{"uid":"cap_TKfXgxX_-VHt65BKMCS_2","slug":"agentdiet-mpp-verifier-204926a7","name":"AgentDiet MPP Verifier","description":"Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://rag-diet.agentdiet.dev settling in USDC on Base.","url":"https://rag-diet.agentdiet.dev/v1/mpp-verifier?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","POST"],"type":"string"},"queryParams":{"type":"object","properties":{"url":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":{},"status":"ok","roi_proof":{"compression_ratio_pct":91.4}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","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":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pjhQBdE-udkInMsrEc-fy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies and validates an HTTP endpoint's MPP (Micropayment Protocol) compliance and returns a compression ROI proof for context window efficiency claims.","exampleAgentPrompt":"Can you verify whether https://example-api.com/v1/data supports MPP and tell me the compression ROI — use a GET probe?","exampleUseCases":[{"title":"Pre-flight A2A endpoint audit","prompt":"Before I wire up my agent to call https://partner-service.io/v1/chat, can you verify it's MPP-compliant and show me the compression ratio proof?"},{"title":"Validate micropayment readiness before deployment","prompt":"I'm about to launch my agent pipeline — can you probe https://my-agent-node.dev/api/infer with a GET request and confirm it passes MPP verification?"},{"title":"Benchmark context efficiency of a third-party node","prompt":"I want to know the compression ROI proof for the endpoint at https://thirdparty-rag.dev/v1/query — verify it with a GET and tell me the ratio."}],"resultDescription":"Returns a JSON object with a status field ('ok' on success), a data object containing verification details, and an roi_proof object that includes a compression_ratio_pct value (e.g. 91.4%) indicating how efficiently the endpoint compresses context.","failureModes":["Target URL is unreachable or returns non-200 — verification fails with error status","URL parameter missing or malformed — schema validation error","Endpoint does not support MPP/x402 — returns non-compliant status","Payment of $0.01 USDC not settled — x402 payment required error before execution","Rate limiting or timeout on the probed endpoint — incomplete verification result"],"whenToPreferThis":"Use this endpoint when you need to programmatically confirm that an HTTP API endpoint is compliant with MPP, x402, or L402 micropayment and A2A agent protocols, and when you want a quantified compression ROI proof. Prefer this over manual inspection or generic HTTP probes when building agent pipelines that require verified, payment-ready upstream nodes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:43:11.699Z","isFirstParty":false,"canonicalSlug":"agentdiet-mpp-verifier-204926a7"}