{"uid":"cap_wf-MQcVk9duHcftqYC7l_","slug":"whale-momentum-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-6a2fb369","name":"A2A, MCP & HTTP 402 Endpoint SLA Compliance Auditor","description":"Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP 402 settlement headers. (Live x402 v2, IETF MPP & MCP endpoint at https://whale-momentum.agentdiet.dev/v1/mpp-verifier)","url":"https://whale-momentum.agentdiet.dev/v1/mpp-verifier?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string","minLength":1,"description":"Target A2A, MCP, or x402 service URL to audit for protocol compliance"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2D4nU3sKT2OlHJoUpn9pM","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"whale-momentum.agentdiet.dev","brandSlug":"whale-momentum-agentdiet-dev-mpp","brandBaseUrl":"https://whale-momentum.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits a remote A2A agent, MCP server, or x402 payment endpoint for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 settlement header correctness.","exampleAgentPrompt":"Can you audit https://my-agent.example.com/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 settlement headers and tell me if anything is misconfigured?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I go live, can you audit https://my-service.example.com/v1/mcp and tell me whether it passes JSON-RPC 2.0 compliance, has a valid OpenAPI schema, and meets latency SLA requirements?"},{"title":"x402 payment header verification","prompt":"I've set up an HTTP 402 payment endpoint at https://payments.myapp.dev/api/tool — can you check whether the x402 settlement headers are correctly configured for USDC?"},{"title":"Third-party agent tool due diligence","prompt":"I'm thinking about integrating a third-party A2A tool at https://vendor.agentplatform.io/v2/agent — can you audit it for protocol compliance, latency, and any missing OpenAPI schema fields before I commit?"}],"resultDescription":"Returns a compliance report object covering JSON-RPC 2.0 conformance, observed latency vs. SLA thresholds, OpenAPI schema validity findings, and HTTP 402/x402 settlement header correctness for the audited URL.","failureModes":["Target URL is unreachable or times out — returns error indicating connection failure","Target URL returns unexpected HTTP status codes incompatible with auditing","Malformed or missing URL parameter — returns validation error","Target endpoint lacks any recognizable A2A/MCP/x402 structure — report may be incomplete or inconclusive","Rate limiting or access restrictions on the target URL prevent full audit"],"whenToPreferThis":"Use this endpoint when you need to verify that a specific remote A2A agent, MCP server, or HTTP 402-enabled service meets protocol standards (JSON-RPC 2.0, OpenAPI, x402/MPP) and latency SLAs before integrating it into an agent workflow. Prefer it over generic HTTP health-checkers when you need protocol-specific compliance feedback including payment header validation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:41.358Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-14d6c442"}