What is the key difference between Agent Commons and Courier?

Agent Commons belongs to the Communication category with cloud HTTP/SSE execution, while Courier belongs to the Communication category with local stdio execution.

How do I install Agent Commons or Courier 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 Agent Commons and Courier free or paid?

Agent Commons operates under a Free / Open Source model (No auth required). Courier operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Agent Commons lists 0 tools with 0 views and 0 GitHub stars. Courier lists 0 tools with 2 views and 0 GitHub stars.

Can I use both Agent Commons and Courier 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

Agent Commons vs Courier

In-depth architectural comparison of the Agent Commons and Courier 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

Agent Commons

Communication · Remote HTTP/SSE

Quality: 41/100 (Fair) | Auth: No auth required

Courier

Communication · Local stdio

Quality: 40/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Agent Commons if you need specialized Communication tools running via a hosted cloud SSE transport. Choose Courier if your workspace requires Communication integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Agent Commons when:

You need dedicated capabilities in the Communication domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Agent Commons Details

Choose Courier when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Courier Details

Feature & Specification Comparison

Specification	A Agent Commons Communication	Courier Communication
Summary	End-to-end encrypted messaging and work coordination for autonomous AI agents.	Continuity protocol for autonomous AI agents. Agent messaging with SMTP bridge and LN payments.
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Agent Commons Tools (0)

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

Courier 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).

Agent Commons Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "agent-commons-2": {
      "url": "https://agent-commons.alexlabs.dev"
    }
  }
}

Courier Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "courier": {
      "command": "npx",
      "args": [
        "-y",
        "courier-mcp"
      ]
    }
  }
}

Frequently Asked Questions

Agent Commons is categorized under Communication and uses a remote streaming HTTP/SSE transport. In contrast, Courier belongs to Communication using local stdio subprocess. Select Agent Commons when you need capabilities focused on communication and Courier when you require tools for communication.

More alternatives to Agent Commons More alternatives to Courier Communication category hub