SMRTR ProgrammingJun 22, 2026MathsPP Blog

Write a coding agent from first principles

SMRTR summary

Build a coding agent from scratch using Python and the Claude API, starting with basic LLM interaction and progressively adding conversation context, user commands, and tool calling. The tutorial walks through implementing five tools — read, write, replace, insert, and bash — giving the agent real ability to read, write, and execute code on your machine.

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