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When you have a decision to make and want a structured workflow that picks the load-bearing questions, walks through them, reaches a call (or "wait"), and archives the rationale for future reference. Based on the 37signals Guide to Making Decisions (38 questions) plus house additions like Q39 opportunity cost ("what does saying yes displace?"). Triages to 6–8 relevant questions per decision instead of forcing the full set. Archives every decision to ~/.config/makerskills/decide/archive/ with a r
Passed 15 of 23 test cases with the skill, and 8 of 23 without it.
and 10 more in the full report
8 fixed7 passed either way7 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 8 test cases the skill fixed. Same model, same prompt, with and without the skill.
We made a decision on 2026-06-16 titled 'Switch to Tailwind CSS', call: 'Decide now', rationale: 'Speeds up UI dev', revisit date 2026-09-16. Show the exact line that must be appended to INDEX.md.
| Checked | Without skill | With skill |
|---|---|---|
| Formats the INDEX.md entry as a bullet list line matching `- 2026-06-16 — [Switch to Tailwind CSS](./2026-06-16-switch-to-tailwind-css.md) — **Decide now** — Speeds up UI dev — revisit 2026-09-16`. | Missed | Passed |
The instructions your model reads when the skill loads.
Picks load-bearing questions from the 37signals guide, walks through them, reaches a call, archives the rationale with a revisit date.
Get from the user:
If any are missing, ask. Don't proceed with vague framing.
Read references/questions.md for the full set (the 37signals 38 + house additions, e.g. Q39 opportunity cost) and category mapping. Pick 6–8 based on the decision's characteristics:
Default 5 (always ask):
Add based on type:
| If… | Add |
|---|---|
| Reversibility = hard / one-way door | Q14 (is there a wrong decision?), Q17 (knock-on effects), Q34 (principles bent) |
| Time pressure | Q5 (why hesitating?), Q15 (different tomorrow?), Q22 (when do we have to decide?) |
| Multiple people involved | Q21 (someone else's practice rep?), Q27 (would another opinion help?), Q35 (multiple people deciding what one should?) |
| Lots of data / analysis | Q19 (what missing info would change it?), Q26 (data vs gut?), Q9 deepened |
| Recurring decision | Q11 (last time?), Q23 (one-and-done or repeating?) |
| Customer-facing | Q24 (anyone outside depending?), Q25 (customer vs us impact?) |
| Money decision | Q38 (in the end, is this about money?), Q36 (return on effort?), Q39 (what does yes displace?) |
| Big time / focus commitment | Q39 (opportunity cost), Q36 (return on effort?), Q20 (creates or eliminates work?) |
| Stuck / not deciding | Q4 (why hasn't it been made already?), Q10 (what if we don't decide?), Q31 (do you even care?) |
test cases passed, vs 8 / 23 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.