{"uid":"cap_SGUEiAtwVINoAD0wPf_RN","slug":"neo-mcp-check-b7ded2e9","name":"neo mcp-check","description":"Read-only check of a public MCP endpoint: DNS/SSRF safety, TLS, initialize, tools/list sanity, latency. Never calls remote tools. Signed, logged result.","url":"https://neo-collettive.onrender.com/x402/mcp-check?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string"},"registry_name":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"tools":3,"signature":"..."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_66O-KEGO5fVk5RY1sgMGe","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a read-only safety and sanity audit of a public MCP endpoint: DNS/SSRF checks, TLS validation, protocol handshake, tools listing, and latency measurement, returning a signed and logged result.","exampleAgentPrompt":"Can you do a safety check on the MCP server at https://example-mcp.onrender.com — check its DNS, TLS, and tool list, and give me a signed result I can trust?","exampleUseCases":[{"title":"Vet new MCP server before agent use","prompt":"Before I plug this MCP endpoint https://tools.myservice.ai into my agent, can you audit it for DNS/SSRF safety, TLS, and make sure its tools list looks sane? I want a signed result."},{"title":"Registry entry validation for MCP marketplace","prompt":"I'm adding an MCP server called 'data-fetcher' at https://data-fetcher.example.com to our registry — can you run a full mcp-check on it and confirm it's safe and responsive?"},{"title":"Latency and health spot-check","prompt":"Can you quickly probe the MCP server at https://agent-tools.internal.io, check its initialize handshake, count how many tools it exposes, and tell me the latency? I need the signed audit log."}],"resultDescription":"A JSON object with an 'ok' boolean indicating overall pass/fail, the number of tools discovered via tools/list, a cryptographic signature for the result, and additional fields covering DNS/SSRF safety status, TLS validity, latency measurement, and log position for auditability.","failureModes":["URL is unreachable or DNS does not resolve — returns ok:false with a network error detail","SSRF safety check flags the URL as a private/reserved IP range — request blocked with safety error","TLS certificate invalid or expired — returns ok:false with TLS failure detail","MCP server fails to respond to initialize handshake — returns ok:false with protocol error","tools/list returns malformed or empty response — flagged in sanity check results","Target server times out — latency measurement included with a timeout status"],"whenToPreferThis":"Use this endpoint when you need a read-only, signed, and logged safety audit of a public MCP server before connecting an agent to it. It is specifically designed for MCP protocol validation (DNS/SSRF, TLS, initialize handshake, tools/list) and never calls remote tools, making it safe for pre-flight checks. Prefer it over generic HTTP health checks when you need MCP-aware protocol validation and a cryptographically signed result for audit trails or registry compliance.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:35:47.898Z","isFirstParty":false,"canonicalSlug":"neo-mcp-check-b7ded2e9"}