Comparison
Openpencil vs ECC
ECC has more GitHub stars (279,762 vs 6,158). Openpencil was updated more recently (last commit 23h ago). Data comes straight from GitHub and refreshes daily.
Openpencil
The world's first open-source AI-native vector design tool and the first to feature concurrent Agent Teams. Design-as-Code. Turn prompts into UI directly on the live canvas. A…
$
brew install --cask openpencil
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 | Openpencil | ECC |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 6,158 | 279,762 |
| Stars, last 7 days | n/a | n/a |
| Forks | 536 | 41,620 |
| Upvotes | 0 | 0 |
| Language | Rust | JavaScript |
| License | MIT | MIT |
| Last commit | 23h ago | 3d ago |
| Created | Feb 2026 | Jan 2026 |
| Categories | Design & frontend, Databases, AI & LLM tooling | AI & LLM tooling, Memory & knowledge, Security |