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Deterministic A2A Broken-JSON Repair & Schema Validator
Deterministic A2A Broken-JSON Repair & Schema Validator is a paid API for AI agents from workflows.agentdiet.dev, paid per call via MPP, $0.002/call, status unknown (last checked 2026-10-21).
Repairs truncated or malformed LLM JSON outputs (trailing commas, markdown fences, single quotes) so multi-agent pipelines never crash.
Price / call$0.002
Success—
StatusUnknown
How this service works
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://workflows.agentdiet.dev/v1/structured-output)
Output
A repaired, valid JSON object with all syntax errors corrected — trailing commas removed, markdown fences stripped, single quotes converted to double quotes, and truncated structures closed — ready for direct use in downstream agent pipelines.
Example use cases
Fix crashing multi-agent pipeline
“My agent pipeline keeps crashing because the upstream LLM is returning JSON with trailing commas and sometimes wrapped in markdown code fences. Can you clean up this broken output so it parses correctly: ```{"status": "ok", "items": [1, 2, 3,],}```?”
Repair truncated LLM structured output
“The LLM cut off mid-response and I got a truncated JSON object that's missing its closing brackets. Can you deterministically repair this so I can keep processing: {"user": "bob", "score": 42, "tags": ["a", "b"”
Sanitize single-quoted JSON before database insert
“I have a JSON string that uses single quotes instead of double quotes coming from an LLM response — it's failing validation before I can insert it. Can you fix it to proper JSON? Here it is: {'product': 'widget', 'price': 9.99, 'available': true}”
Technical details
Endpoint
GEThttps://workflows.agentdiet.dev/v1/structured-output?utm_source=zero.xyzWhen to prefer
Choose this endpoint when your multi-agent pipeline receives LLM-generated JSON that fails standard parsing due to common issues like trailing commas, markdown code fences, single quotes, or truncation. It is deterministic (not generative), making it reliable for production pipelines where consistency matters. Prefer it over ad-hoc prompt engineering or regex hacks when you need a robust, paid, auditable repair step in an automated workflow.
Side effects
- JSON is so severely malformed it cannot be deterministically repaired — returns error
- Input is not JSON at all (e.g. plain text or binary) — repair cannot be attempted
- raw_json parameter missing or empty — returns 400 validation error
- Payment not completed via x402 — returns 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| raw_jsonrequired | string | Malformed, truncated, or markdown-wrapped JSON string to deterministically repair |
Output
Schema · Response
{
"type": "object"
}Reviews
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