{"uid":"cap_z-ULR4c75FztcjkqEmoJu","slug":"assay-agentdiet-dev-execute-a2a-json-rpc-2-0-task-assay-agentdiet-dev-30f80746","name":"Execute A2A JSON-RPC 2.0 Task (assay.agentdiet.dev)","description":"Execute A2A JSON-RPC 2.0 task (Live x402 v2, IETF MPP & MCP endpoint at https://assay.agentdiet.dev)","url":"https://assay.agentdiet.dev/a2a?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["target"],"properties":{"target":{"type":"string","default":"https://agentdiet.dev"}}},"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":"0.005000","displayCostAsset":"USD","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":"$0.005000/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005000","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005000","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NEhvOOgqW1HYTUb-d91ik","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005000","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":"assay.agentdiet.dev","brandSlug":"assay-agentdiet-dev-mpp","brandBaseUrl":"https://assay.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Executes an A2A JSON-RPC 2.0 audit task against a target endpoint and returns a security grade, score, and status","exampleAgentPrompt":"Run a security audit and grade my agent endpoint at https://myagent.example.com — I need to know its TDQS score and whether it passes A2A JSON-RPC 2.0 compliance.","exampleUseCases":[{"title":"Pre-deployment A2A endpoint certification","prompt":"Before I go live, can you audit https://myagent.example.com/a2a and tell me its security grade and TDQS score so I know it's ready for production?"},{"title":"Third-party MCP server vetting","prompt":"I'm about to integrate with an MCP server at https://partner.example.com/mcp — can you run an A2A JSON-RPC audit on it and give me a compliance score before I commit?"},{"title":"Ongoing x402 endpoint health check","prompt":"Check https://payments.example.com/x402 against A2A and TDQS standards and let me know its current grade and whether there are more audit records to page through."}],"resultDescription":"Returns a status string, a letter grade (e.g. A, B, C), an integer score, the target URL, and optional pagination fields (has_more boolean and next_cursor string) for fetching additional audit records.","failureModes":["Invalid or unreachable target URL returns an error status","Missing required 'target' parameter causes a 400-level rejection","Target endpoint that does not speak A2A/MCP/x402 may return a low score or error status","Network timeouts against slow target endpoints","Pagination cursor mismatch if audit state changes between pages"],"whenToPreferThis":"Use this endpoint when you need a machine-readable security grade and TDQS score for an A2A, MCP, or x402 endpoint via a standard JSON-RPC 2.0 task invocation — especially when you need idempotent, paginated audit results. Prefer this over the deeper audit endpoint when a quick grade and score suffice and you don't need exhaustive protocol-level findings.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:30:15.651Z","isFirstParty":false,"canonicalSlug":"assay-agentdiet-dev-execute-a2a-json-rpc-2-0-task-assay-agentdiet-dev-30f80746"}