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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 github-audit.agentdiet.dev, paid per call via MPP, $0.002/call, status unknown (last checked 2026-10-21).
Repairs truncated or malformed LLM-generated JSON (trailing commas, markdown fences, single quotes) to prevent multi-agent pipeline crashes
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://github-audit.agentdiet.dev/v1/json-validator)
Output
Returns a repaired, syntactically valid JSON object with malformed elements corrected — trailing commas removed, markdown fences stripped, single quotes converted to double quotes, and truncated structures closed — ready for use in downstream agent or pipeline steps.
Example use cases
LLM output pipeline repair
“My language model returned this JSON but it has trailing commas and single quotes instead of double quotes, and it's wrapped in a markdown code block — can you fix it so my downstream agent can parse it without crashing?”
Multi-agent data handoff sanitization
“Before I pass this JSON payload from Agent A to Agent B, can you clean it up? It looks truncated and has some syntax issues that will break the receiving agent.”
Automated JSON validation in CI workflow
“I need to validate and repair this JSON string that came out of my automated agent run — it might have formatting issues or be cut off. Fix whatever's wrong so it conforms to valid JSON.”
Technical details
Endpoint
GEThttps://github-audit.agentdiet.dev/v1/json-validator?utm_source=zero.xyzWhen to prefer
Choose this endpoint when your multi-agent pipeline receives LLM-generated JSON that may contain common syntax errors like trailing commas, markdown code fences, or single quotes, and you need a deterministic (non-AI, non-probabilistic) repair rather than asking another LLM to fix it. Particularly valuable in production pipelines where reliability and predictability matter more than creative reconstruction.
Side effects
- Input JSON is so severely malformed it cannot be deterministically repaired — returns error
- Input string is not JSON at all (e.g. plain text or binary) — validation fails
- Truncation is too severe to infer intended structure — ambiguous repair result
- Payment not processed via x402 — 402 response returned before repair attempt
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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