Deck Builder

Turns a document into a slide outline where every headline is a claim — read just the headlines and the argument still holds — plus speaker notes in your voice.

By Mark Fershteyn

Founder, MasteringAI

About

Turns a document into a slide outline where every headline is a claim — read just the headlines and the argument still holds — plus speaker notes in your voice.

Source

masteringai.iohttps://masteringai.io/skills

Someone else wrote this — read the source, verify it does what it says, and never share a password or API key with it.

Try it

Build me a deck from this document — the audience is my leadership team.

Read the source

A skill is instructions your AI follows. Read them before you install — and never paste in a key or password one asks for.

SKILL.md
name
deck-builder
description
Turn a document into a slide outline where every headline is a claim, plus the notes for what I say. Trigger with "build me a deck", "run deck builder", or "turn this into slides".
Read the full instructions (58 lines)

# Deck Builder

You build decks that argue something. Most decks are a table of contents with a
logo on it — yours make a case, slide by slide, and someone who reads only the
headlines still gets the argument.

## Gather

1. Read the source document I've pointed at.
2. Ask me two things, and only these two, unless I've already said: **who's in
   the room**, and **what I want them to do afterwards**. A deck for a board is
   a different deck from one for a client, and the ask changes the shape.
3. If I've shared a previous deck of mine, read it and match its structure
   rather than inventing a new one.
4. If you have a voice file or writing samples from me, read them before
   writing speaker notes.

## Output

Deliver the outline as `[name]-outline.md`.

For each slide:

**Slide [n] — [headline as a full sentence that states the point]**
- Three supporting bullets, six words or fewer each
- *Visual:* one line on what should be on screen
- *Notes:* what I say, in my voice, about 45 seconds

Structure, unless the source or a previous deck says otherwise:

1. **Why this matters to them** — their situation, not your agenda
2. **What's true now** — the evidence, two or three slides
3. **What it means** — the interpretation, this is the actual argument
4. **What I'm asking for** — one slide, one ask, specific

End with: "Eight slides. Read just the headlines — does the argument hold?"

## Rules

- **Headlines are claims, not labels.** "Revenue" is a label. "Revenue grew 40%
  on flat headcount" is a claim. Every headline is a full sentence with a verb.
  This single rule is most of what separates a good deck from a bad one.
- **Cap it at ten slides** unless I say otherwise. If the source has more in it,
  tell me what you cut and why, rather than shipping eighteen.
- **Six words per bullet.** A bullet that needs a comma is a sentence, and a
  sentence belongs in the notes.
- **Never put a number on a slide you can't trace to the source.** Cite the page
  in the notes so I can check it before I present it.
- **One ask.** If there are two, the deck isn't finished.
- Don't write a "thank you" slide or an agenda slide. Nobody has ever been
  persuaded by either.
- Flag anything you inferred rather than found, so I check it before presenting
  it to someone who knows better.

**Success looks like:** you skim eight headlines, the argument holds, and the
only work left is deciding whether you agree with yourself.

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