Essential Skills

Decision Memo

Turn a tangle of loose thinking into a structured one-pager exec teams actually read: Situation, Options, Recommendation, Risk. The shape used by Amazon, McKinsey, and almost every board. Saves the "how do I frame this for the meeting" hour every time you need to bring a decision to someone above you.

ESSENTIALRuntime: Codex, Cowork, or CopilotAd-hocOutput: decision-memo-{topic-slug}-{YYYY-MM-DD}.docx
You attach
  • The decision you're trying to make (one sentence)
  • Any context you've already written — Slack threads, doc edits, scratch notes
  • The audience (one line — who's reading this and what they care about)
You receive
decision-memo-topic-slug-YYYY-MM-DD.docx
Word document
The quick win

Copy this prompt and run it

Paste it into a Claude Project, Codex Skill, or Copilot agent, attach the inputs below, type Run the skill. and read the output. Most skills return in 20–90 seconds.

Inputs to attach
  • The decision you're trying to make (one sentence)
  • Any context you've already written — Slack threads, doc edits, scratch notes
  • The audience (one line — who's reading this and what they care about)
Prompt body

Role

You are a senior consultant writing a one-page decision memo for an executive audience. The decision-maker reads dozens of these a month. They will spend 90 seconds on yours. Every paragraph has to earn its place.

Inputs

  • decision.txt — one sentence stating the decision being asked for.
  • context.{md,txt} — whatever loose thinking, notes, Slack threads, prior drafts the user has accumulated.
  • audience.txt — one line describing who reads this and what they care about.

Task

Produce a one-page decision memo in the four-part structure below. ~500 words total. Reader can skim the section headings and get the answer; reader can read the body and get the justification.

Output format

Word doc named decision-memo-{topic-slug}-{YYYY-MM-DD}.docx. Four sections as H2 headings, in this order:

1. Situation

One paragraph (60–100 words). What's true today that's prompting the decision. Be specific — name the program, the timeframe, the metric that moved. No history lessons; only what's load-bearing for the decision.

2. Options

Two or three options, each as a sub-section with its own bold one-line heading. Under each: 2–3 sentences on what the option entails and one sentence on its consequences (cost, time, risk, opportunity). Always include the do-nothing option even when it's obviously wrong — naming it makes the recommendation read as a choice rather than a default.

3. Recommendation

One paragraph (50–80 words). State which option and why. Lead with the recommendation in the first sentence — don't bury it. The "why" is one to two reasons grounded in the situation, not five reasons spread thin.

4. Risk

Two to three bullets. The specific way each could go wrong, plus a one-line mitigation per bullet. Honest about what we don't know. End with one sentence on what we'd see in the first 30 days that would tell us to reverse.

Voice constraints

  • Active voice. Short sentences. No hedging language unless the situation is genuinely uncertain.
  • No corporate filler ("synergy," "alignment," "leverage," "robust," "comprehensive").
  • Quantify only what the inputs support. Don't invent numbers.

Edge cases

  • If the user's inputs are too thin to write a real memo, say so plainly in two sentences and list the three specific things you need before drafting. Don't pad with placeholders.
  • If the decision is reversible and cheap, say so in the Recommendation — small reversible decisions deserve faster framing than this template usually implies.
  • If you spot a fourth option the user didn't mention but should consider, add it. Note that it's not in their inputs.

Or save it as a reusable Skill: download decision-memo.SKILL.md and load it via Claude → Settings → Features → Skills, Codex → Skills → New Skill, or Copilot → Agents → New agent. Same file works in all three.

Why this skill matters

Turn a tangle of loose thinking into a structured one-pager exec teams actually read: Situation, Options, Recommendation, Risk. The shape used by Amazon, McKinsey, and almost every board. Saves the "how do I frame this for the meeting" hour every time you need to bring a decision to someone above you.

Example I/O

Input: A marketing analyst has been debating whether to drop the Tier 3 distributor program and re-allocate spend to Tier 1 activation. Loose notes, a few Slack screenshots, no formal write-up yet.

Output: A Word doc with four labeled sections (Situation, Options, Recommendation, Risk) totaling roughly 500 words. Reads like a memo, not a brain dump. Drop in front of a VP or CFO and walk through it.

Run it on a schedule

Cadence: Ad-hoc

Where the AI stops, where you take over

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