instructor

Extract and validate structured data from LLM responses using Pydantic models.

6|5|Updated May 7, 2026
One-click install
npx skills add https://github.com/wubq511/ProjectFlow --skill instructor-wubq511
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: instructor
Source: https://github.com/wubq511/ProjectFlow/tree/main/SkillPack/instructor
Command: npx skills add https://github.com/wubq511/ProjectFlow --skill instructor-wubq511

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires instructor, pydantic, openai, anthropic, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps in automating the process of extracting and validating structured data from LLM responses using Pydantic. It offers automatic retries on failed extractions and parsing of complex JSON with type safety.

Core Features & Use Cases

  • Structured Data Extraction: Extract data from LLM responses with Python type hints and Pydantic validation.
  • Retry Mechanism: Automatically retry failed extractions to improve accuracy.
  • Type Safety and Validation: Ensure accurate parsing and validation of JSON responses.
  • Use Case: Extract and validate user data from an LLM response with defined data structure and types.

Quick Start

Run the command 'instructor' to automatically extract and validate structured data from LLM responses.

Frequently Asked Questions about instructor

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I extract structured data from LLM responses using Pydantic?

You can extract structured data from LLM responses by defining Python type hints and Pydantic models to validate the parsed JSON, ensuring accurate type safety for your AI workflows.

What is the best way to handle validation failures when parsing JSON from language models?

Handling validation failures during JSON parsing is achieved through an automatic retry mechanism that re-attempts extraction from the language model response until the data matches the predefined Pydantic validation rules.

Can I use OpenAI and Anthropic models for structured data extraction with type safety?

Yes, structured data extraction with type safety supports both OpenAI and Anthropic models, allowing you to validate LLM responses against predefined Pydantic models and automatically retry on validation failures.

How does Pydantic validation work for complex JSON parsing in LLM workflows?

Pydantic validation for complex JSON parsing works by enforcing Python type hints on extracted language model responses, verifying the structured data against predefined schemas and retrying failed extraction attempts to guarantee accuracy.

Why should I use structured data extraction for AI workflows instead of plain text responses?

Structured data extraction is necessary for AI workflows requiring high precision, as it enforces type safety and validates complex JSON outputs against Pydantic models, eliminating parsing errors common with unstructured plain text responses.