{"uid":"cap_uBmWsa3teRCAMp008TJVk","slug":"alpha-stream-agentdiet-dev-deterministic-llm-json-repair-schema-463fe891","name":"Deterministic LLM 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/llm-json-schema-healer)","url":"https://alpha-stream.agentdiet.dev/v1/llm-json-schema-healer?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__UFcNKtz0VcpWmEVPhxUn","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-generated JSON (trailing commas, markdown fences, single quotes) so multi-agent pipelines can parse outputs without crashing.","exampleAgentPrompt":"The JSON that came back from the last LLM call is broken — it has trailing commas and markdown fences wrapping it. Can you send it through the JSON healer and give me the clean, parseable version?","exampleUseCases":[{"title":"Fixing broken LLM pipeline output","prompt":"The structured data my AI pipeline just returned has trailing commas and single quotes instead of double quotes — can you repair it so it parses cleanly?"},{"title":"Stripping markdown fences from agent response","prompt":"This agent output came back wrapped in triple-backtick code fences with some extra commas. Can you clean it up and give me valid JSON I can actually use?"},{"title":"Recovering truncated JSON from a crashed agent","prompt":"My agent got cut off mid-response and returned incomplete JSON. Can you try to repair and complete it so downstream tools don't crash?"}],"resultDescription":"Returns a JSON object containing the repaired, valid JSON reconstructed from the malformed input — with trailing commas removed, markdown fences stripped, single quotes normalized to double quotes, and truncated structures closed — ready for downstream parsing.","failureModes":["Input JSON is so severely malformed it cannot be deterministically repaired — returns error with partial repair attempt","Input is not JSON at all (plain text, binary) — returns validation error","Ambiguous truncation where multiple valid completions exist — may return best-guess repair","Empty raw_json string — returns schema validation error"],"whenToPreferThis":"Choose this endpoint when your multi-agent pipeline receives LLM-generated JSON that fails standard JSON.parse() — especially outputs with trailing commas, markdown code fences, single-quoted keys/values, or truncated structures. Prefer it over generic retry logic when deterministic, non-stochastic repair is needed to keep pipelines stable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:59.206Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-deterministic-llm-json-repair-schema-463fe891"}