decodingai-magazine /
building-a-coding-agent-from-scratch-course
Learn harness engineering by building Claude Code from scratch. Free, open-source course: 8 articles, 6 videos, 1 codebase.
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In short
A free, open-source course that teaches harness engineering by building a Claude Code-style coding agent in Python, from a basic agent loop to tools, permissions, and evals. Aimed at developers who want to understand how coding agents are built.
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decodingai-magazine / building-a-coding-agent-from-scratch-course
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