Repair broken LLM JSON and check it against a JSON Schema. Flags cut-off output. Free trial.
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Repair malformed JSON produced by an LLM or agent (trailing commas, missing quotes, code fences, chatty text around the JSON, <think> blocks, double-encoded JSON) and check the result against a JSON Schema. Returns the repaired value, what was changed, what could not be fixed (unresolved_errors), and `truncated: true` when the input looks cut off (e.g. by a token limit) so you can retry instead of trusting it. It never invents missing data. Free trial, no signup: 20 calls per client per day, 20000 characters per call.
The raw model output (a string), or an already-parsed object/array.
A JSON Schema (draft 2020-12) describing the desired shape.
This tool isn't marked read-only, so it may change something on the server or in an account you connected.
Repair malformed JSON produced by an LLM or agent (trailing commas, missing quotes, code fences, chatty text around the JSON, <think> blocks, double-encoded JSON) and check the result against a JSON Schema. Returns the repaired value, what was changed, what could not be fixed (unresolved_errors), and `truncated: true` when the input looks cut off (e.g. by a token limit) so you can retry instead of trusting it. It never invents missing data. Free trial, no signup: 20 calls per client per day, 20000 characters per call.
| Argument | Type | Description |
|---|---|---|
| data* |
| any |
| The raw model output (a string), or an already-parsed object/array. |
| schema* | object | A JSON Schema (draft 2020-12) describing the desired shape. |
{
"type": "object",
"required": [
"data",
"schema"
],
"properties": {
"data": {
"description": "The raw model output (a string), or an already-parsed object/array."
},
"schema": {
"type": "object",
"description": "A JSON Schema (draft 2020-12) describing the desired shape."
}
}
}