
Free guide · by Cooper Simson
Build Slide Decks In 90 Seconds With Claude
Open the Claude desktop app, go into Cowork, paste one prompt, tell Claude about your presentation, and it builds a full deck with clean fonts, matching colors, brand consistency, and exports as a PowerPoint doc. 90 seconds, no templates.
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Open the Claude desktop app, go into Cowork, paste one prompt, and tell Claude about your presentation. It builds a full deck with clean fonts, matching colors, and real visual hierarchy, then exports it as a PowerPoint file you can open in presenter mode. About 90 seconds start to finish, no templates.
What You'll Learn
- The exact prompt template for building decks inside Claude Cowork
- Why Cowork is the unlock most people miss
- Tips that make every deck better on the first build
- Iteration commands to refine any slide in about 30 seconds
What You're Getting
This kit gives you the exact prompt template for building presentation decks inside Claude Cowork. Open the Claude desktop app, go into Cowork, paste the prompt, tell Claude about your presentation, and it builds a full deck with clean fonts, matching colors, nice design, and exports it as a PowerPoint doc you can open in presenter mode. This template was used to build 2 keynote presentations in one week.
What Claude Cowork Is
Cowork is the collaborative workspace built into the Claude desktop app. It renders artifacts live as Claude builds them, which means you see each slide take shape in real time instead of getting a text description. Most people don't know Cowork can do design work. That's the unlock.
Step 1: Open Cowork
- Open the Claude desktop app (not the web version)
- Go into the Cowork workspace
- Start a new session
- You're ready to paste the prompt
Step 2: The Prompt Template
Copy this entire prompt into Cowork. Then just tell Claude about your presentation: what it's about, who it's for, and what you want the audience to walk away with.
Build me a presentation deck in Cowork. Render each slide as you go so I can see it live.
PROCESS:
1. First, generate a complete outline. Show me the outline and wait for my approval before building.
2. Once approved, build each slide one at a time, rendering in the canvas.
3. Each slide must include:
- A clear headline (one line, 8 words max)
- 3-5 supporting points or one strong visual
- Consistent typography and color scheme across the whole deck
- Match my brand colors and style if I provide them
- Real visual hierarchy (not just bulleted text)
4. Use one accent color throughout. Don't use more than 3 total colors.
5. Do NOT use stock photos or placeholder images. Use icons, shapes, or typography-led layouts.
6. Export the final deck as a PowerPoint file (.pptx) so I can open it in presenter mode.
Now here's my presentation:
[Tell Claude about your topic, audience, goal, and any brand colors or style preferences]
What The Prompt Does
This prompt tells Cowork to:
- Make a presentation outline first so you can review the structure before anything gets built
- Build each slide with proper design, headlines, and visuals
- Match your brand colors and style across the whole deck
- Use clean typography and real visual hierarchy (not just bullet points)
- Export as a PowerPoint doc so you can present it in presenter mode
Tips For Better Results
- Be specific about your audience. "Board of directors who want to see ROI" beats "executives."
- If you have brand colors, include the hex codes in your message. Claude will match them exactly.
- Review the outline before Claude starts building. Fixing structure at the outline stage saves iterations later.
- 10 to 12 slides is the sweet spot for a 10 to 15 minute presentation. Don't ask for too many.
- After the first build, tell Claude what to change. "Make slide 5 more visual" or "change the accent color to blue." Each iteration takes about 30 seconds.
- The PowerPoint export means you can present from any computer with presenter mode, notes view, and slide transitions.
Iteration Commands
Once your deck is built, refine it with simple commands:
- "Make slide 5 more visual, less text"
- "Change the theme to dark mode with a purple accent"
- "Add a slide after slide 7 explaining [topic]"
- "Cut slide 3 and merge its content into slide 2"
- "Make all the headlines punchier and more direct"
- "Add a conclusion slide with 3 takeaways and a call to action"
- "Export the final version as PowerPoint"
Go Deeper
- Prefer a printable version? Download the PDF: https://drive.google.com/file/d/1K5Y_nf3nyKy4-ghmTHDhX5zSvv16xxF-/view?usp=drivesdk
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The honest part
The guides are free. The working agents are $97.
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