Cairn Remembers vs Pageindex MCP

In-depth architectural comparison of the Cairn Remembers and Pageindex MCP 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?

C

Choose Cairn Remembers 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 Cairn Remembers Details

Choose Pageindex MCP 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 Pageindex MCP Details

Feature & Specification Comparison

Specification	C Cairn Remembers Knowledge & Memory	Pageindex MCP Knowledge & Memory
Summary	Local memory your AI tools share: decisions, notes and corrections that carry across sessions.	Reasoning-based RAG system for chatting with long PDFs. Supports local and online files.
Category & Scope	Knowledge & Memory	Knowledge & Memory

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": {
    "cairn-remembers": {
      "command": "npx",
      "args": [
        "-y",
        "cairn-remembers"
      ]
    }
  }
}

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

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