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Coco Diagram

Coco Diagram is an agent skill (a SKILL.md file) from coco-research/coco. It is used for architecture, current-state, process, data-flow, medallion, or DP diagrams, including redrawing .drawio and Mermaid sources. It works with Claude Code, Codex, Cursor and GitHub Copilot and has 791 GitHub stars.

github.com/coco-research/coco/skills/coco-diagram (opens in a new tab)

Data as of from the GitHub API; description from the skill's SKILL.md. Report an error

View on GitHub (opens in a new tab)

Add this skill

Claude

Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):

git clone --depth 1 https://github.com/coco-research/coco.git
cp -r coco/skills/coco-diagram ~/.claude/skills/coco-diagram   # personal, or .claude/skills in a project

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

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/coco-research/coco.git
cp -r coco/skills/coco-diagram .agents/skills/coco-diagram   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/coco-research/coco.git
cp -r coco/skills/coco-diagram .cursor/skills/coco-diagram   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Use for architecture, current-state, process, data-flow, medallion, or DP diagrams, including redrawing .drawio and Mermaid sources. Creates branded flowchart, sequence, ER, org, timeline, and chart visuals as standalone HTML/SVG/PNG. Create visual diagrams as self-contained HTML files with inline SVG and CSS, following an opinionated editorial design system.

When it triggers

  • Use for architecture, current-state, process, data-flow, medallion, or DP diagrams, including redrawing .

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FAQ

Coco Diagram FAQ

Still curious? Email info@appsgit.com.

How do I install the Coco Diagram skill?

Copy the coco-diagram folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.

Is the Coco Diagram skill free?

Yes. The repository is open source under the MIT license.

Is Coco Diagram maintained?

The repository's most recent commit was on Oct 26, 2026. Its latest release is v1.9.1. appsgit only lists skills from repositories with a commit in the last six months.