What is the key difference between Sendmux MCP and Shipmail Mcp?

Sendmux MCP belongs to the Communication category with local stdio execution, while Shipmail Mcp belongs to the Communication category with local stdio execution.

How do I install Sendmux MCP or Shipmail 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 Sendmux MCP and Shipmail Mcp free or paid?

Sendmux MCP operates under a Free / Open Source model (No auth required). Shipmail Mcp operates under a BYOK (Pay Provider Direct) model (API Key required).

Which MCP server has more tools and community activity?

Sendmux MCP lists 0 tools with 0 views and 0 GitHub stars. Shipmail Mcp lists 6 tools with 1 views and 1 GitHub stars.

Can I use both Sendmux MCP and Shipmail 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.

How do I install Sendmux MCP or Shipmail Mcp 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 Sendmux MCP and Shipmail Mcp free to use, or do they require API keys?

Sendmux MCP is listed under a Free / Open Source model with No auth required . Shipmail Mcp operates under a BYOK (Pay Provider Direct) model with API Key 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 Sendmux MCP and Shipmail Mcp at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both sendmux-mcp and jcoulaud-shipmail-mcp 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, Sendmux MCP has a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Shipmail Mcp holds a Quality Score of 55 /100 ( Good ) with 1 views, 0 installs, and 1 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Sendmux MCP vs Shipmail Mcp

In-depth architectural comparison of the Sendmux MCP and Shipmail 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

Sendmux MCP

Communication · Local stdio

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

Shipmail Mcp

Communication · Local stdio

Quality: 55/100 (Good) | Auth: API Key required

Verdict Summary: Choose Sendmux MCP if you need specialized Communication tools running via a local process. Choose Shipmail Mcp 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 Sendmux MCP 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 Sendmux MCP Details

Choose Shipmail Mcp when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
Primary tools included: Custom-domain mailbox access, Message reading and sending, Reply drafting.

Explore Shipmail Mcp Details

Feature & Specification Comparison

Specification	S Sendmux MCP Communication	Shipmail Mcp jcoulaud Communication
Summary	Email inbox API for AI agents with MCP tools for Mailbox, Management, and Sending APIs.	Business email MCP server for AI agents. Manage custom-domain mailboxes, read and send messages, draft replies, inspect threads, and automate Shipmail REST API/webhook workflows.
Category & Scope	Communication	Communication

Tools & Capabilities Breakdown

Sendmux MCP Tools (0)

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

Shipmail Mcp Tools (6)

Custom-domain mailbox access

Message reading and sending

Reply drafting

Thread inspection

Webhook management

Suppression management

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).

Sendmux MCP Configuration

mcpServers (Claude Desktop / Cursor)

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

Shipmail Mcp Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Sendmux MCP More alternatives to Shipmail Mcp Communication category hub Canonical compare URL