Comparison
Matryoshka vs ECC
ECC has more GitHub stars (279,762 vs 150). ECC was updated more recently (last commit 2d ago). Data comes straight from GitHub and refreshes daily.
Matryoshka
MCP server for token-efficient large document analysis via the use of REPL state
$
npx matryoshka-rlm "How many ERROR entries are there?" ./server.log
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 | Matryoshka | ECC |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 150 | 279,762 |
| Stars, last 7 days | — | — |
| Forks | 20 | 41,620 |
| Upvotes | 0 | 0 |
| Language | TypeScript | JavaScript |
| License | Apache-2.0 | MIT |
| Last commit | 5mo ago | 2d ago |
| Created | Jan 2026 | Jan 2026 |
| Categories | AI & LLM tooling, Memory & knowledge | AI & LLM tooling, Memory & knowledge, Security |