Agentage Memory vs Callosium

In-depth architectural comparison of the Agentage Memory and Callosium 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?

A

Choose Agentage Memory when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Agentage Memory Details

Choose Callosium when:

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

Explore Callosium Details

Feature & Specification Comparison

Specification	A Agentage Memory Knowledge & Memory	Callosium Knowledge & Memory
Summary	One memory, every AI. A shared, user-owned markdown memory your AI clients read and write over MCP.	One shared memory for every AI you use, in plain Markdown files you own.
Category & Scope	Knowledge & Memory	Knowledge & Memory
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": {
    "agentage-memory": {
      "url": "https://agentage.io"
    }
  }
}

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

Related MCP Server Comparisons