# Diagram Design (agent skill)

> Diagram Design is an agent skill (a SKILL.md file) from Unclecheng-li/AI_Animation. Create technical and product diagrams — architecture, flowchart, sequence, state machine, ER / data model, timeline, swimlane, quadrant, nested, tree, org chart, layer stack, venn, pyramid — as. It works with Claude Code and Cursor and has 1,453 GitHub stars across a repository of 2 listed skills.

Create technical and product diagrams — architecture, flowchart, sequence, state machine, ER / data model, timeline, swimlane, quadrant, nested, tree, org chart, layer stack, venn, pyramid — as standalone HTML files with inline SVG. Ships with a neutral editorial skin and a first-run gate that prompts users to customize the style guide (colors, fonts) from their own website before generating. Includes annotation-callout primitive and optional sketchy variant.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/Unclecheng-li/AI_Animation |
| Skill path | skills/swiss-shot-demos/assets/chart-skills/diagram-design/SKILL.md |
| Skill name | diagram-design |
| GitHub stars | 1,453 |
| Installs on skills.sh | not listed |
| License | MIT |
| Skills in repo | 2 |
| Plugin marketplace | no |
| Official | no |
| Works with | Claude Code, Cursor |
| Category | Design & frontend |
| Last commit | Oct 5, 2026 |

## Add this skill

### Claude Code

```sh
git clone --depth 1 https://github.com/Unclecheng-li/AI_Animation.git
cp -r AI_Animation/skills/swiss-shot-demos/assets/chart-skills/diagram-design ~/.claude/skills/diagram-design   # personal, or .claude/skills in a project
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/Unclecheng-li/AI_Animation.git
cp -r AI_Animation/skills/swiss-shot-demos/assets/chart-skills/diagram-design .agents/skills/diagram-design   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/Unclecheng-li/AI_Animation.git
cp -r AI_Animation/skills/swiss-shot-demos/assets/chart-skills/diagram-design .cursor/skills/diagram-design   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

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Canonical page: https://appsgit.com/skills/unclecheng-li-diagram-design
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