.com/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "x402-preflight": {
      "url": "https://x402.chikocorp.com/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (3 tools)

Publisher-provided text

• inspect_x402_endpoint Free endpoint check for API developers launching or debugging x402. Inspect your live payment challenge and caller-selected comparison policy without sending pa
• audit_x402_endpoint Technical audit for API developers launching or debugging x402. Returns deeper read-only evidence of payment configuration, schemas, redirects, CORS, cache beha
• order_x402_remediation Diagnostic report for API developers launching or debugging x402. An explicitly authorized x402 purchase creates a durable order for asynchronous findings, evid

Details

• Version: 1.0.2
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 1314 ms
• First indexed: 2026-11-01T09:23:12.095Z
• Last seen in registry: 2026-11-05T17:17:26.243Z
• Repository: https://github.com/chico10117/x402-preflight-docs

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