Comparison
ECC vs Poland Invoices (KSeF 2.0 national e-invoice API)
ECC has more GitHub stars (281,307 vs 0). ECC was updated more recently (last commit 6d 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
Poland Invoices (KSeF 2.0 national e-invoice API)
Poland KSeF 2.0 national e-invoices for AI agents: issue FA(3) faktura, query by KSeF number.
$
claude mcp add --transport http poland-invoices-ksef-2-0-natio https://inv-pl.wishpool.app/mcp| Metric | ECC | Poland Invoices (KSeF 2.0 national e-invoice API) |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 281,307 | 0 |
| Stars, last 7 days | +1,108 | n/a |
| Forks | 41,827 | 0 |
| Upvotes | 1 | 0 |
| Language | JavaScript | n/a |
| License | MIT | n/a |
| Last commit | 6d ago | n/a |
| Created | Jan 2026 | n/a |
| Categories | AI & LLM tooling, Memory & knowledge, Security | n/a |