How I use AI (mainly Codex) for coding
29 April 2026 (Updated 7 July 2026)
I’m still not using AI heavily to write a lot of code. I use it mostly for understanding new concepts. But this page documents the ways I currently use it.
- Use Codex ‘s
/planmode to get the agent to initially plan the work instead of jumping straight to implementation. This planning phase allows you to narrow down the requirements to something more precise. - Use Codex’s
/reviewcommand to review your changes against a base branch before creating the PR on GitHub. - Ask Codex to summarise your changes so you can put the summary into the PR description.
- When designing database tables for a new feature, ask it to review your design and suggest any improvements.
- Every few weeks or so, ask it to find dead code that can be safely removed.
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AI