Comparison
ECC vs Open Seo
ECC has more GitHub stars (280,199 vs 23,734). ECC was updated more recently (last commit 5h ago). Data comes straight from GitHub and refreshes daily.
ECC
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
$
/plugin marketplace add https://github.com/affaan-m/ECC
Open Seo
Open source alternative to Semrush and Ahrefs
$
npx skills add every-app/open-seo --skill simple-issue-description| Metric | ECC | Open Seo |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 280,199 | 23,734 |
| Stars, last 7 days | n/a | n/a |
| Forks | 41,674 | 3,161 |
| Upvotes | 0 | 0 |
| Language | JavaScript | TypeScript |
| License | MIT | MIT |
| Last commit | 5h ago | 1d ago |
| Created | Jan 2026 | Feb 2026 |
| Categories | AI & LLM tooling, Memory & knowledge, Security | Search & web, Security, AI & LLM tooling |