Comparison
ECC vs Rarefied Earth Groundwork MCP
ECC has more GitHub stars (281,307 vs 0). ECC was updated more recently (last commit 3d 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/ECCRarefied Earth Groundwork MCP
Rarefied Earth Groundwork MCP: company memory for AI agents. 14-day full-access trial, no card.
$
claude mcp add --transport http rarefied-earth-groundwork-mcp https://connector.rarefied.earth/public/mcp| Metric | ECC | Rarefied Earth Groundwork MCP |
|---|---|---|
| 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 | 3d ago | n/a |
| Created | Jan 2026 | n/a |
| Categories | AI & LLM tooling, Memory & knowledge, Security | Memory & knowledge |