A design workspace for creating and comparing web interfaces, presentations, graphics, and visual variations on an open canvas. It can use existing websites or codebases as design references.

Use it to design or redesign pages, features, user flows, products, design systems, presentations, and visual assets, including work based on a live website or codebase.

It gives developers a place to explore layouts and visual directions before settling on an implementation. It also helps keep related pages and reusable design patterns consistent.

superdesign — Skill for Claude Code and Codex by superdesigndev

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.

Any agent

npx skills add superdesigndev/superdesign-skill --skill superdesign

Clone the repo

git clone --depth 1 https://github.com/superdesigndev/superdesign-skill

Made for: Claude Code, Codex.

Or install superdesign-skill, the plugin that ships this one along with the rest of its 1 skill, 1 command.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/superdesigndev/superdesign-skill/superdesign/github.svg)](https://agentmods.dev/skills/superdesigndev/superdesign-skill/superdesign)

Your own site

<a href="https://agentmods.dev/skills/superdesigndev/superdesign-skill/superdesign"><img src="https://agentmods.dev/badge/skills/superdesigndev/superdesign-skill/superdesign/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/superdesigndev/superdesign-skill/superdesign"><img src="https://agentmods.dev/badge/skills/superdesigndev/superdesign-skill/superdesign.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 115 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 3,635 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits

Socket warn 15 Sept 2026
Snyk warn 15 Sept 2026
NVIDIA SkillSpector warn 7 Sept 2026

SkillSpector: 8 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

medium MCP Rug Pull · line 28
npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.

Fix: Pin the version: npx @scope/[email protected]
medium MCP Rug Pull · line 97
npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.

Fix: Pin the version: npx @scope/[email protected]
medium MCP Rug Pull · line 101
npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.

Fix: Pin the version: npx @scope/[email protected]
medium MCP Rug Pull · line 107
npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.

Fix: Pin the version: npx @scope/[email protected]
medium MCP Rug Pull · line 111
npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.

Fix: Pin the version: npx @scope/[email protected]
medium MCP Rug Pull · line 126
npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.

Fix: Pin the version: npx @scope/[email protected]
medium Excessive Agency · line 48
Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
medium Excessive Agency · line 78
Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.

How audits are shown

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.

Model	Per session	Once invoked
Fable 5.1	$0.00115	$0.03635
Opus 5.5	$0.00046	$0.01454
Sonnet 5.5	$0.00023	$0.00727
Haiku 4.5	$0.00012	$0.00364

Measured 1mo ago against content hash f782f8776dbf, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

superdesign 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 1mo 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.

skills/superdesign/SKILL.md · 158 lines

How it starts

The opening of the file, as written. The whole thing — 158 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Superdesign helps you find design inspiration and generate or iterate design drafts on an infinite canvas, with multiple leading models available for different design tasks and side-by-side exploration. When a design needs a new visual asset, it can also provide image and video generation.

Core scenarios (what this skill handles)

Analyze a codebase for design work — superdesign init builds reusable UI context in .superdesign/init/; read INIT.md.
Design, reproduce, or improve UI — create pages, features, flows, and new products on the canvas; read SUPERDESIGN.md.
Choose and compare leading design models — run list-models, select a model suited to the task, or use different models to explore independent directions.
Create design systems and reusable components — establish visual foundations, extract patterns, and design connected multi-page experiences.
Design from a live website or reference URL — extract and apply its design language; read WEBSITE.md.
Create or export presentations — plan an editable slide outline, approve it in chat, generate a real presentation draft, make slide-safe edits, or reconstruct an editable PPTX when requested and supported; read PRESENTATION.md.
Create graphics — posters, covers, social posts, thumbnails, flyers, and ads; read GRAPHIC.md.
Generate supporting images or video — use native image generation when appropriate or choose from Superdesign's generation models; read ASSET_GENERATION.md.
Continue or directly correct existing work — resume saved targets through RESUME.md, or use design-with-your-model.md when direct authoring is the right path.

When continuing a draft, follow SUPERDESIGN.md ITERATION MODE ROUTING: replace refines the selected direction with version history; branch is only for alternatives the user wants to compare.

Read the full file on GitHub · 158 lines

Files

What ships with it

12 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.

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.

1mo ago First seen · 158 lines · 115 tokens per session scan A f782f8776dbf

Subscribe to this mod's changes

superdesign is a skill published in the GitHub repository superdesigndev/superdesign-skill (883 stars, last pushed 2mo ago), licensed MIT. It adds 115 tokens to every session and 3,635 once invoked, about $0.0005 per session on Opus 5.5. 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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