{"uid":"cap_BQ9I_U_mXaBIp5VV6--_-","slug":"json-schema-repair-guard-d36046c3","name":"JSON Schema Repair Guard","description":"Fast AST microservice that strips markdown code fences, fixes trailing commas, repairs unquoted JSON keys, and enforces strict schema validation for AI pipelines.","url":"https://robotshop.up.railway.app/api/v1/products/prod-json-schema-repair-guard/buy?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"client_id":{"type":"string","description":"Optional calling agent or client ID"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_VcrUGn9DbJ-PYI1GE0QRN","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":"Strips markdown code fences, fixes trailing commas, repairs unquoted JSON keys, and validates repaired JSON against a strict schema for AI pipelines.","exampleAgentPrompt":"The LLM just returned a JSON blob wrapped in markdown code fences with a trailing comma and an unquoted key — can you run it through the JSON repair guard to strip the fences, fix the syntax errors, and validate it against the schema?","exampleUseCases":[{"title":"Clean LLM output before database write","prompt":"The AI just gave me back some JSON with backtick code fences and a trailing comma — can you strip the fences, fix the commas, and validate it so I can safely write it to the database?"},{"title":"Fix unquoted keys in agent pipeline","prompt":"My agent pipeline keeps crashing because the model outputs JSON with unquoted keys. Can you repair those keys and enforce schema validation before the next step runs?"},{"title":"Sanitize structured data from AI response","prompt":"I've got an AI response that's supposed to be structured JSON but it's got markdown formatting and syntax errors — can you clean it up and confirm it passes schema validation?"}],"resultDescription":"Returns a schema-validated, syntax-corrected JSON object with markdown code fences removed, trailing commas eliminated, and unquoted keys quoted. May include a validation status or error details if the repaired JSON still fails schema constraints.","failureModes":["JSON too malformed to repair — returns error with details on unparseable content","Schema validation failure after repair — returns repaired JSON alongside schema violation details","Empty or null input — returns validation error","Malformed input that is not JSON at all — returns parse error"],"whenToPreferThis":"Choose this endpoint when your AI pipeline receives LLM-generated JSON that may contain markdown formatting artifacts (code fences), trailing commas, or unquoted keys, and you need both syntax repair and strict schema validation in a single fast call. Ideal for agentic workflows where raw model output must be sanitized before downstream processing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:38:43.029Z","isFirstParty":false,"canonicalSlug":"json-schema-repair-guard-d36046c3"}