Agent Pegboard
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Diagram Design

Skills Skill + plugin

100

Agent skill that draws diagrams as one self-contained HTML + SVG file across 45 diagram types; also installs as a Claude Code or Codex plugin.

GitHub stars★ 63,212
LicenseMIT
Last push3d ago
LanguageHTML
Named in README as working with
Claude CodeCursorCodexGemini CLIWindsurfGitHub CopilotClineZedOpenCode

Per its own README, as of Oct 30, 2026. Not verified by hand.

Public-signal score

100
Strong signalsPublic-signal score, 100/100Computed Oct 30, 2026 from public GitHub data. Not a hands-on test.
Maintenance (last push)
30/30
License clarity
15/15
Documentation
20/20
Adoption (stars)
20/20
Client compatibility (README)
15/15
Hands-on agent test: not yet run

When a sandbox test is run, the result and logs will appear here, labeled separately from the score.

Quick answers

What is Diagram Design?

Agent skill that draws diagrams as one self-contained HTML + SVG file across 45 diagram types; also installs as a Claude Code or Codex plugin.

Is Diagram Design open source?

GitHub detects the license as MIT. Check the repository's LICENSE file before relying on that.

Which clients does Diagram Design work with?

Its README names: Claude Code, Cursor, Codex, Gemini CLI, Windsurf, GitHub Copilot, Cline, Zed, OpenCode. That is not a hands-on compatibility test.

Is Diagram Design actively maintained?

The last push was 2026-10-27 (3d ago), as of Oct 30, 2026.

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