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HTML Erd Explorer

Category: General  ·  Sub-category: general-misc  ·  Last updated:
Generate HTML entity-relationship diagrams (ERDs) and database schema visualizations with clickable tables, relationship paths, and migration before/after views. Use whenever the user has a database schema, data model, or table structure to document, explain, migrate, or explore — even when they call it a "data model", "schema diagram", or just "the tables". Reach for this any time the conversation touches database structure with more than ~3 tables.

From the source SKILL.md

Database schemas are inherently visual — tables connected by foreign keys, with cardinality and direction. ERDs in markdown are awkward; in dedicated tools they're heavy. An HTML ERD is portable, embeddable in a doc, and click-to-explore.

What this skill does

HTML Erd Explorer is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/html-erd-explorer/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use whenever the user has a database schema, data model, or table structure to document, explain, migrate, or explore — even when they call it a "data model", "schema diagram", or just "the tables". Reach for this any time the conversation touches database structure with more than ~3 tables.

Who uses this skill

The HTML Erd Explorer Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/html-erd-explorer
curl -L https://claudskills.com/skills/html-erd-explorer/SKILL.md \
  -o ~/.claude/skills/html-erd-explorer/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/html-erd-explorer/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/html-erd-explorer/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\html-erd-explorer\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

More General skills

Browse all General skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all General skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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