Reverse-engineering is cheap now 🔗
<p>I keep hearing anecdotes from people who used coding agents to reverse-engineer and automate devices in their homes.</p> <p>I think this is an [...]
Simon Willison's Weblog
Posts
Who’s Afraid of Chinese Models? 🔗
<p><strong><a href="https://stratechery.com/2026/whos-afraid-of-chinese-models/">Who’s Afraid of Chinese Models?</a></strong></p> Interesting pr [...]
Quoting Sam Altman 🔗
<blockquote cite="https://twitter.com/techemails/status/2078854346683678927"><p>We have been having extensive discussions around open source stra [...]
AI Mania Is Eviscerating Global Decision-Making 🔗
<p><strong><a href="https://ludic.mataroa.blog/blog/ai-mania-is-eviscerating-global-decision-making/">AI Mania Is Eviscerating Global Decision-M [...]
Claude Code uses Bun written in Rust now 🔗
<p>In <a href="https://bun.com/blog/bun-in-rust">Rewriting Bun in Rust</a> Jarred Sumner made the following claim:</p> <blockquote> <p>Claude Cod [...]
SQLite Query Explainer 🔗
<p><strong>Tool:</strong> <a href="https://tools.simonwillison.net/sqlite-query-explainer">SQLite Query Explainer</a></p> <p>Jul [...]
Claude make Fable 5 permanent 🔗
<p><strong><a href="https://twitter.com/claudeai/status/2078302415804379218">Claude make Fable 5 permanent</a></strong></p> An update from the < [...]
nascheme/quixote 🔗
<p><strong><a href="https://github.com/nascheme/quixote">nascheme/quixote</a></strong></p> A certain vintage of Python web nerd might be delight [...]
Quoting Kimi K3 🔗
<blockquote cite="https://news.ycombinator.com/item?id=48935342#48936515"><p>Is there something I can actually help you with today?</p></blockquo [...]
LLM cliché highlighter 🔗
<p><strong>Tool:</strong> <a href="https://tools.simonwillison.net/llm-cliche-highlighter">LLM cliché highlighter</a></p> <p>I g [...]
Spot birds not golf 🔗
<p>Suggestion for hyperscalers feeling pressure over data center water use:</p> <p>Buy up a few exclusive country clubs, convert the golf courses [...]
Firefox in WebAssembly 🔗
<p><strong><a href="https://developer.puter.com/labs/firefox-wasm/">Firefox in WebAssembly</a></strong></p> This is absurdly cool: Puter compile [...]
Kimi K3, and what we can still learn from the pelican benchmark 🔗
<p>Chinese AI lab Moonshot AI <a href="https://www.kimi.com/blog/kimi-k3">announced Kimi K3</a> this morning, describing it as their "most capabl [...]
Quoting Thibault Sottiaux 🔗
<blockquote cite="https://twitter.com/thsottiaux/status/2077630111499882637"><p>On file deletions. We’ve investigated a handful of reports where [...]
Inkling: Our open-weights model 🔗
<p><strong><a href="https://thinkingmachines.ai/news/introducing-inkling/">Inkling: Our open-weights model</a></strong></p> Mira Murati's Thinki [...]
Mermaid to ASCII art (mermaid-ascii) 🔗
<p><strong>Tool:</strong> <a href="https://tools.simonwillison.net/mermaid-ascii">Mermaid to ASCII art (mermaid-ascii)</a></p> < [...]
Quoting Linus Torvalds 🔗
<blockquote cite="https://lore.kernel.org/linux-media/CAHk-=wi4zC+Ze8e+p3tMv8TtG_80KzsZ1syL9anBtmEh5Z40vg@mail.gmail.com/"><p>I realize that some [...]
Mermaid to Unicode box art (grok-mermaid) 🔗
<p><strong>Tool:</strong> <a href="https://tools.simonwillison.net/grok-mermaid">Mermaid to Unicode box art (grok-mermaid)</a></p> [...]
xai-org/grok-build, now open source 🔗
<p><strong><a href="https://github.com/xai-org/grok-build">xai-org/grok-build, now open source</a></strong></p> xAI's <code>grok</code> CLI tool [...]
How I tricked Claude into leaking your deepest, darkest secrets 🔗
<p><strong><a href="https://www.ayush.digital/blog/the-memory-heist">How I tricked Claude into leaking your deepest, darkest secrets</a></strong [...]
Quoting GitHub Changelog 🔗
<blockquote cite="https://github.blog/changelog/2026-07-14-dependabot-version-updates-introduce-default-package-cooldown/"><p>Dependabot now wait [...]
simonw/pedalican 🔗
<p><strong><a href="https://github.com/simonw/pedalican">simonw/pedalican</a></strong></p> Clearly I wasn't paying attention when these were <a [...]
lobste.rs is now running on SQLite 🔗
<p><strong><a href="https://lobste.rs/s/ko1ji1/lobste_rs_is_now_running_on_sqlite">lobste.rs is now running on SQLite</a></strong></p> Community [...]
Quoting Armin Ronacher 🔗
<blockquote cite="https://lucumr.pocoo.org/2026/7/13/the-tower-keeps-rising/"><p>The shared language of a software project is not English or Pyth [...]
datasette 1.0a37 🔗
<p><strong>Release:</strong> <a href="https://github.com/simonw/datasette/releases/tag/1.0a37">datasette 1.0a37</a></p> <p>A min [...]
Using uvx in GitHub Actions in a cache-friendly way 🔗
<p><strong>TIL:</strong> <a href="https://til.simonwillison.net/github-actions/uvx-github-actions-cache">Using uvx in GitHub Actions in [...]
DOOMQL 🔗
<p><strong><a href="https://github.com/petergpt/doomql">DOOMQL</a></strong></p> Peter Gostev built this using GPT-5.6 Sol. This is a <em>lot</em [...]
datasette code-frequency chart on GitHub 🔗
<p><strong><a href="https://github.com/simonw/datasette/graphs/code-frequency">datasette code-frequency chart on GitHub</a></strong></p> Out of [...]
Directly Responsible Individuals (DRI) 🔗
<p><strong><a href="https://handbook.gitlab.com/handbook/people-group/directly-responsible-individuals/">Directly Responsible Individuals (DRI)< [...]
shot-scraper 1.11 🔗
<p><strong>Release:</strong> <a href="https://github.com/simonw/shot-scraper/releases/tag/1.11">shot-scraper 1.11</a></p> <p>Som [...]