What is the key difference between Mnemo MCP and Penfield MCP?

Mnemo MCP belongs to the Knowledge & Memory category with local stdio execution, while Penfield MCP belongs to the Knowledge & Memory category with local stdio execution.

How do I install Mnemo MCP or Penfield MCP 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 Mnemo MCP and Penfield MCP free or paid?

Mnemo MCP operates under a Free / Open Source model (No auth required). Penfield MCP operates under a Free / Open Source model (OAuth 2.0).

Which MCP server has more tools and community activity?

Mnemo MCP lists 3 tools with 3 views and 11 GitHub stars. Penfield MCP lists 6 tools with 3 views and 6 GitHub stars.

Can I use both Mnemo MCP and Penfield MCP 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

Mnemo MCP vs Penfield MCP

In-depth architectural comparison of the Mnemo MCP and Penfield 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.

At a Glance & Executive Verdict

Mnemo MCP

Knowledge & Memory · Local stdio

Quality: 60/100 (Good) | Auth: No auth required

Penfield MCP

Knowledge & Memory · Local stdio

Quality: 44/100 (Fair) | Auth: OAuth 2.0

Verdict Summary: Choose Mnemo MCP if you need specialized Knowledge & Memory tools running via a local process. Choose Penfield MCP 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 Mnemo 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).
Primary tools included: config, help, config__open_relay.

Explore Mnemo MCP Details

Choose Penfield MCP when:

You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: OAuth 2.0 (Free / Open Source).
Primary tools included: Persistent memory across sessions, Hybrid BM25, vector, and graph search, Knowledge graph with 24 relationship types.

Explore Penfield MCP Details

Feature & Specification Comparison

Specification	Mnemo MCP n24q02m Knowledge & Memory	Penfield MCP penfieldlabs Knowledge & Memory
Summary	Persistent AI memory with SQLite hybrid search (FTS5 + semantic). Built-in Qwen3 embedding, rclone sync across machines. Zero config, no cloud, no limits.	Penfield: persistent memory with hybrid search (BM25 + vector + graph), 24 relationship types for knowledge graphs, context checkpoints for cognitive handoff, artifact storage, and personality system. Works across Claude, Cursor, Windsurf, and any MCP client.
Category & Scope

Tools & Capabilities Breakdown

Mnemo MCP Tools (3)

config

Server status, trigger sync, update settings, pre-download embedding model, authenticate sync provider, manage HTTP setup form lifecycle, passport export/import

help

Full documentation for any tool

config__open_relay

Open the zero-config relay setup form (registered via mcp-core)

Penfield MCP Tools (6)

Persistent memory across sessions

Hybrid BM25, vector, and graph search

Knowledge graph with 24 relationship types

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).

Mnemo MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "n24q02m-mnemo-mcp": {
      "command": "uvx",
      "args": [
        "mnemo-mcp"
      ]
    }
  }
}

Penfield MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "penfieldlabs-penfield-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to Mnemo MCP More alternatives to Penfield MCP Knowledge & Memory category hub