What Tools Do AI Coding Assistants Actually Use?
How Claude Code, Codex CLI, and Aider read files, search codebases, run tests, and commit code — under the hood
AI coding assistants feel like magic. You type "add a login form to the dashboard," and the tool finds the right files, writes the component, checks that it compiles, runs your tests, and shows you a git diff. But there’s no magic involved — just a loop calling the same Unix shell tools that have been on your machine for decades.
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