{"uid":"cap_7IcnW8pRXJp-X0JOTiDnV","slug":"mcpfax-reliability-score-25124df5","name":"MCPFax Reliability Score","description":"MCPFax credit grade, subscores, confidence, and cited evidence","url":"https://mcpfax-reliability.bowling-anthony.workers.dev/score","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"],"type":"string"},"queryParams":{"type":"object"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3eatXyyyPGIDxD8L5AAX-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a credit-style reliability grade, subscores, confidence level, and cited evidence for x402 sellers listed on MCPFax","exampleAgentPrompt":"Can you pull the MCPFax reliability score for this x402 seller — I want to see the credit grade, subscores, confidence level, and what evidence they cite?","exampleUseCases":[{"title":"Vetting a new x402 API seller","prompt":"Before I start paying this x402 seller for API calls, can you check their MCPFax reliability grade and tell me what subscores and evidence back it up?"},{"title":"Comparing trustworthiness of two sellers","prompt":"I'm deciding between two x402 providers — can you pull the MCPFax credit grades and confidence scores for both so I can compare their reliability?"},{"title":"Automated seller risk check in agent workflow","prompt":"As part of my agent workflow, before routing any paid calls to a new x402 seller, check their MCPFax reliability score and flag them if the grade is below a certain threshold or confidence is low."}],"resultDescription":"Returns a structured reliability assessment including an overall credit-style grade (e.g. A, B, C), individual subscores covering dimensions of seller reliability, a confidence percentage indicating how certain the scoring model is, and cited evidence references supporting the assessment — all specific to the queried x402 seller.","failureModes":["Unknown seller identifier returns no score or a 404-equivalent response","Insufficient data on a new seller results in a low confidence score or null grade","Malformed query parameters cause a 400 bad request error","Payment of 0.002 USDC not received results in 402 Payment Required blocking the response","Seller data may be stale if the underlying change feed has not updated recently"],"whenToPreferThis":"Use this endpoint when you need a structured, evidence-backed trust signal for an x402 seller before routing paid API calls to them. It is specifically designed for the MCPFax/x402 marketplace ecosystem and provides richer detail (subscores + evidence) than a simple pass/fail check. Prefer it over raw change-feed monitoring when you need a synthesized, point-in-time reliability judgment rather than raw event history.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:31:54.025Z","isFirstParty":false}