What is the key difference between Edith Second Brain and Perenna?

Edith Second Brain belongs to the Knowledge & Memory category with local stdio execution, while Perenna belongs to the Knowledge & Memory category with local stdio execution.

How do I install Edith Second 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 Edith Second Brain and Perenna free or paid?

Edith Second 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?

Edith Second Brain lists 0 tools with 0 views and 0 GitHub stars. Perenna lists 0 tools with 1 views and 41 GitHub stars.

Can I use both Edith Second 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

Edith Second Brain vs Perenna

In-depth architectural comparison of the Edith Second 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

Edith Second Brain

Knowledge & Memory · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Perenna

Knowledge & Memory · Local stdio

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

Verdict Summary: Choose Edith Second Brain if you need specialized Knowledge & Memory tools running via a local process. 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 Edith Second Brain 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 Edith Second 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	E Edith Second Brain Knowledge & Memory	P Perenna Knowledge & Memory
Summary	Claude distils its past sessions into linked Markdown notes on disk and searches them later.	A lightweight, Git-backed permanent memory for AI agents.
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

Tools & Capabilities Breakdown

Edith Second 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).

Edith Second Brain Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "edith-second-brain": {
      "command": "npx",
      "args": [
        "-y",
        "edith-second-brain"
      ]
    }
  }
}

Perenna Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

Edith Second Brain is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Perenna belongs to Knowledge & Memory using local stdio subprocess. Select Edith Second Brain when you need capabilities focused on knowledge & memory and Perenna when you require tools for knowledge & memory.

More alternatives to Edith Second Brain More alternatives to Perenna Knowledge & Memory category hub