domain-finder

April 13, 2026 · View on GitHub

A Claude Code custom slash command that brainstorms startup/project name ideas for any topic and bulk-checks domain availability via api-ninjas.com.

Usage

/domain-finder <topic>

Examples:

/domain-finder AI scheduling tool
/domain-finder sustainable coffee brand
/domain-finder fitness tracker for seniors

The skill will:

  1. Generate 15 diverse name ideas (portmanteaus, descriptive combos, metaphors, etc.)
  2. Expand each into 5 domain variants (~75 domains total)
  3. Bulk-check availability against the API Ninjas domain endpoint
  4. Return a report of available vs. taken domains, with top 5 picks highlighted

Setup

1. Get an API Ninjas key

Sign up for free at api-ninjas.com to get your API key.

2. Install the skill

Copy domain-finder.md into your Claude Code custom commands directory and replace YOUR_API_NINJAS_KEY with your actual key:

# macOS / Linux
cp domain-finder.md ~/.claude/commands/domain-finder.md
sed -i '' 's/YOUR_API_NINJAS_KEY/your_actual_key_here/g' ~/.claude/commands/domain-finder.md

Or open ~/.claude/commands/domain-finder.md in any editor and swap the placeholder manually.

Never commit your real API key to version control.

License

MIT