Comparison
nac vs ECC
ECC has more GitHub stars (279,762 vs 284). nac was updated more recently (last commit 7h ago). Data comes straight from GitHub and refreshes daily.
nac
Give AI agents ambitious work without losing the plot. nac is an open-source harness for long-running tasks, using a central orchestrator, threads, and structured episodes to…
$
git clone https://github.com/arcee-ai/nac
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 | nac | ECC |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 284 | 279,762 |
| Stars, last 7 days | — | — |
| Forks | 28 | 41,620 |
| Upvotes | 0 | 0 |
| Language | Rust | JavaScript |
| License | Apache-2.0 | MIT |
| Last commit | 7h ago | 2d ago |
| Created | Mar 2026 | Jan 2026 |
| Categories | AI & LLM tooling, Memory & knowledge | AI & LLM tooling, Memory & knowledge, Security |