fluent-json-schema

JSON →
library 6.0.0 ·javascript
verified Jun 7, 2026

fluent-json-schema is a fluent API to generate JSON Schema (draft-07) documents for Node.js and browsers. Version 6.0.0 is current, with frequent releases following Fastify ecosystem cadence. Framework agnostic, it provides runtime validation of schema keywords and constant reuse from JavaScript values. Alternative to manual schema objects or JSON Schema builders like jsonschema or ajv's schema generation. Ships TypeScript definitions with 100% coverage.