The AI Friday Brief
Starlette 1.0 shipped—the web framework underneath FastAPI that's been running in production for years. Christopher Meiklejohn wrote up teaching Claude to do mobile app QA testing, showing real work instead of toy examples. Revise launched as a Show HN—an AI-powered document editor. The Rust project collected perspectives on AI from contributors and maintainers, interesting spread of views.
Releases & New Tools
Starlette 1.0
Starlette 1.0 is out. It's the web framework that powers FastAPI, along with a bunch of other tools. Kim Christie started it in 2018. A lot of production code runs on Starlette even if developers don't realize it—this is a bigger deal than it looks.
Simon Willison
Revise – An AI Editor for Documents
Show HN for an AI-powered document editor. Clean interface for editing with AI assistance.
Hacker News
Sashiko: AI-powered code review for the Linux kernel
Sashiko is an AI-powered code review tool built specifically for the Linux kernel. Very niche, very specific use case.
Hacker News
AI in Practice
Teaching Claude to QA a Mobile App
Christopher Meiklejohn wrote up teaching Claude to do QA testing on a mobile app. Real practical application of AI to actual development work, not a toy demo. Good writeup of the process.
Hacker News
Merge State Visualizer
Bram Cohen wrote about a new approach to version control, illustrated with 470 lines of Python. Simon fed it to Claude and got an interactive browser demo for exploring the algorithms. Good example of making academic concepts tangible.
Simon Willison
PCGamer Article Performance Audit
PC Gamer published a 37MB article that kept downloading, adding hundreds more megabytes from auto-playing video ads. Simon used Claude Code and Rodney to audit what was happening. Practical use of AI tools to debug absurd web performance.
Simon Willison
Worth Reading
Diverse Perspectives on AI from Rust Contributors
Niko Matsakis collected views on AI from Rust project contributors and maintainers. Wide range of opinions on how AI affects development work, what's useful, what's concerning. Thoughtful takes from people actually building things.
Hacker News
Also
- DNS Lookup Tool — Simon had Claude build a UI for a DNS lookup tool
- JavaScript Sandboxing Research — Claude Code comparison of different ways to safely run untrusted JavaScript
- A Visual Guide to Attention Variants in Modern LLMs — Visual reference for how different AI models process information internally.
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