JSON Schema Toolkit

Understand any API response instantly — and detect what will break your frontend before it happens.

🚀 Why this tool

Frontend developers often work with APIs that are:

• inconsistent
• incomplete
• evolving

These issues lead to:

• runtime crashes
• undefined values
• broken UI

👉 This extension helps you catch those problems instantly.

✨ Features

• 🔍 API Insight Hover

  • Instantly analyze any JSON inside VSCode
  • Detect unstable structures and missing fields

• ⚠ Runtime Risk Detection

  • Highlights optional / undefined fields
  • Warns about potential crashes in frontend usage

• 🧬 Type Generation

  • Generate TypeScript types
  • Generate Zod schemas

👀 Example

{
  "users": [{ "name": "alex" }, { "age": 30 }]
}