{"uid":"cap_JaV7HmAbEzYQ8sfvwTJRo","slug":"proofrail-mcp-server-verifier-ffc3e352","name":"ProofRail MCP Server Verifier","description":"Use ProofRail to verify an MCP server before deploying, upgrading, or trusting it. It provides MCP compatibility preflight, MCP verification, MCP server verification and validation, a compatibility test, and release preflight: protocol negotiation, tools/list, schemas, transport, auth classification, and an optional server-configured safe fixture; returns PASS, FAIL, or PARTIAL with a deterministic evidence receipt.","url":"https://drkdm4jd-8767.uks1.devtunnels.ms/mcp?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PvQAPqrilZolP2M5BGMJc","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies an MCP server's compatibility and correctness before deployment by testing protocol negotiation, tools/list, schemas, transport, and auth, returning a PASS/FAIL/PARTIAL verdict with a deterministic evidence receipt.","exampleAgentPrompt":"Run a ProofRail preflight check on my MCP server at https://my-mcp-server.example.com and tell me if it passes protocol negotiation, tools/list, schemas, transport, and auth classification — I need a PASS/FAIL/PARTIAL verdict with the evidence receipt before I deploy.","exampleUseCases":[{"title":"Pre-deployment MCP server audit","prompt":"Before I push this new MCP server to production, run a full ProofRail verification on it at https://staging.myagent.io/mcp and give me the PASS/FAIL verdict plus the evidence receipt so I can sign off on the deployment."},{"title":"Upgrade safety check for MCP server","prompt":"I'm about to upgrade my MCP server at https://tools.mycompany.com/mcp to a new version — can you run a ProofRail compatibility preflight first to make sure the protocol negotiation, tool schemas, and transport still check out?"},{"title":"Third-party MCP server trust evaluation","prompt":"I want to integrate a third-party MCP server at https://vendor.example.com/mcp into our agent workflow — please run ProofRail on it and tell me if it gets a PASS, FAIL, or PARTIAL, and what the auth classification came out as."}],"resultDescription":"Returns a PASS, FAIL, or PARTIAL verdict along with a deterministic evidence receipt that includes results for each checked dimension: protocol negotiation, tools/list enumeration, schema validation, transport classification, auth classification, and optionally a server-configured safe fixture test.","failureModes":["Target MCP server is unreachable or times out — returns FAIL with connectivity error in evidence receipt","MCP server returns malformed responses — returns FAIL or PARTIAL with schema mismatch details","Auth classification cannot be determined — partial evidence receipt with auth field marked unknown","Server does not support required protocol version — FAIL on protocol negotiation step","Safe fixture not configured on server — fixture test skipped or marked N/A in receipt"],"whenToPreferThis":"Choose ProofRail when you need a deterministic, structured verification of an MCP server's protocol compliance before a deployment, upgrade, or trust decision — especially when you need an auditable evidence receipt rather than just a manual inspection. Prefer it over ad-hoc testing scripts when you want a standardized PASS/FAIL/PARTIAL verdict that can be logged or used as a gate in a CI/CD pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T12:36:17.797Z","isFirstParty":false,"canonicalSlug":"proofrail-mcp-server-verifier-ffc3e352"}