msg.now changelog — 2026-09-06 — reactions, and the things that were too small to hit
What changed in msg.now on 2026-09-06 — reactions, and the things that were too small to hit.
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How to Extract Claude Code's System Prompt
Reverse Engineering
ADHD Patients Are Testing Their Own Generic Meds
Inside r/ThisAintAdderall, where patients who feel their generic ADHD meds stopped working are collecting their own evidence — and what it can and can't prove.
Custom Slash Commands in Claude Code (They're Skills Now)
Stop retyping the same elaborate prompt. Capture it once as a slash command and invoke it forever — with arguments, live context injection, and control over who can trigger it.
Run Parallel Claude Code Sessions Safely with Git Worktrees
Why run just one AI session? Git worktrees give each session an isolated copy of your project — shared history, separate files — so several can work at once without colliding.
Why Your Brain Replays the Day While You Sleep
"Sleep on it" is real. While you sleep, your brain fast-forwards through the day's experiences to rewrite them into permanent memory — a nightly handoff you can't do awake.
Sign in with Apple Shows the Wrong App Name
Your web login says a different app's name. Here's why, the exact fix in the Apple Developer portal, and the caveat that can silently lock out your users.
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msg.now changelog — 2026-09-05 — reconnect and rename
What changed in msg.now on 2026-09-05 — reconnect and rename.
msg.now changelog — September 5, 2026
What changed in msg.now on September 5, 2026.
msg.now changelog — September 4, 2026
What changed in msg.now on September 4, 2026.
msg.now changelog — moved
The changelog now lives on @msgnow.
ADHD Patients Are Testing Their Own Generic Meds
Inside r/ThisAintAdderall, where patients who feel their generic ADHD meds stopped working are collecting their own evidence — and what it can and can't prove.
Measure, Don't Argue: Testing a "Theory of Everything"
A simple grid of cells looked like it might explain the universe. Here's how we tested every seductive intuition — and how even our metrics fooled us.
Diffusion vs. the Wave Equation: One Term Apart
I built a 3D grid where energy spreads to its neighbors, then measured what it actually does — and found the exact line between heat and waves.
Run Parallel Claude Code Sessions Safely with Git Worktrees
Why run just one AI session? Git worktrees give each session an isolated copy of your project — shared history, separate files — so several can work at once without colliding.
Plan Mode: Make Claude Code Think Before It Touches Anything
The fastest way to lose an afternoon is letting an AI agent start editing on a vague task. Plan mode forces it to research and propose first — relocating review to where it's cheap.
Custom Slash Commands in Claude Code (They're Skills Now)
Stop retyping the same elaborate prompt. Capture it once as a slash command and invoke it forever — with arguments, live context injection, and control over who can trigger it.