What is the key difference between 6DuckLearn MCP and Cortexpad?

6DuckLearn MCP belongs to the Knowledge & Memory category with local stdio execution, while Cortexpad belongs to the Knowledge & Memory category with cloud HTTP/SSE execution.

How do I install 6DuckLearn MCP or Cortexpad 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 6DuckLearn MCP and Cortexpad free or paid?

6DuckLearn MCP operates under a Free / Open Source model (No auth required). Cortexpad operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

6DuckLearn MCP lists 0 tools with 0 views and 1 GitHub stars. Cortexpad lists 0 tools with 0 views and 0 GitHub stars.

Can I use both 6DuckLearn MCP and Cortexpad 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.

How do I install 6DuckLearn MCP or Cortexpad in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are 6DuckLearn MCP and Cortexpad free to use, or do they require API keys?

6DuckLearn MCP is listed under a Free / Open Source model with No auth required . Cortexpad operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both 6DuckLearn MCP and Cortexpad at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both 6ducklearn-mcp and cortexpad as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, 6DuckLearn MCP has a Quality Score of 39 /100 ( Fair ) with 0 views, 0 installs, and 1 GitHub stars. Cortexpad holds a Quality Score of 42 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

6DuckLearn MCP vs Cortexpad

In-depth architectural comparison of the 6DuckLearn MCP and Cortexpad 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

6DuckLearn MCP

Knowledge & Memory · Local stdio

Quality: 39/100 (Fair) | Auth: No auth required

Cortexpad

Knowledge & Memory · Remote HTTP/SSE

Quality: 42/100 (Fair) | Auth: No auth required

Verdict Summary: Choose 6DuckLearn MCP if you need specialized Knowledge & Memory tools running via a local process. Choose Cortexpad if your workspace requires Knowledge & Memory integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose 6DuckLearn 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 6DuckLearn MCP Details

Choose Cortexpad 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 Cortexpad Details

Feature & Specification Comparison

Specification	6DuckLearn MCP Knowledge & Memory	C Cortexpad Knowledge & Memory
Summary	Connect agents to 6DuckLearn memory, approvals, and runtime control.	Google Keep-style notes app with an MCP server for AI agents to read/write notes.
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

Tools & Capabilities Breakdown

6DuckLearn MCP Tools (0)

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

Cortexpad 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).

6DuckLearn MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "6ducklearn-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "github"
      ]
    }
  }
}

Cortexpad Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "cortexpad": {
      "url": "https://cortexpad.com"
    }
  }
}

Frequently Asked Questions

6DuckLearn MCP is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Cortexpad belongs to Knowledge & Memory using remote streaming HTTP/SSE transport. Select 6DuckLearn MCP when you need capabilities focused on knowledge & memory and Cortexpad when you require tools for knowledge & memory.

More alternatives to 6DuckLearn MCP More alternatives to Cortexpad Knowledge & Memory category hub