Simon Willison's Weblog

Quoting Benedict Evans

If people are only using this a couple of times a week at most, and can’t think of anything to do with it on the average day, it hasn’t changed their life. OpenAI itself admits the problem,

Claude Code Remote Control

Claude Code Remote Control (https://code.claude.com/docs/en/remote-control) New Claude Code feature dropped yesterday: you can now run a "remote control" session on your computer and then use the

Quoting Kellan Elliott-McCrea

It’s also reasonable for people who entered technology in the last couple of decades because it was good job, or because they enjoyed coding to look at this moment with a real feeling of loss. That

Linear walkthroughs

Agentic Engineering Patterns (https://simonwillison.net/guides/agentic-engineering-patterns/) > Sometimes it's useful to have a coding agent give you a structured walkthrough of a codebase.

go-size-analyzer

go-size-analyzer (https://github.com/Zxilly/go-size-analyzer) The Go ecosystem is really good at tooling. I just learned about this tool for analyzing the size of Go binaries using a pleasing

First run the tests

Agentic Engineering Patterns (https://simonwillison.net/guides/agentic-engineering-patterns/) > Automated tests are no longer optional when working with coding agents. The old excuses for not

Writing code is cheap now

Agentic Engineering Patterns (https://simonwillison.net/guides/agentic-engineering-patterns/) > The biggest challenge in adopting agentic engineering practices is getting comfortable with the

Quoting Paul Ford

The paper asked me to explain vibe coding, and I did so, because I think something big is coming there, and I'm deep in, and I worry that normal people are not able to see it and I want them to be

Quoting Summer Yue

Nothing humbles you like telling your OpenClaw “confirm before acting” and watching it speedrun deleting your inbox. I couldn’t stop it from my phone. I had to RUN to my Mac mini like I was

Reply guy

The latest scourge of Twitter is AI bots that reply to your tweets with generic, banal commentary slop, often accompanied by a question to "drive engagement" and waste as much of your time as

Red/green TDD

Agentic Engineering Patterns (https://simonwillison.net/guides/agentic-engineering-patterns/) > "Use red/green TDD" is a pleasingly succinct way to get better results out of a coding agent. TDD