What is the key difference between Mattermost MCP Host and Sendmux Sdk?

Mattermost MCP Host 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 Mattermost MCP Host 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 Mattermost MCP Host and Sendmux Sdk free or paid?

Mattermost MCP Host operates under a BYOK (Pay Provider Direct) model (API Key required). Sendmux Sdk operates under a Freemium model (OAuth 2.0).

Which MCP server has more tools and community activity?

Mattermost MCP Host lists 6 tools with 2 views and 34 GitHub stars. Sendmux Sdk lists 5 tools with 2 views and 65 GitHub stars.

Can I use both Mattermost MCP Host 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

Mattermost MCP Host vs Sendmux Sdk

In-depth architectural comparison of the Mattermost MCP Host 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

Mattermost MCP Host

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 Mattermost MCP Host 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 Mattermost MCP Host 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)).
You have access to required keys: MATTERMOST_URL, MATTERMOST_TOKEN, MATTERMOST_TEAM_NAME, MATTERMOST_CHANNEL_NAME, DEFAULT_PROVIDER, AZURE_OPENAI_ENDPOINT, AZURE_OPENAI_API_KEY, AZURE_OPENAI_DEPLOYMENT.
Primary tools included: LangGraph agent integration for AI-driven interactions, Connects to multiple MCP servers defined in configuration, Dynamic discovery and loading of MCP tools as LangChain structured tools.

Explore Mattermost MCP Host Details

Choose Sendmux Sdk when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.

Feature & Specification Comparison

Specification	Mattermost MCP Host jagan-shanmugam Communication	Sendmux Sdk Sendmux Communication
Summary	A MCP server along with MCP host that provides access to Mattermost teams, channels and messages. MCP host is integrated as a bot in Mattermost with access to MCP servers that can be configured.	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

Mattermost MCP Host Tools (6)

LangGraph agent integration for AI-driven interactions

Connects to multiple MCP servers defined in configuration

Dynamic discovery and loading of MCP tools as LangChain structured tools

Maintains thread-aware conversational context in Mattermost

Direct command interface with configurable prefix for MCP operations

Supports MCP capability discovery and tool invocation via commands

Sendmux Sdk Tools (5)

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).

Mattermost MCP Host Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "jagan-shanmugam-mattermost-mcp-host": {
      "command": "npx",
      "args": [
        "-y",
        "jagan-shanmugam-mattermost-mcp-host"
      ],
      "env": {
        "MATTERMOST_URL": "YOUR_MATTERMOST_URL_HERE",
        "MATTERMOST_TOKEN": "YOUR_MATTERMOST_TOKEN_HERE",
        "MATTERMOST_TEAM_NAME": "YOUR_MATTERMOST_TEAM_NAME_HERE",
        "MATTERMOST_CHANNEL_NAME": "YOUR_MATTERMOST_CHANNEL_NAME_HERE",
        "DEFAULT_PROVIDER": "YOUR_DEFAULT_PROVIDER_HERE",
        "AZURE_OPENAI_ENDPOINT": "YOUR_AZURE_OPENAI_ENDPOINT_HERE",
        "AZURE_OPENAI_API_KEY": "YOUR_AZURE_OPENAI_API_KEY_HERE",
        "AZURE_OPENAI_DEPLOYMENT": "YOUR_AZURE_OPENAI_DEPLOYMENT_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

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

More alternatives to Mattermost MCP Host More alternatives to Sendmux Sdk Communication category hub