MADB — Agent Memory Database vs Citadel

In-depth architectural comparison of the MADB — Agent Memory Database and Citadel 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?

M

Choose MADB — Agent Memory Database 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 MADB — Agent Memory Database Details

Choose Citadel 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 Citadel Details

Feature & Specification Comparison

Specification	M MADB — Agent Memory Database Databases	Citadel Databases
Summary	Durable causal memory for AI agents — semantic recall, causal lineage, and skills. Local-first.	Encrypted-first embedded database with vector search and agent memory, exposed as MCP tools
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": {
    "madb-agent-memory-database": {
      "command": "uvx",
      "args": [
        "madb-mcp-server"
      ]
    }
  }
}

{
  "mcpServers": {
    "citadel": {
      "command": "uvx",
      "args": [
        "citadeldb-mcp"
      ]
    }
  }
}

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