ty is Built with AI

Tool creators are building their tools with AI coding assistants.

Boris Cherny, creator of Claude Code, didn’t open an IDE in December but wrote 200 PRs with Claude Code. Charlie Marsh, creator of ruff, uv, and ty, noted that all his PRs to ty were created with Claude Code. The tools building themselves.

Integration with Python Tooling

The handbook’s Modern Python Project Setup Guide for AI Assistants provides structured guidance so AI tools default to uv and modern patterns rather than falling back to pip commands.

For Claude Code specifically, hooks and interceptors enforce these patterns automatically.

How Are You Using AI?

I wrote about my use of AI tools at the end of 2025. How are AI tools impacting your Python development? Drop me a note below.