Dark Memory MCP vs FactMem

In-depth architectural comparison of the Dark Memory MCP and FactMem MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Dark Memory MCP when:

• You need dedicated capabilities in the Databases domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Dark Memory MCP Details

F

Choose FactMem when:

• You need dedicated capabilities in the Databases domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: log_event, get_events, get_session_context.

Explore FactMem Details

Feature & Specification Comparison

Specification	Dark Memory MCP Databases	F FactMem Databases
Summary	Persistent memory + vibe-loop engine for AI agents. Single Go binary, SQLite-backed, stdio MCP.	A local memory engine. You own the SQLite file. Not Mem0's hosted OpenMemory MCP.
Category & Scope	Databases	Databases
Quality signal

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "dark-memory-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@opitacode/dark-memory-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "factmem": {
      "command": "npx",
      "args": [
        "-y",
        "and"
      ]
    }
  }
}

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