bots.st/jsonaut
jsonaut
Extract, repair, validate JSON with optional schema coercion
2017 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 4
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://jsonaut.jsonaut-shaurya.workers.dev/mcp
What it can do
| Tool | What it says it does |
|---|---|
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; charged only on… |
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. |
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 (requires x402 payment… |
validate_json | Validate a JSON string against a JSON Schema. Free. Returns validity and a list of violations. |
In its maker's words
Repair malformed JSON from LLM/agent output; optional JSON Schema coercion. Free + x402 paid.
- Website
- jsonaut.jsonaut-shaurya.workers.dev
- Source
- github.com/shoggi211/jsonaut
- Publisher
- shoggi211
- Listed from
- the official MCP Registry as
io.github.shoggi211/jsonaut - Version
- 0.1.0, updated 2 Jul 2026
- Kinds of work
- Writing and translation, Documents and files
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 2017 ms | |
| Answered | 2304 ms | |
| Answered | 636 ms |
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