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4 repos for from-scratch · Tutorials & Guides · Claude CodeClear
KeWang0622/
agent-zero-to-hero

Build a Claude-Code-shaped agent harness from scratch. 7-week course, 20 chapters, ~5,000 lines of Python, 42 tests, 3 LLM providers, no frameworks.

49
theaiautomators/
claude-code-agentic-rag-masterclass

Build an agentic RAG app from scratch by collaborating with Claude Code. 8-module course covering hybrid search, reranking, text-to-SQL, subagents, and more. React + FastAPI + Supabase.

187
shareAI-lab/
learn-claude-code

Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1

77k