everything-claude-code vs harness_engineering

Side-by-side AI skills comparison

everything-claude-code

affaan-m

harness_engineering

Nicolepcx

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Jupyter Notebook

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AI Agents

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Verified

SKILL.md

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ai-agentsanthropicclaudeclaude-codedeveloper-toolsllm

Description

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

This is the corresponding code for the O'Reilly book: Harness Engineering

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