Check Digit Validator vs GitHub
Side-by-side comparison of two Model Context Protocol servers. Pick the right one for Claude Desktop, Claude Code, or Cursor.
Validates IBAN/ISBN/EAN/Luhn checksums and finds the one wrong digit
Comparison
| Feature | Check Digit Validator | GitHub |
|---|---|---|
| Pricing | Free | Free |
| Installs | — | 34 |
| Rating | — | — |
| Verified | — | |
| Hosted | Hosted | Hosted |
| Tools | — | 5 |
| Category | development | development |
| Author | com.gumballtools | GitHub |
| Repo | bwalvoord/gumball | github/github-mcp-server |
When to pick Check Digit Validator
Validates IBAN/ISBN/EAN/Luhn checksums and finds the one wrong digit
When to pick GitHub
Full GitHub access from Claude. Browse repos, read PRs, open issues, check CI runs, review diffs — without switching tabs.
Looking for something else? Browse all MCPs or check trending this week.