Instructor Structured Data Extraction from LLMs

Instructor is a multi-language library for extracting structured, validated data from LLM outputs. It patches LLM client libraries to return Pydantic models (Python) or Zod schemas (TypeScript) instead of raw text, supporting 15+ providers including OpenAI, Anthropic, and Google.

Installation

Use the upstream install or setup path that matches your environment:

• pip install instructor
• uv add instructor

Requirements and caveats from upstream:

• python
• Python - The original
• Documentation - Comprehensive guides

Basic usage or getting-started notes:

• bash

• Or with your package manager:

• poetry add instructor

• Source: https://github.com/567-labs/instructor

• Extracted from upstream docs: https://raw.githubusercontent.com/567-labs/instructor/HEAD/README.md

Source

• Agent Skill Exchange