Comparison
Deja Vu vs ECC
ECC has more GitHub stars (279,762 vs 1,201). Deja Vu was updated more recently (last commit 13h ago). Data comes straight from GitHub and refreshes daily.
Deja Vu
Coding agent memory for Claude Code, Codex, Cursor and 39 more, built from the session history already on your disk. Local search, MCP and hooks, no LLM, one Go binary.
$
npx skills add https://github.com/vshulcz/deja-vu --skill deja-search
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 | Deja Vu | ECC |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 1,201 | 279,762 |
| Stars, last 7 days | — | — |
| Forks | 115 | 41,620 |
| Upvotes | 0 | 0 |
| Language | Go | JavaScript |
| License | MIT | MIT |
| Last commit | 13h ago | 2d ago |
| Created | Jul 2026 | Jan 2026 |
| Categories | AI & LLM tooling, Search & web, Memory & knowledge | AI & LLM tooling, Memory & knowledge, Security |