{"uid":"cap_BBxMTCoSahs3Qn8opeuYl","slug":"alpha-stream-agentdiet-dev-deterministic-a2a-broken-json-repair-b0f91325","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://alpha-stream.agentdiet.dev/v1/json-fix)","url":"https://alpha-stream.agentdiet.dev/v1/json-fix?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_I1rNaAHi7fpXiQhO1HNFn","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"alpha-stream.agentdiet.dev","brandSlug":"alpha-stream-agentdiet-dev-mpp","brandBaseUrl":"https://alpha-stream.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 came back from the LLM and it's broken — it has trailing commas, single quotes, and a markdown code fence wrapping it. Can you run it through the JSON repair service and give me back valid, parseable JSON? Here's the raw string: ```json {'name': 'Alice', 'age': 30,}```","exampleUseCases":[{"title":"LLM pipeline JSON crash recovery","prompt":"My AI pipeline just got back this malformed JSON from the model and it's crashing my parser — it has trailing commas and is wrapped in markdown fences. Can you fix this raw string so it's valid JSON I can actually use: ```json {\"user\": \"bob\", \"score\": 42,}```"},{"title":"Multi-agent data handoff repair","prompt":"One of my agents passed a JSON payload to the next stage but it used single quotes and got truncated mid-string, so the downstream agent can't read it. Fix this broken JSON for me: {'task': 'summarize', 'input': 'hello world'"},{"title":"Automated QA for LLM output validation","prompt":"I'm building a QA check for all JSON outputs coming out of my language model before they hit the database. Run this potentially malformed JSON through your repair and validation service and return the corrected version: {\"items\": [1, 2, 3,], \"status\": 'ok'}"}],"resultDescription":"Returns a JSON object containing the repaired, valid JSON — with trailing commas removed, markdown fences stripped, single quotes converted to double quotes, and truncated structures closed — ready for downstream parsing without errors.","failureModes":["JSON is so severely malformed it cannot be deterministically repaired — returns error","Input string is empty or not JSON-like at all — returns validation error","Truncation is too deep to infer closing structure — may return partial repair with warning","Rate limiting or payment failure via x402 — returns 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when your multi-agent pipeline or LLM workflow produces JSON that fails standard parsing due to common LLM output artifacts like trailing commas, markdown code fences, or single quotes. It is especially suited for deterministic, reproducible repair (no AI hallucination in the fix) and integrates natively with x402 micropayment and MCP/A2A protocols.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:41:45.986Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-deterministic-a2a-broken-json-repair-8a0f4dea"}