Repair malformed JSON from LLM/agent output; optional JSON Schema coercion. Free + x402 paid.
Connect Remote server
claude mcp add --transport http jsonaut https://jsonaut.jsonaut-shaurya.workers.dev/mcp
{
"mcpServers": {
"jsonaut": {
"url": "https://jsonaut.jsonaut-shaurya.workers.dev/mcp"
}
}
}
{
"servers": {
"jsonaut": {
"type": "http",
"url": "https://jsonaut.jsonaut-shaurya.workers.dev/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://jsonaut.jsonaut-shaurya.workers.dev/mcp
Tools 4 found in our last check
repair_jsonRepair malformed JSON (trailing commas, single quotes, truncation, markdown fences, comments, python literals) and optionally validate/coerce it against a JSON Schema. Deterministic repair is free. If it fails and allow_llm_fallback is true, a paid LLM repair is attempted (requi…
validate_jsonValidate a JSON string against a JSON Schema. Free. Returns validity and a list of violations.
extract_jsonExtract JSON embedded in arbitrary text — LLM prose, chat messages, logs, emails — then repair and validate it. Deterministic extraction is free. If no JSON can be located and allow_llm_fallback is true, a paid LLM extracts structured data from the text (requires x402 payment; c…
infer_schemaInfer a JSON Schema (draft 2020-12) from an example JSON value. Free and deterministic. Set as_samples=true when the input is an array of example objects of the same shape to merge them into one schema. Turns sample agent/tool output into a reusable schema.
Details
| Endpoint | https://jsonaut.jsonaut-shaurya.workers.dev/mcp (Streamable HTTP) |
| First published | 2 Jul 2026 |
| Last updated | 2 Jul 2026 |
| Registry name | io.github.shoggi211/jsonaut |
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