html-diagram
Direct-invocation specialist for self-contained HTML diagrams whose layout, notation, and interaction clarify relationships, sequence, topology, state, hierarchy, or quantitative structure
Install / Use
npx skills add plannotator/effective-html --skill html-diagramInstalls into whichever agent you are using.
SKILL.md
Installable skill definition
Quality Score
Category
Development & EngineeringSupported Platforms
Tags
Our assessment of html-diagram
html-diagram scores 86/100 on our quality scale, 1267th of 3,045 Development & Engineering skills we index (top 42%).
We have not analysed the SKILL.md file itself yet, so the content part of this score is an estimate until our crawler reaches it.
With 3,290 GitHub stars, it is one of the more widely adopted skills in the catalogue.
Maintenance, license and trust
- The repository was last updated 13 days ago, so html-diagram is actively maintained.
- It is released under the MIT license, a permissive license that allows use, modification and commercial use with attribution.
- Its trust signals score 100/100, with no cautions. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.
html-diagram compared with similar skills
All 4 of these similar skills score higher than html-diagram; compare them before choosing.
| Skill | Score | Stars | Updated | Format |
|---|---|---|---|---|
| html-diagram (this skill)by plannotator | 86 | 3.3k | 13d ago | SKILL.md |
| ai-job-searchby MadsLorentzen | 100 | 44.3k | today | CLAUDE.md |
| claude-howtoby luongnv89 | 100 | 41.7k | 1d ago | CLAUDE.md |
| algorithmic-artby anthropics | 100 | 177.9k | 5d ago | SKILL.md |
| pptxby anthropics | 100 | 177.9k | 5d ago | SKILL.md |
Frequently asked questions
- How do I install html-diagram?
- Run
npx skills add plannotator/effective-html --skill html-diagram. The install tabs above show the steps for each supported agent. - Which AI agents does html-diagram work with?
- It is written for Universal, as a SKILL.md file. Other agents that read the same format can often use it too.
- Is html-diagram safe to use?
- It is MIT-licensed and scores 100/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
- Is html-diagram still maintained?
- The repository was last updated 13 days ago, so html-diagram is actively maintained.
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Languages
Trust signals
From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.