Comparison
Domain Health vs Open Seo
Open Seo has more GitHub stars (23,838 vs 0). Open Seo was updated more recently (last commit 2d ago). Data comes straight from GitHub and refreshes daily.
Domain Health
Domain checks: SPF, DKIM, DMARC, BIMI, MTA-STS, SSL/TLS and HTTP security headers.
$
claude mcp add --transport http domain-health https://mcp.modernmustardseed.com/domain-health
Open Seo
Open source alternative to Semrush and Ahrefs
$
npx skills add every-app/open-seo --skill simple-issue-description| Metric | Domain Health | Open Seo |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 0 | 23,838 |
| Stars, last 7 days | n/a | +104 |
| Forks | 0 | 3,178 |
| Upvotes | 0 | 0 |
| Language | n/a | TypeScript |
| License | n/a | MIT |
| Last commit | n/a | 2d ago |
| Created | n/a | Feb 2026 |
| Categories | Security | Search & web, Security, AI & LLM tooling |