Comparison
Openworkdays vs ECC
ECC has more GitHub stars (279,762 vs 0). ECC was updated more recently (last commit 2d ago). Data comes straight from GitHub and refreshes daily.
Openworkdays
Zero-signup business-day date-math API: add days, count days between dates, is-business-day.
$
claude mcp add --transport http openworkdays https://openworkdays.vercel.app/api/mcp
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| Metric | Openworkdays | ECC |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 0 | 279,762 |
| Stars, last 7 days | n/a | n/a |
| Forks | 0 | 41,620 |
| Upvotes | 0 | 0 |
| Language | n/a | JavaScript |
| License | n/a | MIT |
| Last commit | n/a | 2d ago |
| Created | n/a | Jan 2026 |
| Categories | n/a | AI & LLM tooling, Memory & knowledge, Security |