{"uid":"cap_hsd5HhsVX2AwKs7VIctqL","slug":"mcp-security-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-2cdeed19","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://mcp-security.agentdiet.dev/v1/paywall-scanner)","url":"https://mcp-security.agentdiet.dev/v1/paywall-scanner?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_dlmqgwZdCNY6yq4UfsfuZ","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-security.agentdiet.dev","brandSlug":"mcp-security-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-security.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits any A2A agent, MCP, or x402 URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit https://api.example.com/mcp-tool to check whether it's properly compliant with MCP JSON-RPC spec, has acceptable latency SLA, and has valid HTTP 402 x402 payment headers?","exampleUseCases":[{"title":"Verify new MCP server before integration","prompt":"Before I wire up this MCP server into my agent stack, can you audit https://tools.myservice.com/mcp and tell me if it's properly JSON-RPC compliant and what its latency looks like?"},{"title":"Check x402 payment header correctness","prompt":"I built a paywalled API at https://api.myagent.dev/v1/search and I want to make sure the HTTP 402 x402 headers are set up correctly — can you run a compliance check on it?"},{"title":"Pre-launch A2A agent endpoint audit","prompt":"We're about to go live with our A2A agent at https://agent.company.io/v2/actions — can you do a full compliance audit including OpenAPI schema validity, SLA latency, and JSON-RPC format before we launch?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC protocol adherence, measured latency vs SLA thresholds, OpenAPI schema validity, HTTP 402 x402 settlement header correctness, and an overall protocol compliance status for the audited endpoint.","failureModes":["Target URL is unreachable or returns a network error","Target URL is not an A2A/MCP/x402 endpoint and returns unexpected content type","URL missing or empty — required parameter not provided","Target endpoint times out before SLA measurement completes","Target returns malformed or non-standard HTTP 402 headers that cannot be parsed"],"whenToPreferThis":"Choose this endpoint when you need to verify that an A2A agent, MCP tool server, or x402-paywalled API is correctly implementing its protocol stack — particularly JSON-RPC compliance, latency SLAs, OpenAPI schema correctness, and HTTP 402 payment header format. It is especially useful before integrating a third-party agent endpoint into a production system, or when debugging why an x402 payment handshake is failing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:37:54.731Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-d465bd7b"}