Memory Kernel vs Metabrain

In-depth architectural comparison of the Memory Kernel and Metabrain 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 Memory Kernel 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 Memory Kernel Details

Choose Metabrain 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 Metabrain Details

Feature & Specification Comparison

Specification	Memory Kernel Databases	Metabrain Databases
Summary	Local-first memory for AI agents: SQLite FTS5, deterministic recall, no vector DB, no cloud.	SQLite memory for AI agents: patterns graduate into proven preferences via an experiment loop.
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": {
    "memory-kernel": {
      "command": "uvx",
      "args": [
        "amormorri-memory-kernel"
      ]
    }
  }
}

{
  "mcpServers": {
    "metabrain": {
      "command": "uvx",
      "args": [
        "metabrain"
      ]
    }
  }
}

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