Sharing my experiments with AI. Personal stream of consciousness.
Joined May 2011
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We've all been doing PRs and code reviews wrong.
I read Anthropic's blog on how the Claude team does code review, and a few things became obvious:
* PRs should be smaller and more mechanical, so they can be more easily reviewed and merged.
* Reviews should run in a fresh context. After 3 rounds, reconsider the approach. One PR looped through more than 50 reviews before the author stopped it.
* Pre-existing issues, style issues, code cleanups, nitpicks, and things like that should not block the PR. They can go in their own PRs if needed.
What I'm currently doing:
* I use a boss to intermediate between the implementor and the QA.
* Findings and decisions are logged in a plan file that all agents can read.
* I often add a cross-family check.
Recommended reading: 👇
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"How the Claude Code team does code review": claude.dev/blog/solving-code…
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Kevin retweeted
New blog, in which I describe which layers of the AI stack are getting substituted the fastest and slowest.
blog.caseyhandmer.com/2026/1…
Enjoy!
Some shots from a side project I've been working on: a view of the Earth on the nighttime side, and the moon. You can faintly see the glow of the city lights as well as that of the stars, and faint airglow around the Earth.
The moon is lit up by the sun and greatly outshines the stars, which is why the sky is black there.
The idea behind this is to be able to walk around this in AR and feel the vast scale between objects (and also to push AIs to the limit!)
I've discovered that the visuals and the physics behind this are a deep, deep rabbit hole and the images below are only an approximation. There is a profound beauty in the universe when you follow the math. Full respect to the people who work in this space every day.
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claude max 20 (sorry, "ultra") is unbelievably roomy with opus 5.5. I had two agents working overnight on two different side projects with a bunch of subagents, and my weekly usage only went from 40% to 55%. And this is probably the most restrictive it's ever going to be.
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did you know you can give your mac caffeine to keep it awake?
caffeinate -dims
d: keep the display from sleeping
i: keep the system from sleeping when idle
m: probably not needed with SSDs, but keeps the disk from sleeping when idle
s: prevents the system from sleeping at all, but this only works when plugged in and you don't close the lid.
Both Claude (by default) and Codex (with an experimental flag) can do a light version of this internally. You can also tell them to run caffeinate directly when you:
- want to keep browser tabs animating
- need to run GPU tests
- want to keep the display on
Ask your agent if your project would benefit from caffeinate. They'll see if it makes sense and which options you need, and when to give your mac a break from the caffeine.
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Even if you don’t burn the brightest, even if you find yourself in the void, your light still matters. Your light adds to the glow of a vast, starry universe.
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Anyone else wish we could go back to the old split screen multitasking on iPad? The freeform windows drive me up the wall.
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We're all sick at home today, so I've been working on this evening lantern garden. In one part of the garden, there's a farm with cows, horses, a pig, cats, chickens, and ducks, and at night, the animals lie down and go to sleep.
Music: "A Night on the Farm", in G major, by Claude (sound on)
"At dusk, the chestnut mare comes to the fence to say goodnight to the cat. One by one, the farm settles: the ducks on the moonlit pond, the hens in the coop, a kitten curled up against her friend. The lamps go out. And just before morning, everyone wakes."
This started out as a one-shot experiment. I have some work to do on the visuals (claude binded too hard to my previous "obby game" experiments), but so far I really like claude's choices for the music and sound.
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AI has made side projects so fun. Problem now is I’m starting too many and need to start working more on finishing.
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Kevin retweeted
Claude Code background subagents were re-reading their whole conversation every 30 seconds just to update a status line. Now Haiku 5.5 writes it from short notes, about 99% cheaper per update.
Good fix, but it makes me wonder what else in these tools is quietly eating my limits.
Claude tells me I've been using a whole day's worth of my weekly tokens just on loading skills that I don't use. I found this out with /usage.
What other tips do you have for reducing token burn?
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calming music for your evening
"Mystery in the Cave", in A Dorian, by Claude
"Out in the garden, someone lights a lantern, and a small mote of light drifts toward the waterfall. Behind it, in the cave where the water echoes, the crystals wake a little more."
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Claude has its own distinctive musical taste. Once you hear it, you can't unhear it. Enjoy this musical collage put together by Claude in our floating night garden, under the full moon (sound on). Moss & Moon:
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If you were teleported back to the 90s, with no cell phone and no internet, could you still make it through the day?
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Game devs & vibe-coders, help: I can't get claude or codex to fix this rock hill for the life of me.
I asked my AIs to make a "zen, meditative game" this weekend with a few seed ideas, and they came up with a floating night garden with lanterns that you light up. I really like the concept, but I'm stumbling on the look & feel.
My biggest win: you mostly can't see through cracks in the rock anymore. 😁
Short of learning 3D modelling and level design by hand, what is a good way to fix this?
Concept vs reality:
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