Mnema vs Nautilus Compass

A side-by-side look at the Mnema and Nautilus Compass MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Mnema logoMnemaKnowledge & MemoryLocal-first, formally verified memory for AI agents: consult/learn/related/list over MCP.29EmergingAuth: not declaredNautilus Compass logoNautilus CompassKnowledge & Memory · Local subprocess (stdio)Drift-aware cross-agent memory · MCP/A2A · LongMemEval-S 56.6% · 1/15 Zep cost47FairAuth: not declared

Verdict: choose Mnema for knowledge & memory work; choose Nautilus Compass for knowledge & memory as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Mnema logoChoose Mnema when

  • You need dedicated capabilities in the Knowledge & Memory domain.
  • You have the keys it needs: MNEMA_DATA_DIR, MNEMA_URL, MNEMA_TOKEN.
Explore Mnema

Nautilus Compass logoChoose Nautilus Compass when

  • You need dedicated capabilities in the Knowledge & Memory domain.
  • You prefer a local stdio subprocess transport.
Explore Nautilus Compass

Feature & specification comparison

Rows where the two servers differ are marked.

SpecMnema logoMnemaNautilus Compass logoNautilus Compass
CategoryKnowledge & MemoryKnowledge & Memory
Quality signal29/100 · Emerging47/100 · Fair
Install commandNot confirmed yetConfirmed
Transport—Local subprocess (stdio)
AuthNot declaredNot declared
PricingNot declaredNot declared
Required env varsMNEMA_DATA_DIRMNEMA_URLMNEMA_TOKENNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars01,254
Directory activity 0 views 0 installs 0 upvotes 1 views 0 installs 0 upvotes
ToolsNot listedNot listed

Tools & capabilities

Mnema tools

No tool names declared yet. Check the project README from the listing page.

Nautilus Compass tools

No tool names declared yet. Check the project README from the listing page.

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.

Mnema

No confirmed install command for Mnema yet — follow the setup steps linked from its listing page rather than a guessed package name.

Nautilus Compass

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "nautilus-compass": {
      "command": "uvx",
      "args": [
        "nautilus-compass"
      ]
    }
  }
}

Frequently asked questions

Mnema is categorized under Knowledge & Memory and uses an install path we have not confirmed yet. Nautilus Compass belongs to Knowledge & Memory and uses a local stdio subprocess. Pick Mnema for knowledge & memory work and Nautilus Compass for knowledge & memory.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Mnema has no confirmed install command yet — follow its own setup instructions.

Mnema has no declared pricing — check the project's own site. Nautilus Compass has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add mnema and nautilus-compass as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Mnema has a quality signal of 29/100 (Emerging) with 0 views, 0 installs and 0 GitHub stars. Nautilus Compass has 47/100 (Fair) with 1 views, 0 installs and 1,254 GitHub stars.