GateCheck by LarryBuildsAI
https://x402-resource-scanner.vercel.app/gatecheck/mcpskills: {'id': 'boundary_guard_check', 'name': 'boundary_guard_check', 'description': '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.', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': 'scan_x402_resource', 'name': 'scan_x402_resource', 'description': '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.', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': 'probe_x402_paid_path', 'name': 'probe_x402_paid_path', 'description': '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.', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': 'check_agent_tool_readiness', 'name': 'check_agent_tool_readiness', 'description': '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, and paid_path; deep/report tiers add unpaid 402 probing when paid_path is supplied. Tiers: quick $1, deep $5, report $10.', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': 'generate_x402_launch_pack', 'name': 'generate_x402_launch_pack', 'description': '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: single $9, service $29, premium $49.', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': 'generate_trust_receipt', 'name': 'generate_trust_receipt', 'description': '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.', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}; uptime_30d 1.0%; p95 185.9ms; conformance: pass
How to connect
https://x402-resource-scanner.vercel.app/gatecheck/mcp
curl -X POST https://x402-resource-scanner.vercel.app/gatecheck/mcp \
-H 'Content-Type: application/json' \
-H 'Accept: application/json, text/event-stream' \
-d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'