Agent skill

Simple Deck

OpenDesign's operating review: growth, burn, and the concrete path to sustainability without losing the open ethos.

Apache-2.0Auto-check passedDocuments & Office

Install Simple Deck

skills CLI

$ npx skills add nexu-io/open-design --skill simple-deck -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install nexu-io/open-design simple-deck --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .claude/skills && cp -r skills-src/design-templates/simple-deck .claude/skills/simple-deck && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "simple-deck" agent skill from https://github.com/nexu-io/open-design/tree/main/design-templates/simple-deck into .claude/skills/simple-deck/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simple-deck", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/nexu-io/open-design/tree/main/design-templates/simple-deck

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add nexu-io/open-design --skill simple-deck -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install nexu-io/open-design simple-deck --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .agents/skills && cp -r skills-src/design-templates/simple-deck .agents/skills/simple-deck && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "simple-deck" agent skill from https://github.com/nexu-io/open-design/tree/main/design-templates/simple-deck into .agents/skills/simple-deck/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simple-deck", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add nexu-io/open-design --skill simple-deck -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install nexu-io/open-design simple-deck --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/design-templates/simple-deck .cursor/skills/simple-deck && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "simple-deck" agent skill from https://github.com/nexu-io/open-design/tree/main/design-templates/simple-deck into .cursor/skills/simple-deck/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simple-deck", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/nexu-io/open-design.git --path design-templates/simple-deck

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add nexu-io/open-design --skill simple-deck -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install nexu-io/open-design simple-deck --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/design-templates/simple-deck .gemini/skills/simple-deck && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "simple-deck" agent skill from https://github.com/nexu-io/open-design/tree/main/design-templates/simple-deck into .gemini/skills/simple-deck/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simple-deck", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install nexu-io/open-design simple-deck

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add nexu-io/open-design --skill simple-deck -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .github/skills && cp -r skills-src/design-templates/simple-deck .github/skills/simple-deck && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "simple-deck" agent skill from https://github.com/nexu-io/open-design/tree/main/design-templates/simple-deck into .github/skills/simple-deck/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simple-deck", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add nexu-io/open-design --skill simple-deck -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install nexu-io/open-design simple-deck --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/nexu-io/open-design.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/design-templates/simple-deck .opencode/skills/simple-deck && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "simple-deck" agent skill from https://github.com/nexu-io/open-design/tree/main/design-templates/simple-deck into .opencode/skills/simple-deck/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simple-deck", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: simple-deck
GitHub stars: 100k
Token cost: ~1.4k tokens
SKILL.md length: 433 words
Files: 5 (incl. references, assets)
Skills in repo: 245
Repo updated: Oct 8, 2026
First seen: Oct 7, 2026
Licence: Apache-2.0

At a glance

OpenDesign's operating review: growth, burn, and the concrete path to sustainability without losing the open ethos.

Works in 6 steps: Pre-flight → Copy the seed → Decide slide count + theme rhythm BEFORE… → …
Tasks that involve Slides and decks
SKILL.md covers Resource map, Workflow and Hard rules
Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Simple Deck is an agent skill from nexu-io/open-design. OpenDesign's operating review: growth, burn, and the concrete path to sustainability without losing the open ethos. Built as a decision-grade corporate strategy deck for leadership team.

Its SKILL.md is about 1.4k tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files, including reference files and assets (for example `references/checklist.md` and `references/layouts.md`).

It sits in Documents & Office, covering Slides and decks. The repository describes itself as: 🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes… The licence is Apache-2.0.

When your agent uses it

Tasks that involve Slides and decks

Example prompts

“/simple-deck”

Workflow steps

6 steps, taken from the step headings in SKILL.md.

Pre-flight
Copy the seed
Decide slide count + theme rhythm BEFORE writing any slide
Paste and fill
Self-check
Write the project file

What it can do on your machine

Read from SKILL.md and the folder at commit 3449fa6. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are bash).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Simple Deck loads about 1.4k tokens when it runs, and up to ~4.1k if it reads all its reference files. Until then it costs about 50 tokens; SKILL.md has 433 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~50
When it runs · the whole SKILL.md, loaded when a task matches: ~1.4k
With references · SKILL.md plus every file in references/, read only if the agent opens them: ~4.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from nexu-io/open-design at commit 3449fa6, republished under its Apache-2.0 licence (© nexu-io). 433 words, ~1,366 tokens.

