v1.0.0 - Initial Release

schema-sentinel v1.0.0

Know when your APIs change before your users do.

Features

• Schema inference engine (JSON, XML, GraphQL) with format detection
• Schema diff engine detecting 10 types of drift with severity levels
• Multi-format report generator (Console, JSON, Markdown, HTML)
• File-based snapshot store with versioning
• CLI tool with 6 commands: snapshot, check, diff, list, history, watch
• Watch mode with Slack/webhook alerts for monitoring third-party APIs
• Backward compatibility scoring (0-100%)
• CI/CD exit codes for pipeline gating

Integration Examples

• Jest, Mocha, Playwright, Cypress, Supertest (JS/TS - direct import)
• Karate, REST Assured (Java - CLI bridge)
• pytest (Python - CLI bridge)
• Postman/Newman (CLI pipeline)

Install

npm install schema-sentinel

Quick Start

import { SchemaGuard } from 'schema-sentinel';
const guard = new SchemaGuard({ store: './schemas' });
const report = await guard.check('GET /users/:id', responseData);

Stats

• 101 tests passing
• 39.8 KB package size
• Zero-config: no OpenAPI spec required