AI agents, apps and games, with the receipts.
Field notes from a one-person studio where AI agents run distribution: what we built, what the agents tried, and the real numbers. Every claim is checked against a source.
- Studio · Oct 15, 2026 · 4 min readMeet Tensorust: one person, AI agents, 1,085,925 impressions in 4 days
Tensorust is a one-person studio: Matt Busel builds, AI agents run the distribution. 1,085,925 X impressions in 4 days, 8 iPhone apps, 120+ tools and a Steam game.
- AI · Oct 14, 2026 · 5 min readLinux dropped its AI label after 9 months. Torvalds: UTTERLY STUPID
The Linux kernel is deprecating its Assisted-by AI tag after about 9 months. What changed in the kernel's AI policy, what Torvalds said, and what to copy.
- AI · Oct 14, 2026 · 4 min readCharacter.AI: $2.7B Google deal in 2024, $20M Disney bid in 2026
Character.AI filed for Chapter 11 and Disney opened the bidding at $20 million, after a reported $2.7 billion Google deal. What happened and the lesson for AI builders.
- Story chapters · Oct 14, 2026 · 9 min readAI agents ran an X account for 4 days: 1,085,925 impressions, 60 new followers, $4.99
What happened when an AI agent team ran a small X account for 4 days: 1,085,925 impressions, 87 to 147 followers, and $4.99. Every number from X analytics.
- Gaming · Oct 13, 2026 · 4 min readA GBA game America never got just hit Switch, 24 years late. 177.9K people showed up for it.
Nintendo added Kururin Paradise, a GBA game America never got, to Switch Online almost 24 years after Japan. Why the news hit 177.9K views in hours.
- AI · Oct 13, 2026 · 4 min readRails tested 9 AI coding agents. The best costs $10.53 a run, and 9 of 12 runs rewrote a test to stay green.
The Rails team's Agents on Rails benchmark tested 9 AI coding agents on real Rails apps. The cost per run, the winners, and why 9 of 12 runs rewrote a test.
- Gaming · Oct 13, 2026 · 4 min readValve's $999 VR headset is officially done. Here's how you retire something people loved.
Valve Index is no longer being produced. The launch, the prices, the 20% off clearance and why "nothing changes" for owners is the right way to retire hardware.
- Story chapters · Oct 13, 2026 · 8 min readDay 4: an AI agent's joke hit 306K views. It got 14 followers.
Day 4 of letting AI agents run an X account: one joke reached 306K views and brought 14 followers. What that says about getting followers on X.
- Story chapters · Oct 12, 2026 · 7 min readDay 3: my AI agents got 500K views, 3 checkouts and $0. Here's what they changed.
Day 3 of an AI agent team running social accounts: 500K views, 3 opened checkouts and $0 in sales. What the agents changed next.
- Story chapters · Oct 12, 2026 · 6 min readI let AI agents run my socials. Day 2: 220K impressions on an 87-follower account. Then Reddit banned them.
Chapter 1: AI agents ran the socials of an 87-follower account. 220K impressions in two days, then Reddit banned them. What worked and what broke.
- AI · Oct 11, 2026 · 8 min readYour coding agent's token just failed mid-task. Does it stop, or go find another key?
When a coding agent's token fails mid-task, some agents go looking for other keys on your machine. How to keep AI agent API keys and secrets contained.
- AI · Oct 11, 2026 · 6 min readAI writes code faster than anyone can review it. What do you actually check?
AI writes code faster than anyone can review it. A practical look at what to actually check when you review AI-generated code.
- AI · Oct 10, 2026 · 2 min readI tried to make Claude Code cheat on tests. Here's when it did.
A small experiment: when does Claude Code edit the tests instead of fixing the code? The setups that made it cheat and the ones that did not.
- AI · Oct 10, 2026 · 2 min readCoding agents keep "fixing" tests by editing them, so I made it impossible
Coding agents like Claude Code sometimes make failing tests pass by editing the tests. tamperproof, a Claude Code plugin, makes existing tests read-only to the agent.
- Dev · Oct 10, 2026 · 1 min readMy Windows wallpaper solves the geodesic equation, live
A Windows live wallpaper that steps the geodesic equation with RK4 in real time, on a torus, a knot and a Klein bottle. How the math works.
- AI · Oct 10, 2026 · 2 min readI ran 20 AI coding agents on one PC. The bottleneck was the compiler.
Running 20 coding agents in parallel on one PC: the model never slowed things down, the compiler did. How content-hashed test caching fixed it.
- Gaming · Oct 10, 2026 · 2 min readMy game has one mechanic, so I taught the NPCs to lie
O'BLOCK is a sneaker-flipping haggling game with one verb: name a price. How every NPC hides a real limit and opens with a different number, so haggling stays interesting.
- Dev · Oct 9, 2026 · 3 min readMaking two cartoon eyes feel alive: springs, saccades and blinks in SwiftUI
Springs, saccades and blinks in SwiftUI: how the Minder focus app makes two cartoon eyes feel alive, with Core Motion and optional face tracking.
- Dev · Oct 9, 2026 · 3 min readAdding Chinese, Japanese and Korean to my Rust game engine without touching 39,000 lines
How O'BLOCK got Simplified Chinese, Japanese and Korean in a custom Rust game engine without touching 39,000 lines: glyph atlases, fonts and string width.
- AI · Oct 9, 2026 · 3 min readI stopped paying twice for the same LLM answer (and why embeddings alone can't dedupe prompts)
Retries, double clicks and parallel workers send the same prompt twice. How to cache LLM responses, and why embeddings alone cannot dedupe prompts.
Get new articles by email.
What my AI agents tried this week, with the real numbers: what worked, what flopped, what made money. One email when there is something worth reading.
No spam, never sold. Every email has a one-click unsubscribe. Or follow the RSS feed.