2026-05-03 01:26:40
I have a new camera (a Canon R6 Mark II) so I'm taking a lot more photos of birds. I share my best wildlife photos on iNaturalist, and based on yesterday's successful prototype I decided to add those to my blog.
I built this feature on my phone using Claude Code for web, as an extension of my beats system for syndicating external content. Here's the PR and prompt.
As with my other forms of incoming syndicated content sightings show up on the homepage, the date archive pages, and in site search results.
I back-populated over a decade of iNaturalist sightings, which means you that if you search for lemur you'll see my lemur photos from Madagascar in 2019!
Tags: blogging, photography, wildlife, ai, inaturalist, generative-ai, llms, ai-assisted-programming, claude-code
2026-05-02 03:35:41
Tool: iNaturalist Sightings
I wanted to see my iNaturalist observations - across two separate accounts - grouped by when they occurred. I'm camping this weekend so I built this entirely on my phone using Claude Code for web.
I started by building an inaturalist-clumper Python CLI for fetching and "clumping" observations - by default clumps use observations within 2 hours and 5km of each other.
Then I setup simonw/inaturalist-clumps as a Git scraping repository to run that tool and record the result to clumps.json.
That JSON file is hosted on GitHub, which means it can be fetched by JavaScript using CORS.
Finally I ran this prompt against my simonw/tools repo:
Build inat-sightings.html - an app that does a fetch() against https://raw.githubusercontent.com/simonw/inaturalist-clumps/refs/heads/main/clumps.json and then displays all of the observations on one page using the https://static.inaturalist.org/photos/538073008/small.jpg small.jpg URLs for the thumbnails - with loading=lazy - but when a thumbnail is clicked showing the large.jpg in an HTML modal. Both small and large should include the common species names if available
Tags: tools, claude-code, inaturalist, generative-ai, ai, llms
2026-05-01 07:23:17
The latest version of OpenAI's Codex CLI coding agent adds their own version of the Ralph loop: you can now set a
/goal and Codex will keep on looping until it evaluates that the goal has been completed... or the configured token budget has been exhausted.
It looks like the feature is mainly implemented though the goals/continuation.md and goals/budget_limit.md prompts, which are automatically injected at the end of a turn.
Via @fcoury
Tags: ai, openai, prompt-engineering, generative-ai, llms, coding-agents, system-prompts, codex-cli, agentic-engineering
2026-05-01 07:03:24
Our evaluation of OpenAI's GPT-5.5 cyber capabilities
The UK's AI Security Institute previously evaluated Claude Mythos: now they've evaluated GPT-5.5 for finding security vulnerability and found it to be comparable to Mythos, but unlike Mythos it's generally available right now.Tags: ai, openai, generative-ai, llms, anthropic, claude, ai-security-research, gpt
2026-05-01 05:24:55
It's a common misconception that we can't tell who is using LLM and who is not. I'm sure we didn't catch 100% of LLM-assisted PRs over the past few months, but the kind of mistakes humans make are fundamentally different than LLM hallucinations, making them easy to spot. Furthermore, people who come from the world of agentic coding have a certain digital smell that is not obvious to them but is obvious to those who abstain. It's like when a smoker walks into the room, everybody who doesn't smoke instantly knows it.
I'm not telling you not to smoke, but I am telling you not to smoke in my house.
— Andrew Kelley, Creator of Zig
Tags: zig, llms, ai, generative-ai
2026-05-01 02:38:48
We need RSS for sharing abundant vibe-coded apps
Matt Webb:I would love an RSS web feed for all those various tools and apps pages, each item with an “Install” button. (But install to where?)
The lesson here is that when vibe-coding accelerates app development, apps become more personal, more situated, and more frequent. Shipping a tool or a micro-app is less like launching a website and more like posting on a blog.
This inspired me to have Claude add an Atom feed (and icon) to my /elsewhere/tools/ page, which itself is populated by content from my tools.simonwillison.net site.
Tags: atom, matt-webb, rss, ai, vibe-coding
