extract-lesson

Analyze AI session conversations to propose durable updates to roles, skills, and project memory.

1|Updated May 13, 2026
One-click install
npx skills add https://github.com/argen/hornero --skill extract-lesson
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: extract-lesson
Source: https://github.com/argen/hornero/tree/main/skills/extract-lesson
Command: npx skills add https://github.com/argen/hornero --skill extract-lesson

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

The 'extract-lesson' skill solves the issue of applying learnings from sessions to improve the harness and agent performance over time.

Core Features & Use Cases

  • Session Wrap-up Learning: Automatically proposes durable updates based on the conversation's insights.
  • Multi-Role Review: Enhances collaboration by analyzing and addressing recurring delegation mistakes.
  • Bug Fixes and Updates: Identifies root causes of bugs and suggests necessary guardrails.
  • Role and Skill Improvement: Refines the roles and skills of the harness by updating them based on real-world use cases.

Quick Start

After completing a session, let Hornero run the 'extract-lesson' command to analyze the session and propose updates.

Frequently Asked Questions about extract-lesson

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

FAQPage Schema
How do I extract learnings from AI sessions to improve role files and project memory?

Session analysis extracts learnings by reviewing conversation insights to propose durable updates to role files, skills, and project memory. It identifies root causes of bugs and suggests guardrails for continuous harness improvement.

What is a feedback-loop discipline for continuous improvement in AI session analysis?

Feedback-loop discipline turns session learnings into improvements by analyzing conversations and generating durable updates. It refines roles and skills based on real-world use cases to enhance agent performance over time.

Can I analyze multi-role collaboration sessions to address recurring delegation mistakes?

Yes, multi-role review analyzes collaboration sessions to identify and address recurring delegation mistakes. It proposes necessary updates to role files and skills to enhance the harness based on the session's insights.

How do I identify root causes of bugs during a session wrap-up to suggest guardrails?

Bug fix analysis identifies root causes of bugs during session wrap-up by examining the conversation. It automatically proposes durable updates and suggests necessary guardrails to prevent similar issues in future sessions.

Does the extract-lesson skill require any dependencies to run session analysis?

No dependencies are required to run session analysis. The skill operates independently using its internal scripts and references to analyze conversations and propose updates to roles, skills, and project memory.

What's the best way to turn session learnings into durable updates for skill refinement?

The best way is running the extract-lesson command after completing a session. It analyzes the conversation to automatically propose durable updates to role files and project memory for continuous skill refinement.