Comparison
Open Seo vs uml.singsk.com PlantUML
Open Seo has more GitHub stars (23,838 vs 0). Open Seo was updated more recently (last commit 1w ago). Data comes straight from GitHub and refreshes daily.
Open Seo
Open source alternative to Semrush and Ahrefs
$
npx skills add every-app/open-seo --skill simple-issue-description
uml.singsk.com PlantUML
Render, validate, encode/decode PlantUML diagram-as-code; 22 diagram types. Free, no auth.
$
claude mcp add --transport http uml-singsk-com-plantuml https://uml.singsk.com/mcp| Metric | Open Seo | uml.singsk.com PlantUML |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 23,838 | 0 |
| Stars, last 7 days | +104 | n/a |
| Forks | 3,178 | 0 |
| Upvotes | 0 | 0 |
| Language | TypeScript | n/a |
| License | MIT | n/a |
| Last commit | 1w ago | n/a |
| Created | Feb 2026 | n/a |
| Categories | Search & web, Security, AI & LLM tooling | Security |