What is the key difference between Email MCP and Sendmux Sdk?

Email MCP belongs to the Communication category with local stdio execution, while Sendmux Sdk belongs to the Communication category with local stdio execution.

How do I install Email MCP or Sendmux Sdk 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 Email MCP and Sendmux Sdk free or paid?

Email MCP operates under a Free / Open Source model (other). Sendmux Sdk operates under a Freemium model (OAuth 2.0).

Which MCP server has more tools and community activity?

Email MCP lists 47 tools with 3 views and 110 GitHub stars. Sendmux Sdk lists 5 tools with 2 views and 73 GitHub stars.

Can I use both Email MCP and Sendmux Sdk 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

Email MCP vs Sendmux Sdk

In-depth architectural comparison of the Email MCP and Sendmux Sdk 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

Email MCP

Communication · Local stdio

Quality: 68/100 (Great) | Auth: other

Sendmux Sdk

Communication · Local stdio

Quality: 47/100 (Fair) | Auth: OAuth 2.0

Verdict Summary: Choose Email MCP if you need specialized Communication tools running via a local process. Choose Sendmux Sdk 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 Email MCP when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Free / Open Source).
You have access to required keys: MCP_EMAIL_ADDRESS, MCP_EMAIL_PASSWORD, MCP_EMAIL_IMAP_HOST, MCP_EMAIL_SMTP_HOST, EMAIL_ACCOUNTS.
Primary tools included: list_accounts, list_mailboxes, list_emails.

Explore Email MCP Details

Choose Sendmux Sdk when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: OAuth 2.0 (Freemium).
You have access to required keys: SENDMUX_OAUTH_CLIENT_ID, SENDMUX_OAUTH_CLIENT_SECRET, SENDMUX_API_KEY.
Primary tools included: .

Feature & Specification Comparison

Specification	Email MCP codefuturist Communication	Sendmux Sdk Sendmux Communication
Summary	IMAP/SMTP email MCP server with 42 tools for reading, searching, sending, scheduling, and managing emails across multiple accounts. Supports IMAP IDLE push, AI triage, desktop notifications, and auto-detects providers like Gmail, Outlook, and iCloud.	Email inbox API MCP server for AI agents to receive, search, and send mail through hosted or local Sendmux Product MCP.
Category & Scope

Tools & Capabilities Breakdown

Email MCP Tools (47)

list_accounts

List all configured email accounts

list_mailboxes

List folders with unread counts and special-use flags

list_emails

Paginated email listing with date, sender, subject, and flag filters

get_email

Read full email content with attachment metadata

get_emails

Fetch full content of multiple emails in a single call (max 20)

get_email_status

Get read/flag/label state of an email without fetching the body

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).

Email MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "codefuturist-email-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@codefuturist/email-mcp"
      ],
      "env": {
        "MCP_EMAIL_ADDRESS": "YOUR_MCP_EMAIL_ADDRESS_HERE",
        "MCP_EMAIL_PASSWORD": "YOUR_MCP_EMAIL_PASSWORD_HERE",
        "MCP_EMAIL_IMAP_HOST": "YOUR_MCP_EMAIL_IMAP_HOST_HERE",
        "MCP_EMAIL_SMTP_HOST": "YOUR_MCP_EMAIL_SMTP_HOST_HERE",
        "EMAIL_ACCOUNTS": "YOUR_EMAIL_ACCOUNTS_HERE"
      }
    }
  }
}

Sendmux Sdk Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "sendmux-sendmux-sdk": {
      "command": "uvx",
      "args": [
        "sendmux-core"
      ],
      "env": {
        "SENDMUX_OAUTH_CLIENT_ID": "YOUR_SENDMUX_OAUTH_CLIENT_ID_HERE",
        "SENDMUX_OAUTH_CLIENT_SECRET": "YOUR_SENDMUX_OAUTH_CLIENT_SECRET_HERE",
        "SENDMUX_API_KEY": "YOUR_SENDMUX_API_KEY_HERE"
      }
    }
  }
}

Frequently Asked Questions

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

More alternatives to Email MCP More alternatives to Sendmux Sdk Communication category hub