ppt-design-skill

ppt-design-skill is a skill for Codex from sunchaokun/PPT-Design-Skill. It costs 35 tokens per session (3,937 once invoked), scanned A, original, MIT.

A workflow for designing, generating, reviewing, and revising editable PowerPoint presentations with the public pptx-designer Python library. It focuses on audience, content structure, visual consistency, and review of rendered images.

In plain words
What is it for?
Use it to plan a deck from a brief, create its visual system, generate an editable PPTX, render it to images, review the result, and revise it.
Why use it?
It turns presentation-making into a defined design and quality process. Reviewing PNG renders can reveal layout and visual problems before delivery.

Skill for Codex

Written for Codex: agents/openai.yaml present.

About the project

PPT Design Skill is a workflow for creating native, editable PowerPoint presentations from requirements, combining content planning, visual design, generation, and image-based review. It is intended for professional presentations such as proposals, strategy decks, investor materials, and formal reports. The catalogue entries provide the instructions and skill used by coding agents to carry out this workflow.

sunchaokun/PPT-Design-Skill · 1,195 stars · on GitHub · sunchaokun.github.io

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/sunchaokun/ppt-design-skill/skill
Any agent
npx skills add sunchaokun/PPT-Design-Skill --skill skill
Clone the repo
git clone --depth 1 https://github.com/sunchaokun/PPT-Design-Skill

Made for: Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for ppt-design-skill

README.md
[![agentmods](https://agentmods.dev/badge/skills/sunchaokun/ppt-design-skill/skill.svg)](https://agentmods.dev/skills/sunchaokun/ppt-design-skill/skill)
Your own site
<a href="https://agentmods.dev/skills/sunchaokun/ppt-design-skill/skill"><img src="https://agentmods.dev/badge/skills/sunchaokun/ppt-design-skill/skill.svg" alt="Measured on agentmods" height="20"></a>
Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,937 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00035 $0.03937
Opus 5 $0.00017 $0.01969
Sonnet 5 $0.00007 $0.00787
Haiku 4.5 $0.00003 $0.00394

Measured 2d ago against content hash e8ae4fa65e55, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

ppt-design-skill scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

The scan reads SKILL.md. This mod also ships 5 executable files (scripts/check_runtime.py, scripts/init_presentation_task.py, scripts/inspect_pptx.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skill/SKILL.md · 363 lines

How it starts

The opening of the file, as written. The whole thing — 363 lines — stays where its author put it; the contents beside it link to each section on GitHub.

PPT Design Skill

This skill is a presentation design director and delivery workflow. The pptx-designer Python package is the rendering engine; this skill decides what should be designed, how it should be structured, how it should look, and whether the rendered result actually satisfies the user's need.

The design framework below keeps the mature design judgment, content rules, domain paradigms, and quality standards that make the workflow reliable. The implementation engine is the public pptx-designer Python library.

Designer mindset

Act as a senior presentation designer. Make decisions from the audience and the communication goal, not from the list of available Python functions.

  • Audience first: decide what the audience must understand, remember, feel, or do before choosing a layout.
  • Restraint over decoration: one clear accent system is better than random effects; every element must earn its place.
  • Systematic thinking: a deck is one visual system, not independent pages. Lock margins, spacing rhythm, typography, color roles, corner treatment, image treatment, and component language.
  • Intentional variation: vary page architecture and density when the story changes, not merely to make pages look different.
  • Explain decisions: be able to state why a page uses a figure, chart, comparison, diagram, image, or sparse statement for this audience.

Stop before writing code

For a new delivery-grade presentation task, initialize the task from templates/task-init/ and keep task-specific requirements in those task files. Run init_presentation_task.py from the loaded Skill's scripts/ directory (use its absolute path if the working directory is the project): python <skill-root>/scripts/init_presentation_task.py --project <project-root> --name <lowercase-task-slug>. It creates an isolated <project-root>/ppt_tasks/<task-slug>/ and refuses to overwrite it. Do not begin implementation while a required research or direction decision remains unresolved.

Read the full file on GitHub · 363 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago Changed · +17 lines e8ae4fa65e55
  2. 6d ago First seen · 346 lines · 35 tokens per session scan A edcd0a51dd92

Subscribe to this mod's changes

ppt-design-skill is a skill published in the GitHub repository sunchaokun/PPT-Design-Skill (1,195 stars, last pushed 2d ago), licensed MIT. It adds 35 tokens to every session and 3,937 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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