Tiny Test-First Loop — Claude Code Checklist
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Use this loop when Claude Code is moving fast and you want fewer silent breaks.

Checklist (in order):
1) Goal (1 sentence): What should be true when we are done?
2) Failing test: Add the smallest test that fails for the right reason.
3) Smallest patch: Change the minimum code to make the test pass.
4) Verify: Run tests + a quick manual check (happy path + one edge).
5) Log: Write 2 lines: what changed + what to watch for.

Copy-paste prompt:
Before you change code, list the exact files you will touch. Then write ONE failing test that proves the bug. Then make the smallest patch to pass the test. Do not refactor.

By Steve Merrill · @merrills · WRKNG Digital