{"uid":"cap_s8U-DyIdaZIP7YsQL1uRn","slug":"genesis-agent-tools-json-schema-drift-detector-123d41ed","name":"GENESIS Agent Tools — JSON Schema Drift Detector","description":"Pay-per-call x402 APIs for autonomous agents on Base USDC: API compatibility analysis, bounded HTTP/JSON workflows, URL evidence analysis, crypto price consensus, and agent/MCP readiness checks.","url":"https://genesis-agent-tools.genesisagenttools.workers.dev/api/tools/json-schema-drift?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["current","previous"],"properties":{"current":{"type":"object"},"previous":{"type":"object"}}},"responseSchema":{"type":"object","properties":{"pass":{"type":"boolean"},"breaking_change_count":{"type":"number"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_OSCXcQzBQJpzq5phikE5Q","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Compares two JSON schemas to detect breaking changes and API compatibility drift between versions","exampleAgentPrompt":"Can you check whether my updated API schema still passes backward compatibility — the current schema has removed the 'userId' field and changed 'amount' from string to number, compared to the previous version that had both?","exampleUseCases":[{"title":"Pre-deploy API compatibility gate","prompt":"Before I ship this new version of my API, check if my updated JSON schema breaks any existing clients — here's the current schema and the previous one I want to compare against."},{"title":"CI pipeline breaking-change check","prompt":"As part of my automated release process, compare these two JSON schemas and tell me how many breaking changes were introduced so I can decide whether to block the deployment."},{"title":"Third-party integration audit","prompt":"I'm reviewing a vendor's new API version — can you compare their old schema to the new one they sent me and report whether it passes backward compatibility and how many breaking changes there are?"}],"resultDescription":"Returns a JSON object with a boolean 'pass' field indicating whether the schema update is backward compatible, and a 'breaking_change_count' number indicating how many breaking changes were detected between the current and previous schemas.","failureModes":["Missing 'current' or 'previous' fields in request body returns validation error","Malformed or non-object schemas may cause parsing errors","Payment failure via x402 protocol blocks request execution","Ambiguous schema structures may produce conservative (higher) breaking change counts"],"whenToPreferThis":"Choose this endpoint when you need a fast, pay-per-call API compatibility check without standing up your own schema diffing infrastructure. Ideal for AI agents that autonomously gate deployments, audit third-party API changes, or enforce compatibility policies in CI/CD pipelines. The x402 micropayment model makes it suitable for low-frequency, on-demand checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:50:24.549Z","isFirstParty":false,"canonicalSlug":"genesis-agent-tools-json-schema-drift-detector-123d41ed"}