instructor

Extract structured data from LLM responses with Pydantic validation and automatic retries.

150|25|Updated Apr 20, 2026
One-click install
npx skills add https://github.com/Devsoul2026/Hermes-One-Click --skill instructor-devsoul2026
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: instructor
Source: https://github.com/Devsoul2026/Hermes-One-Click/tree/main/hermes-agent/optional-skills/mlops/instructor
Command: npx skills add https://github.com/Devsoul2026/Hermes-One-Click --skill instructor-devsoul2026

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

LLM responses often present unstructured text that requires reliable parsing and validation. This Skill enables automated extraction with Pydantic-based validation and retry logic, reducing manual data-cleaning and ensuring consistent data schemas.

Core Features & Use Cases

  • Automatic extraction of structured data from prompts and conversations with type validation.
  • Automatic retries on validation failures and streaming partial results for real-time processing.
  • Multi-provider support (OpenAI, Anthropic) with a consistent API and robust error handling.
  • Use cases include extracting user profiles, transaction records, or event data from chats and prompts.

Quick Start

Prompt the AI to extract a User model from a chat message and validate it with Pydantic; retries occur automatically on validation failures.

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 with Pydantic validation?

To extract structured data from LLM responses, this Skill automates parsing and applies Pydantic validation to ensure consistent schemas. It reduces manual data-cleaning by automatically retrying extractions until the output matches your defined types.

What is the best way to stream partial structured outputs from an LLM?

Streaming partial structured outputs from an LLM is handled by processing real-time chunks with Pydantic validation. This allows you to consume incomplete data objects progressively as the model generates them.

Does this structured output extraction tool work with both OpenAI and Anthropic models?

Yes, structured output extraction works with both OpenAI and Anthropic models. It provides a consistent API across multiple providers while maintaining robust error handling and automated retries.

Why do I need Pydantic validation to parse complex JSON from LLM outputs?

You need Pydantic validation to parse complex JSON because LLM responses often present unstructured text requiring reliable type safety. Validation ensures extracted data conforms to exact schemas, automatically retrying upon failure.

How do I automatically retry failed data extraction from chat conversations?

To automatically retry failed data extraction from chat conversations, the Skill intercepts validation errors and prompts the LLM again. This retry logic ensures correctly structured user profiles or transaction records without manual intervention.