What is the key difference between Mail and SenderKit?

Mail belongs to the Communication category with local stdio execution, while SenderKit belongs to the Communication category with local stdio execution.

How do I install Mail or SenderKit 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 Mail and SenderKit free or paid?

Mail operates under a Free / Open Source model (No auth required). SenderKit operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Mail lists 0 tools with 0 views and 0 GitHub stars. SenderKit lists 0 tools with 2 views and 1 GitHub stars.

Can I use both Mail and SenderKit 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

Mail vs SenderKit

In-depth architectural comparison of the Mail and SenderKit 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

Mail

Communication · Local stdio

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

SenderKit

Communication · Local stdio

Quality: 44/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Mail if you need specialized Communication tools running via a local process. Choose SenderKit 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 Mail 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 Mail Details

Choose SenderKit 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 SenderKit Details

Feature & Specification Comparison

Specification	M Mail Communication	SenderKit Communication
Summary	Email + calendar for any IMAP/CalDAV mailbox — OVH, Gandi, iCloud, Zoho, Fastmail and more.	Build and send email, SMS, and push straight from your AI agent.
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Mail Tools (0)

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

SenderKit 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).

Mail Configuration

mcpServers (Claude Desktop / Cursor)

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

SenderKit Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "senderkit": {
      "command": "npx",
      "args": [
        "-y",
        "skills"
      ]
    }
  }
}

Frequently Asked Questions

Mail is categorized under Communication and uses a local stdio subprocess. In contrast, SenderKit belongs to Communication using local stdio subprocess. Select Mail when you need capabilities focused on communication and SenderKit when you require tools for communication.

More alternatives to Mail More alternatives to SenderKit Communication category hub