{"uid":"cap_YVr6Rx9ZnldCaqT2EXC_n","slug":"mesh-agentdiet-dev-deterministic-a2a-broken-json-repair-schema-43a0c500","name":"Deterministic A2A Broken-JSON Repair & Schema Validator","description":"Repairs truncated or malformed LLM JSON outputs (trailing commas, markdown fences, single quotes) so multi-agent pipelines never crash. (Live x402 v2, IETF MPP & MCP endpoint at https://mesh.agentdiet.dev/v1/json-validator)","url":"https://mesh.agentdiet.dev/v1/json-validator?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["raw_json"],"properties":{"raw_json":{"type":"string","minLength":1,"description":"Malformed, truncated, or markdown-wrapped JSON string to deterministically repair"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IHJeuOzVzChKKu9BI0TCU","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mesh.agentdiet.dev","brandSlug":"mesh-agentdiet-dev-mpp","brandBaseUrl":"https://mesh.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Repairs truncated or malformed LLM JSON outputs (trailing commas, markdown fences, single quotes) so multi-agent pipelines never crash","exampleAgentPrompt":"This JSON string came back from an LLM and it's broken — it has trailing commas, markdown code fences, and single quotes — can you repair it and give me back valid JSON? Here it is: ```json {'name': 'Alice', 'age': 30,}```","exampleUseCases":[{"title":"Fixing LLM pipeline JSON crashes","prompt":"My agent just returned this malformed JSON with trailing commas and backtick fences and it's crashing my pipeline — can you repair it so I can parse it properly? Here it is: ```json {\"user\": \"Bob\", \"score\": 95,}```"},{"title":"Sanitizing single-quoted AI output","prompt":"The language model returned JSON using single quotes instead of double quotes and it won't parse — can you fix this string and give me back valid JSON: {'product': 'Widget', 'price': 9.99, 'available': true}"},{"title":"Recovering truncated LLM response","prompt":"My LLM response got cut off mid-JSON and now it won't parse — can you repair this truncated output and return the best valid JSON you can reconstruct from it: {\"items\": [\"apple\", \"banana\", \"cherry\""}],"resultDescription":"A repaired, well-formed JSON object or string that has had issues such as trailing commas, markdown code fences, single quotes, and truncation corrected, making it safe to parse downstream in agent pipelines","failureModes":["Input JSON is so severely malformed that deterministic repair is impossible — returns error indicating unrecoverable structure","Empty or whitespace-only raw_json input — validation error on minLength constraint","Non-JSON input (e.g. plain prose) passed as raw_json — may return error or attempt best-effort repair","Payment failure via x402 micropayment protocol — 402 response requiring payment before processing"],"whenToPreferThis":"Choose this endpoint when you need deterministic, rule-based JSON repair (not probabilistic LLM-based rewriting) for LLM outputs in automated multi-agent pipelines where reliability and consistency matter. It is ideal when JSON outputs contain common LLM formatting artifacts like markdown fences, trailing commas, or single quotes. Prefer it over ad-hoc string manipulation when you need a robust, pipeline-safe solution that won't introduce new errors.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:17.564Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-deterministic-a2a-broken-json-repair-schema-ae3fa643"}