ProductivityNewFreeWorks in Claude Code · Claude app · Codex
The 37signals Way
Build lean, opinionated products — less process, more shipping.
Part of Book skills by @wondelai ↗Applies the philosophy from Rework, Getting Real, and Shape Up: build lean, opinionated products and cut the busywork.
What it does
- Cuts scope and process down to what ships.
- Brings Rework / Shape Up thinking to how you build.
How to install (2 minutes)
Same download for Claude Code, Claude app, Codex — follow the step for the tool you use.
- 1Download the .zip and unzip it — you’ll get a folder called 37signals-way.
- 2In the Claude app: open Settings → Capabilities → Skills, choose Add / Upload, and select the folder (or the .zip).
- 3In Claude Code: drop the folder into your project’s .claude/skills/ directory, then type /skills to confirm it loaded.
- 4In Codex: drop the folder into ~/.agents/skills/ (or your project’s .agents/skills/), then type /skills — or call it directly with $37signals-way.
- 5That’s it — the skill activates on its own when it fits what you’re doing.
Want to get the most out of your new skill?
Inside Hands-On AI Club we show you exactly how to use skills like this in real work — with step-by-step courses and a community to help you.