OpenAgentSkill Registry Manifest
Skill: html-diagram
Slug: plannotator-html-diagram
Category: research
Description: Direct-invocation specialist for self-contained HTML diagrams whose layout, notation, and interaction clarify relationships, sequence, topology, state, hierarchy, or quantitative structure. Use when the user explicitly invokes html-diagram or the broad html skill routes a diagram request here. Do not activate independently from a general request.

Agent fit:
- Decision: 89/100 Production-ready
- Primary fit: Research agents
- Role: Primary pick

Supply profile:
- Track: Research and knowledge work
- Scenario: Research agents
- Applicable agents: Claude Code, CLI, Codex, Cursor
- Maintenance: 1mo since push
- Risk: Needs review

Trust:
- Trust score: 84/100 Strong shortlist
- Audit: 84/100 Needs review

Attribution:
- Status: Registry indexed
- Source: github fast track
- Creator: plannotator
- Claim URL: https://www.openagentskill.com/skills/plannotator-html-diagram#claim-this-skill

Install:
npx skills add plannotator/effective-html --skill html-diagram

URLs:
- Web: https://www.openagentskill.com/skills/plannotator-html-diagram
- API: https://www.openagentskill.com/api/agent/skills/plannotator-html-diagram
- Install API: https://www.openagentskill.com/api/skills/plannotator-html-diagram/install
- Repository: https://github.com/plannotator/effective-html/tree/main/skills/html-diagram