What is the key difference between Zoho Mail MCP and Sendmux Sdk?

Zoho Mail 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 Zoho Mail 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 Zoho Mail MCP and Sendmux Sdk free or paid?

Zoho Mail MCP operates under a Free / Open Source model (API Key required). Sendmux Sdk operates under a Freemium model (OAuth 2.0).

Which MCP server has more tools and community activity?

Zoho Mail MCP lists 4 tools with 2 views and 1 GitHub stars. Sendmux Sdk lists 5 tools with 2 views and 73 GitHub stars.

Can I use both Zoho Mail 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

Zoho Mail MCP vs Sendmux Sdk

In-depth architectural comparison of the Zoho Mail 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

Zoho Mail MCP

Communication · Local stdio

Quality: 43/100 (Fair) | Auth: API Key required

Sendmux Sdk

Communication · Local stdio

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

Verdict Summary: Choose Zoho Mail 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 Zoho Mail MCP when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: ZOHO_CLIENT_ID, ZOHO_CLIENT_SECRET, ZOHO_REFRESH_TOKEN, ZOHO_ACCOUNT_ID, ZOHO_SENDER.
Primary tools included: list_inbox, search_emails, read_email.

Explore Zoho Mail 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	Zoho Mail MCP SirGreed808 Communication	Sendmux Sdk Sendmux Communication
Summary	MCP server for Zoho Mail. Read, search, and send email from Claude.	Email inbox API MCP server for AI agents to receive, search, and send mail through hosted or local Sendmux Product MCP.
Category & Scope	Communication

Tools & Capabilities Breakdown

Zoho Mail MCP Tools (4)

list_inbox

List recent inbox messages — returns sender, subject, date, messageId, folderId

search_emails

Search by keyword, sender email, or subject fragment

read_email

Read full email body given a messageId and folderId

send_email

Send an email from your configured sender address

Sendmux Sdk Tools (5)

Supports Sendmux hosted and local MCP deployments

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).

Zoho Mail MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "sirgreed808-zoho-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "sirgreed808-zoho-mail-mcp"
      ],
      "env": {
        "ZOHO_CLIENT_ID": "YOUR_ZOHO_CLIENT_ID_HERE",
        "ZOHO_CLIENT_SECRET": "YOUR_ZOHO_CLIENT_SECRET_HERE",
        "ZOHO_REFRESH_TOKEN": "YOUR_ZOHO_REFRESH_TOKEN_HERE",
        "ZOHO_ACCOUNT_ID": "YOUR_ZOHO_ACCOUNT_ID_HERE",
        "ZOHO_SENDER": "YOUR_ZOHO_SENDER_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

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

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