{"uid":"cap__SoR4ZK_uZHDmixfUytJA","slug":"x402broker-com-deterministic-a2a-broken-json-repair-schema-validator-e1d828e1","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://x402broker.com/v1/json-normalizer)","url":"https://x402broker.com/v1/json-normalizer?utm_source=zero.xyz","method":"POST","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_jUl7kecSlp27-8EnPcrrp","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"x402broker.com","brandSlug":"x402broker-com-mpp","brandBaseUrl":"https://x402broker.com","brandDocsUrl":null,"whatItDoes":"Repairs malformed, truncated, or markdown-wrapped LLM JSON outputs (trailing commas, single quotes, fences) into valid JSON so multi-agent pipelines don't crash.","exampleAgentPrompt":"This LLM output is broken JSON — it has trailing commas and markdown backtick fences — can you repair it into valid JSON so my pipeline doesn't crash? Here's the raw string: ```{\"name\": \"Alice\", \"age\": 30,}```","exampleUseCases":[{"title":"Fixing LLM output in agent pipeline","prompt":"The language model just returned this malformed JSON with a trailing comma and backtick fences — can you clean it up into valid JSON so the next step in my workflow doesn't break? Raw output: ```{\"status\": \"ok\", \"score\": 0.95,}```"},{"title":"Sanitizing single-quoted JSON from chatbot","prompt":"My chatbot agent returned JSON using single quotes instead of double quotes and it's crashing my parser — can you normalize this into proper JSON? Here it is: {'user': 'bob', 'active': true}"},{"title":"Recovering truncated JSON from streaming LLM","prompt":"The streaming LLM cut off mid-response and I have a truncated JSON object — can you repair it into the most complete valid JSON possible? The broken string is: {\"items\": [{\"id\": 1, \"name\": \"widget\"}, {\"id\": 2"}],"resultDescription":"A repaired, valid JSON object corrected from the malformed input — with trailing commas removed, markdown fences stripped, single quotes converted to double quotes, and truncated structures closed — ready for downstream parsing and consumption.","failureModes":["Input is so severely malformed it cannot be deterministically repaired — returns error with explanation","Input contains non-JSON content entirely (e.g. plain text with no JSON structure) — may return parse error","Truncated JSON where the intended structure is ambiguous — repair may not match original intent","Payment failure via x402 protocol — returns 402 status","Empty or whitespace-only raw_json input — returns validation error"],"whenToPreferThis":"Choose this endpoint when your multi-agent or LLM pipeline regularly receives broken JSON (trailing commas, markdown fences, single quotes, truncation) and needs a deterministic, cheap ($0.002/call) repair step rather than asking the LLM to retry. Ideal for production pipelines where reliability and cost predictability matter more than probabilistic LLM re-generation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:32:28.231Z","isFirstParty":false,"canonicalSlug":"x402broker-com-deterministic-a2a-broken-json-repair-schema-validator-c53712d8"}