effective-html
Effective HTML is a set of skills that helps AI agents create self-contained HTML wireframes, prototypes, plans, and diagrams for designers and developers.
What it is good for
- Sketching low-fidelity page layouts to test structure before design
- Building clickable prototypes that show a working user flow
- Turning a plan or roadmap into a readable HTML document
- Drawing architecture and process diagrams from a written description
At a glance
- Who it is for
- Setup
- Adds to an AI app you already use
Level 2 of 5. Connects to Claude, ChatGPT, or a similar app you already have, usually through a settings screen.
- Cost
- Free and open source
- Type
- Skill or plugin
- Tasks
- Works with
- Claude Code, Codex, Plannotator
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 3,817
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is effective-html free?
- Yes. It is free and open source (MIT license).
- Do I need to know how to code to use effective-html?
- No. Connects to Claude, ChatGPT, or a similar app you already have, usually through a settings screen.
- What does effective-html work with?
- According to its own documentation, it works with Claude Code, Codex, and Plannotator.
- What is effective-html good for?
- Sketching low-fidelity page layouts to test structure before design, building clickable prototypes that show a working user flow, turning a plan or roadmap into a readable HTML document, and drawing architecture and process diagrams from a written description.
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