Build a coding agent in 500 lines (Pure Python, No Vector DBs)

Show HN: Build a coding agent in 500 lines (Pure Python, No Vector DBs)

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I maintain jq (jqlang). I tend to like tools that are simple, composable, and transparent.Recently, I started exploring AI agents, but got frustrated with the state of the ecosystem. Most tutorials and frameworks (LangChain, AutoGPT, etc.) felt like black boxes that added unnecessary layers of abstraction. Debugging a "ReasoningEngine" when it hallucinated was a nightmare.I wanted to see if I could build a production-grade coding agent from first principles, using nothing but standard Python libraries.I turned that experiment into a book: https://buildyourowncodingagent.comThe philosophy is "Zero Magic." We build an agent called "Nanocode" using:- Pure Python (no frameworks, no SDKs) - reque

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Website: buildyourowncodingagent.comThe