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learn-claude-code Surges to 62K Stars — Build a Claude Code-Like Agent Harness From Scratch
shareAI-lab's learn-claude-code repository teaches developers to build an entire agent harness from zero, reverse-engineering Claude Code's architecture: the agent loop, tool registration, skill loading, context compaction, subagent spawning, and permission governance. At 62,482 stars and 10,057 forks, it's become the de facto educational resource for understanding how production agentic coding tools work under the hood. The core thesis — 'Bash is all you need' — frames the agent harness as a vehicle for model agency, not a replacement for it.
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