Download SKILL.mdSave it as .claude/skills/simple-deck/SKILL.md (or your agent's skills folder). This skill also uses 4 other files; get the full folder from GitHub.

name: simple-deck
description: OpenDesign's operating review: growth, burn, and the concrete path to sustainability without losing the open ethos. Built as a decision-grade corporate strategy deck for leadership team.
en_name: Write an Operating Review like a Disciplined COO
zh_name: 像克制的 COO 一样写经营复盘
en_description: OpenDesign's operating review: growth, burn, and the concrete path to sustainability without losing the open ethos. Built as a decision-grade corporate…
zh_description: 像克制的 COO 一样写经营复盘——一份可商业交付的企业战略 Deck，围绕真实主题、证据链与决策目标组织。
tags: corporate-strategy, board-pre-read-deck, strategy, board, business-review, decision-deck, commercial-slide-agent, simple-deck
triggers: board-pre-read-deck, corporate-strategy, Write an Operating Review like a Disciplined COO, 像克制的 COO 一样写经营复盘, board, strategy, business-review, html deck, html…
od.mode: deck
od.category: corporate-strategy
od.scenario: strategy
od.example_prompt: Create "Write an Operating Review like a Disciplined COO" as a decision-grade Corporate strategy deck in this template's own visual system. Subject…

Simple Deck Skill

Produce a single-file horizontal-swipe HTML deck using the seed and layout library.

Resource map

simple-deck/
├── SKILL.md                ← you're reading this
├── assets/
│   └── template.html       ← seed: tokens + slide primitives + proven nav script (READ FIRST)
└── references/
    ├── layouts.md          ← 8 paste-ready slide layouts + theme-rhythm rules
    └── checklist.md        ← P0/P1/P2 self-review (rhythm spot-check at bottom)

Workflow

Step 0 — Pre-flight

Read assets/template.html end-to-end through the <style> block AND the <script> block. The script solves five iframe-specific bugs (real scroller detection, dual capture-phase listeners, auto-focus, no scrollIntoView, position persistence) — do not rewrite it.
Read references/layouts.md so you know the 8 layouts. Pay special attention to the "Theme rhythm" section — it's the rule that prevents the deck from feeling sleepy.
Read the active DESIGN.md — map its tokens to the six :root variables in the seed.

Step 1 — Copy the seed

Copy assets/template.html to the project root as index.html. Replace the six :root variables with the active design system's tokens. Replace the page <title>.

Step 2 — Decide slide count + theme rhythm BEFORE writing any slide

Default: 6 slides unless the brief says otherwise.

Audience / format	Slides
Product overview / lightning talk (5–10 min)	6
Pitch deck (15 min)	8–10
Investor update / longer talk (20–30 min)	12–18

Then write out the rhythm before any HTML — for example, 8 slides:

01  hero light center  Cover
02  light              Problem
03  hero dark center   Big stat
04  light              Three points
05  dark               Pipeline
06  hero light center  Quote
07  light              Before / after
08  hero dark center   Ask

A healthy sequence has:

No 3+ same theme in a row
≥ 1 hero dark AND ≥ 1 hero light (for 8+ slides)
Alternating breath every 3–4 slides

Show this rhythm sketch to the user before writing slide HTML — they can redirect cheaply.

Step 3 — Paste and fill

For each planned slide, copy the matching <section> from layouts.md into the body. Replace bracketed text with real, specific copy. No filler / no lorem. If a slide feels empty, the layout is wrong — pick a different one.

Tag each slide with data-screen-label="01 Cover", "02 Problem", etc., in the order you wrote them. (The seed's first three slides already do this — extend the pattern.)

Show full SKILL.md (146 more words)Show less

Step 4 — Self-check

Run through references/checklist.md. The "Theme rhythm spot-check" at the end is non-negotiable:

bash

grep 'class="slide' index.html

Read the resulting class list. If you see light × 4 in a row, swap one to dark. If no hero dark exists in an 8+ slide deck, promote one big-stat or closing slide.

Step 5 — Write the project file

Write the completed deck HTML to index.html.

Then send one short ordinary assistant summary naming index.html and describing the deck. Do not output the full HTML source in chat and do not emit a source-code <artifact> block.

