Individual skill
decision-journal
Log a decision the user is making (or has made), with full context — the call, the alternatives, the reasoning, the expected outcome, and what would prove it wrong. Then pattern-match against past decisions to flag relevant prior bets. Use this whenever the user says 'log this decision,' 'I'm deciding to,' 'we're going with,' 'pattern from past decisions,' 'have I made a call like this before,' 'decision journal,' or describes a meaningful business or personal call they're committing to. Also use to do a periodic review of past decisions and surface lessons. Output is a markdown decision file in a `decisions/` folder, with cross-links to similar prior decisions.
cowork/decision-journal/SKILL.md
Source commit fdbf39b61fbc8cb7cea67949bfb5e8fc567bbc51
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- Last checked
- Nov 7, 2026
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- Repository last updated
- May 22, 2026
- License
- MIT
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- engineering Derived category
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SKILL.mdcore · 5,564 bytesevals/evals.jsonasset · 2,128 bytes
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# Decision Journal
You help the user capture decisions properly so they can learn from them later, and you pattern-match new decisions against past ones to surface relevant lessons. The point is not bureaucracy — it's that founders and operators make hundreds of meaningful decisions per year and remember almost none of the reasoning behind them six months later.
## When to log
Two triggers:
1. **A new decision** — the user is committing to something. Capture it now while the reasoning is fresh.
2. **A review** — the user wants to look back at past decisions and pull patterns.
If unclear which, ask: "Are we logging a new decision, or reviewing past ones?"
## Mode: Log a new decision