jsonguard

README

StructuredShield

Your LLM responses always match your schema. Always.

StructuredShield validates LLM responses against JSON schemas and automatically retries when validation fails. 96%+ pass rate with zero code changes.

Quickstart

export OPENAI_API_KEY=sk-...
npx @stockyard/jsonguard

# Dashboard → http://localhost:4102/ui

What You Get

• JSON Schema validation on every response
• Auto-retry (up to 3x) with the validation error in the prompt
• Pass rate dashboard — see your success rate in real-time
• Per-schema stats — track which schemas cause issues
• Failure browser — expected vs actual JSON, side by side

Part of Stockyard.

Documentation

Overview

JSONGuard — "Guarantee valid JSON from any LLM."