everything-claude-code vs learn-harness-engineering

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everything-claude-code

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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.

Harness engineering beginner tutorial, from 0 to 1

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