What is the key difference between Squirrel Brain and Perenna?

Squirrel Brain belongs to the Knowledge & Memory category with cloud HTTP/SSE execution, while Perenna belongs to the Knowledge & Memory category with local stdio execution.

How do I install Squirrel Brain or Perenna in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Squirrel Brain and Perenna free or paid?

Squirrel Brain operates under a Free / Open Source model (No auth required). Perenna operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Squirrel Brain lists 0 tools with 0 views and 0 GitHub stars. Perenna lists 0 tools with 1 views and 40 GitHub stars.

Can I use both Squirrel Brain and Perenna together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Squirrel Brain vs Perenna

In-depth architectural comparison of the Squirrel Brain and Perenna 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.

At a Glance & Executive Verdict

Squirrel Brain

Knowledge & Memory · Remote HTTP/SSE

Quality: 37/100 (Fair) | Auth: No auth required

Perenna

Knowledge & Memory · Local stdio

Quality: 45/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Squirrel Brain if you need specialized Knowledge & Memory tools running via a hosted cloud SSE transport. Choose Perenna if your workspace requires Knowledge & Memory integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Squirrel Brain 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 Squirrel Brain Details

Choose Perenna 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 Perenna Details

Feature & Specification Comparison

Specification	S Squirrel Brain Knowledge & Memory	P Perenna Knowledge & Memory
Summary	Give your AI agent a memory and body on your iPhone: set alarms, ring your phone, over MCP.	A lightweight, Git-backed permanent memory for AI agents.
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

Tools & Capabilities Breakdown

Squirrel Brain Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Perenna Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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).

Squirrel Brain Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "squirrel-brain": {
      "url": "https://squirrelbrainapp.com/mcp"
    }
  }
}

Perenna Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "perenna": {
      "command": "uvx",
      "args": [
        "vexor"
      ]
    }
  }
}

Frequently Asked Questions

Squirrel Brain is categorized under Knowledge & Memory and uses a remote streaming HTTP/SSE transport. In contrast, Perenna belongs to Knowledge & Memory using local stdio subprocess. Select Squirrel Brain when you need capabilities focused on knowledge & memory and Perenna when you require tools for knowledge & memory.

More alternatives to Squirrel Brain More alternatives to Perenna Knowledge & Memory category hub Canonical compare URL