JSON → Schema

JSON → Schema

Infers a JSON Schema from sample JSON payloads. Paste one or more JSON objects and the tool produces a schema that describes their shape—types, required fields, and nested structures. Useful when you have example requests or responses but no formal schema yet.

Use cases

Ideal for wrapping undocumented APIs, migrating from ad-hoc JSON to schema-driven validation, or generating inputSchema for an MCP tool when you only have sample inputs.