Pick one repeated task. In any tool that supports it, create a custom assistant: 5 lines of instructions plus one reference doc. Run it on a real example. You're done when a teammate could use it without asking you anything.
How-to · BLD · BLD.1
Package one workflow as a custom assistant
Custom GPTs / Claude Projects / Gems let you package instructions plus reference files into a reusable assistant — no code required.
Worked example
The step past prompting is packaging: a custom assistant (Custom GPT, Claude Project, Gemini Gem) that carries your instructions and reference files so nobody re-explains the workflow. Building one for a single task teaches you more than a course on 'AI development'.