Jsonaut

Last 30 days

Uptime

100%

Response time

142 ms typical, 142 ms slowest 5%

Last check

4 h ago

Next check

in 2 h

How to call it

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "jsonaut": {
      "type": "http",
      "url": "https://jsonaut.jsonaut-shaurya.workers.dev/mcp"
    }
  }
}

4 tools

• repair_json

  Repair 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 (requir

• validate_json

  Validate a JSON string against a JSON Schema. Free. Returns validity and a list of violations.

• extract_json

  Extract 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; ch

• infer_schema

  Infer 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.

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