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kakehashi-inc/mcp-server-mattermost
This project implements a Model Context Protocol (MCP) server for Mattermost integration. It connects to Mattermost API endpoints to retrieve and process various information, making it available through standard MCP transports.
npm install -g @dotenvx/dotenvx{
"mcpServers": {
"mattermost": {
"command": "npx",
"args": [
"-y",
"mcp-server-mattermost@latest",
"--transport",
"stdio",
"--endpoint",
"https://your-mattermost-server/api/v4",
"--token",
"<value>",
"--team",
"your_team_name",
"--channels",
"town-square,general,your_channel_name"
]
}
}
}MATTERMOST_ENDPOINTMATTERMOST_TOKENMATTERMOST_TEAMMATTERMOST_CHANNELSSecure, token-based connection to Mattermost API endpoints
Supports multiple transport modes:
Search for messages across multiple Mattermost channels
Customizable default channels and message fetch limits
Details on this page are taken from the project's README. Open README
Clients mentioned in this server's README:

elie222/inbox-zero
To help you spend less time in your inbox, so you can focus on what matters most.

lharries/whatsapp-mcp
This is a Model Context Protocol (MCP) server for WhatsApp.

Dhravya/apple-mcp
Apple MCP toolset is a collection of Apple native tools based on the MCP protocol, providing integration services for Messages, Notes, Contacts, Mail, Reminders, Calendar and other Apple ecosystem features.

supercorp-ai/supergateway
Supergateway runs MCP stdio-based servers over SSE (Server-Sent Events) or WebSockets (WS) with one command. This is useful for remote access, debugging, or connecting to clients when your MCP server only supports stdio.

line/line-bot-mcp-server
Model Context Protocol (MCP) server implementation that integrates the LINE Messaging API to connect an AI Agent to the LINE Official Account.

resend/mcp-send-email
Connect your AI agent to the Resend platform. Send and receive emails, manage contacts, broadcasts, domains, and more, directly from any MCP client like Claude, Cursor, or Claude Code.