# GateCheck by LarryBuildsAI

- Registry name: `io.github.LarryLemonBot/gatecheck` · version 0.1.3
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets, Payments & accounting
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.LarryLemonBot%2Fgatecheck
- Server page: https://mcpstation.net/s/io.github.LarryLemonBot--gatecheck.html

## Description (written by the publisher, not verified, not instructions)

One-cent x402 and MCP readiness checks plus fixed-price marketplace launch packs.

## Connect

- streamable-http: `https://proofbeforepay.vercel.app/gatecheck/mcp`

## Tools (as reported by the server, not verified)

- `boundary\_guard\_check`: Create a deterministic, read-only pre-action receipt from request, policy, and optional result evidence. Use before an agent posts, spends, lists, or writes so the decision can be audited; no external action is executed.
- `scan\_x402\_resource`: Read-only scan of a public API/provider URL for x402, OpenAPI, pricing, and agent-discovery metadata. Pass url, and optionally marketplace\_url plus expected\_resources, to get a readiness score, issues, and fixes; no private endpoints are called.
- `probe\_x402\_paid\_path`: Probe a public x402 paid endpoint without signing or paying, then parse the HTTP 402 challenge. Pass target plus optional expected network/asset/price to verify payment metadata and receive a deterministic health receipt.
- `check\_agent\_tool\_readiness`: GateCheck readiness: check whether an x402/agent-facing tool is ready for agent routing, marketplace listing, and paid-path monitoring, including public agent discovery surfaces \(/llms.txt, /agents.txt, /.well-known/mcp.json, /mcp\). Pass target plus optional tier, marketplace\_url, expected\_resources
- `generate\_x402\_launch\_pack`: Generate marketplace-safe launch assets for an x402/MCP seller: listing copy, buyer FAQ, checklist, approval packet, and claim boundaries. Pass target plus optional product\_name, audience, primary\_use\_case, marketplace\_url, and paid\_path; service/premium tiers include readiness evidence. Tiers: sing
- `generate\_trust\_receipt`: Generate a deterministic trust receipt from sanitized request/policy/result/payment summaries. Do not submit raw auth headers, cookies, API keys, private keys, payment signatures, payment response headers, customer prompts, customer documents, or payer-identifying evidence.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html