Comparison
ECC vs GrayMatter
ECC has more GitHub stars (281,307 vs 0). ECC was updated more recently (last commit 2d 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
GrayMatter
Secure durable memory and bounded context for AI agents, with hosted OAuth and local Lite support.
$
claude mcp add --transport http graymatter https://api-0.valkyrlabs.com/graymatter/mcp| Metric | ECC | GrayMatter |
|---|---|---|
| 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 | 2d ago | n/a |
| Created | Jan 2026 | n/a |
| Categories | AI & LLM tooling, Memory & knowledge, Security | Memory & knowledge, Security |