Hard rules

Theme class on every slide (light | dark | hero light | hero dark). Bare class="slide" = regression.
No 3+ same theme in a row.
Display = serif via var(--font-display). .h-hero / .h-xl / .h-md already enforce.
One accent per slide, used at most twice.
Don't rewrite the nav script. It's proven.
No scrollIntoView(). Breaks iframe.
data-screen-label on every slide.

Files

SKILL.md and 4 other files (references, assets) in design-templates/simple-deck of nexu-io/open-design.

SKILL.md
assets/template.html
example.html
references/checklist.md
references/layouts.md

Open the folder on GitHubat commit 3449fa6

Compare with similar skills

Simple Deck next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Simple Deck compared with similar skills
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Simple Deck this skillnexu-io/open-design	100k	—	~1.4k	Automated safety check: Pass	Apache-2.0	today
Image To Editable Pptningzimu/image-to-editable-ppt-skill	2.8k	—	~4.3k	Automated safety check: Pass	MIT	22 days ago
Codex Slidesnexu-io/codex-slides	924	1 repos	~3k	Automated safety check: Pass	MIT	2 mo ago
Slidesfcakyon/claude-codex-settings	1.2k	1 repos	~1.1k	Automated safety check: Pass	MIT	today
Ppt Image FirstNyxTides/ppt-image-first	1.2k	—	~1.6k	Automated safety check: Pass	Apache-2.0	5 mo ago
Vibe to Agentic Engineering Frameworkshanraisshan/claude-code-best-practice	67k	—	~3.3k	Automated safety check: Pass	MIT	today

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Questions about Simple Deck

What does Simple Deck do?

OpenDesign's operating review: growth, burn, and the concrete path to sustainability without losing the open ethos. Simple Deck is an agent skill from nexu-io/open-design. OpenDesign's operating review: growth, burn, and the concrete path to sustainability without losing the open ethos.

When should I use Simple Deck?

Simple Deck fits situations like: tasks that involve Slides and decks.

How do I install Simple Deck in Claude Code?

Run `npx skills add nexu-io/open-design --skill simple-deck -a claude-code`. Or copy the skill folder (design-templates/simple-deck in nexu-io/open-design) into .claude/skills/simple-deck in your project. Claude Code loads it when a task matches its description.

How do I install Simple Deck in Codex?

Run `npx skills add nexu-io/open-design --skill simple-deck -a codex`. Or copy the skill folder (design-templates/simple-deck in nexu-io/open-design) into .agents/skills/simple-deck in your project. Codex loads it when a task matches its description.

Can I use Simple Deck in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add nexu-io/open-design --skill simple-deck -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/simple-deck, .gemini/skills/simple-deck, .github/skills/simple-deck and .opencode/skills/simple-deck in your project.

What does Simple Deck need to run?

SKILL.md names no scripts, command-line tools or credentials: Simple Deck is instructions for the agent only.

Does Simple Deck access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Simple Deck safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Simple Deck use?

Simple Deck is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Simple Deck use?

About 1.4k tokens (SKILL.md is roughly 5.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2.8k tokens, read only when the agent opens those files.

What are the alternatives to Simple Deck?

Skills that share tags, products or a category with Simple Deck: Image To Editable Ppt (ningzimu/image-to-editable-ppt-skill, 2.8k stars), Codex Slides (nexu-io/codex-slides, 924 stars), Slides (fcakyon/claude-codex-settings, 1.2k stars) and Ppt Image First (NyxTides/ppt-image-first, 1.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Simple Deck?

nexu-io (a GitHub organization) maintains it in nexu-io/open-design, which has 99,905 GitHub stars. The repository holds 245 skills in this directory. The repository was last updated on October 8, 2026.

Source: nexu-io/open-design on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install Simple Deck

Facts

At a glance

What it does

When your agent uses it

Example prompts

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Simple Deck Skill

Resource map

Workflow

Step 0 — Pre-flight

Step 1 — Copy the seed

Step 2 — Decide slide count + theme rhythm BEFORE writing any slide

Step 3 — Paste and fill

Step 4 — Self-check

Step 5 — Write the project file

Hard rules

Files

Compare with similar skills

Similar skills

More from nexu-io/open-design

Related

Questions about Simple Deck