OpenDesign is an open-source, local-first desktop app that lets coding agents create prototypes, dashboards, slide decks, images, video, and design systems as exportable files. It is used by people working with agent runtimes such as Claude Code, Codex, Cursor, and DeepSeek Harness. The catalogue add-ons extend the OpenDesign workflow with skills, instructions, commands, and plugins.
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.
npx skills add nexu-io/open-design --skill deck-open-slide-canvasgit clone --depth 1 https://github.com/nexu-io/open-designWrote 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.
[](https://agentmods.dev/skills/nexu-io/open-design/deck-open-slide-canvas)<a href="https://agentmods.dev/skills/nexu-io/open-design/deck-open-slide-canvas"><img src="https://agentmods.dev/badge/skills/nexu-io/open-design/deck-open-slide-canvas/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/nexu-io/open-design/deck-open-slide-canvas"><img src="https://agentmods.dev/badge/skills/nexu-io/open-design/deck-open-slide-canvas.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00047 | $0.01493 |
| Opus 5 | $0.00023 | $0.00746 |
| Sonnet 5 | $0.00009 | $0.00299 |
| Haiku 4.5 | $0.00005 | $0.00149 |
Grade A, and why
deck-open-slide-canvas 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 7d ago.
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.
What it actually says
【模板: 1920 画布自由 Deck】 【意图】不想被模板束缚的场景 (个人作品集、奇特演讲、艺术 / 设计课 deck)。给一个固定 1920×1080 画布 + 极强的类型 / 调色约束, 让 agent 像写 React 组件一样按内容自由排布每一页。Inspired by 1weiho/open-slide。
【硬性技术规格】
- 画布: 每页严格
width: 1920px; height: 1080px;用transform: scale(...)适配视窗 (默认scale(0.7)居中)。 - 绝对禁止 overflow: 每页内容必须 fit in 1920×1080, 不许滚动条出现。
- 字号 type scale (px):
2xs:18 · xs:22 · sm:28 · md:36 · lg:48 · xl:64 · 2xl:88 · 3xl:120 · 4xl:160 · 5xl:220。 - 边距 padding: 96 / 128 / 160 三档之一。
- 每页有
<section class="slide" data-slide-id="<n>">。
【调色板 — 每个 deck 选 1 套, 全程不改】
- 🌫 Ash & Lime — bg
#f1efea, ink#161616, accent#c5e803。 - 🌌 Sea Indigo — bg
#0a0e1a, ink#f5f5f7, accent#5ac8fa。 - 🧉 Mate Mocha — bg
#1a1411, ink#f5e9d6, accent#d97757。 - 🌸 Pearl Rose — bg
#fdf6f3, ink#1a1015, accent#ff5d8f。
【布局自由度 — 这是核心】
- 不强制模板, 每页根据内容性质自选布局: cover / question / quote / image-text / 三列 / 五列 / 列表 / 数据卡 / 满版图。
- 但每页必须遵守一条规则: 视觉重心 (visual hierarchy) 只有 1 个 — 一句金句、一个数字、一张图, 不要"什么都强调"。
- 不许塞两段平等的文字; 真要并列就上 3 列等权重网格。
【字体】
- 西文:
Inter Tight(display) +Inter(body); 或Source Serif Pro(editorial 风时)。 - 中文:
Noto Sans SC(sans 风) 或Noto Serif SC(editorial 风); 不混 sans + serif。 - mono:
JetBrains Mono给数据 / 时间戳。
【设计细节】
- 严禁 emoji 装饰 (内容里的允许); 严禁多色彩虹; accent 只用一个色。
- 严禁 SVG icon 套用 lucide / feather 等通用库 (自己写 inline SVG)。
- 加键盘 ← / → 切换 + hash 同步; 角标固定: 右下
№N/M, 左下 deck title。 - 必须用用户的真实内容; 严禁 lorem ipsum。
- 单文件 HTML; Tailwind CDN; 不要外链图片。
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 7d ago First seen · 93 lines · 47 tokens per session scan A b1aa979e0c46
deck-open-slide-canvas is a skill published in the GitHub repository nexu-io/open-design (95,309 stars, last pushed today), licensed Apache-2.0. It adds 47 tokens to every session and 1,493 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 2026-09-03.
Other skills, from other repositories
deck-open-slide-canvas
Open Design's architecture review: the local daemon + agent-runtime design, the tradeoffs, and the decision to lock. Built as a decision-grade product management deck for staff eng, tech leads, security.
replit-deck
For product and technical management work: turn PRDs, roadmaps, RFCs, architecture reviews, and retros into decision documents. Built around the core query "pm-feature-business-case-deck", with product strategy lead judgment, buyer-ready proof, and this outcome: approve the feature, architecture, roadmap, or incident…
hps-true-blueprint
Open Design's engineering blueprint: how the sandbox, sidecar, and daemon fit — the system diagram and the invariants. Built as a decision-grade product management deck for engineering org.
html-ppt-graphify-dark-graph
Open Design's feature business case for the plugin marketplace: the user pain, options, tradeoffs, and the measure of success. Built as a decision-grade product management deck for PM, eng, design, leadership.
html-ppt-knowledge-arch-blueprint
Open Design's incident retro: the daemon-restart data bug, the root cause, the fix, and the systemic follow-ups. Built as a decision-grade product management deck for engineering, SRE, leadership.
deck-guizang-editorial
A slide-deck template combining electronic-magazine layouts with an e-ink, printed-paper look. It offers five fixed color palettes and ten reusable page layouts for storytelling and editorial content.