Arca vs Deja Vu
A side-by-side look at the Arca and Deja Vu MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Arca for knowledge & memory work; choose Deja Vu for knowledge & memory. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Deja Vu when
- You need dedicated capabilities in the Knowledge & Memory domain.
- Its auth model fits you: No auth required.
- You want tools like
deja.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | A Arca | |
|---|---|---|
| Category | Knowledge & Memory | Knowledge & Memory |
| Quality signal | 38/100 · Fair | 59/100 · Good |
| Install command | Not confirmed yet | Not confirmed yet |
| Transport | — | — |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | — | 1,292 |
| Directory activity | 2 views 0 installs 0 upvotes | 8 views 0 installs 0 upvotes |
| Tools | Not listed | 1 |
| Full listing | View Arca | View Deja Vu |
Tools & capabilities
Arca tools
No tool names declared yet. Check the project README from the listing page.
Deja Vu tools 1
dejaDepends on the mode, below.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Arca
No confirmed install command for Arca yet — follow the setup steps linked from its listing page rather than a guessed package name.
Deja Vu
No confirmed install command for Deja Vu yet — follow the setup steps linked from its listing page rather than a guessed package name.