dev.workers.sebastiaan-ba3.x402lint/tools

up checked 2026-11-11T01:37:40.016Z

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Publisher-provided description

Lints whether a paid API's 402 response speaks the x402 protocol correctly.

Summary by lookupd

Checks whether a URL's HTTP 402 response matches the x402 payment protocol format, and can cross-check it against a manifest or run…

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http tools https://x402lint.sebastiaan-ba3.workers.dev/mcp

Codex, remote (streamable-http)

codex mcp add tools --url https://x402lint.sebastiaan-ba3.workers.dev/mcp

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

{
  "mcpServers": {
    "tools": {
      "url": "https://x402lint.sebastiaan-ba3.workers.dev/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

• lint_x402_endpoint Fetch a URL, expect an HTTP 402 response, and validate the JSON body against the x402 protocol shape (x402Version, accepts[] fields, resource/description). Free
• deep_lint_x402_endpoint Cross-checks a target's live 402 body against its /.well-known/x402.json manifest (payTo/asset/network mismatches). Requires payment (0.01 USDC on Base, x402) -
• conform_x402_endpoint Live adversarial test: fires malformed/garbage/fake payment proofs at a target to see if any trick it into returning 200 without a real payment. Requires paymen

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 361 ms
• First indexed: 2026-11-01T09:02:05.634Z
• Last seen in registry: 2026-11-01T09:02:05.634Z
• Website: https://doormat.sebastiaan-ba3.workers.dev

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