{"uid":"cap_tgxKlLVBd2svzPKtc5yzI","slug":"assay-agentdiet-dev-a2a-mcp-x402-deep-protocol-security-audit-3bbd1a51","name":"A2A/MCP/x402 Deep Protocol & Security Audit","description":"Deep protocol & security audit of an A2A/MCP/x402 endpoint (Live x402 v2, IETF MPP & MCP endpoint at https://assay.agentdiet.dev)","url":"https://assay.agentdiet.dev/v1/audit?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["target"],"properties":{"target":{"type":"string","default":"https://x402broker.com"}}},"responseSchema":{"type":"object","required":["status","grade","score"],"properties":{"grade":{"type":"string"},"score":{"type":"integer"},"status":{"type":"string"},"target":{"type":"string"},"has_more":{"type":"boolean"},"next_cursor":{"type":"string","nullable":true}}},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","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":"$0.005/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EWjPcsDPHEvvt2Fn2cnfh","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"assay.agentdiet.dev","brandSlug":"assay-agentdiet-dev-mpp","brandBaseUrl":"https://assay.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Performs a deep protocol conformance and security audit of a target A2A, MCP, or x402 endpoint, returning a grade and score.","exampleAgentPrompt":"Can you run a deep security and protocol audit on https://x402broker.com and tell me its grade and score?","exampleUseCases":[{"title":"Pre-deployment endpoint security check","prompt":"Before I go live with my new MCP endpoint at https://my-agent.example.com, can you run a deep protocol audit on it and give me its security grade?"},{"title":"Third-party agent vetting","prompt":"I'm about to integrate with an A2A agent at https://partner-agent.io — can you audit it for protocol conformance and security issues and tell me if it passes?"},{"title":"Ongoing x402 endpoint compliance review","prompt":"Run a full deep audit on https://x402broker.com and show me the results including any additional pages of findings."}],"resultDescription":"Returns a JSON object with a status string, a letter-based security grade (e.g. A, B, C), an integer score, the audited target URL, and pagination fields (has_more, next_cursor) for fetching additional audit records.","failureModes":["Invalid or unreachable target URL returns an error status","Malformed target parameter results in a 4xx validation error","Target endpoint times out during audit, returning a failed status","Pagination cursor is invalid or expired, causing a cursor error","Rate limiting or payment failure returns a 402 or 429 response"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, deep protocol and security audit of an A2A, MCP, or x402 endpoint — going beyond a quick pre-flight check to provide a graded score with detailed findings. Prefer this over lighter certification endpoints when evaluating third-party integrations, performing due diligence before production deployment, or when paginated audit results are needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:30:09.803Z","isFirstParty":false,"canonicalSlug":"assay-agentdiet-dev-a2a-mcp-x402-deep-protocol-security-audit-3bbd1a51"}