Back
Marketplace/Mattermost

TL;DR

Mattermost is a Communication MCP server that lets Claude Code, Cursor, Windsurf and any MCP-compatible AI agent messaging and channel management. Install in 1 minute with mcpizy install mattermost.

💬

Mattermost

Communication

Last updated May 30, 2026 · By MCPizy team

Messaging and channel management

Install Mattermost

Via MCPizy CLI (recommended):
mcpizy install mattermost
Or run directly:
npx -y mattermost-mcp

Works with

Claude Code
Claude Desktop
Cursor
Windsurf
VS Code + Copilot
Any MCP Client

More Communication MCPs

📱

iMessage

Query and analyze iMessage conversations

📲

WhatsApp

WhatsApp messaging via Business API

💚

LINE

Integrates LINE Messaging API to connect AI agents with LINE Official Account users.

📧

Email (IMAP)

IMAP/SMTP email with 42 tools for inbox management

Alternatives to Mattermost

If Mattermost doesn't fit your stack, these Communication MCP servers solve similar problems.

✈️

Telegram

Telegram API for dialogs and messages

🎮

Discord

Discord bot integration for servers and channels

🗣️

Discourse

Forum integration and community management

Key Takeaways

  • Mattermost exposes an MCP interface for communication workflows in Claude Code, Cursor and Windsurf.
  • No authentication required — works out of the box once installed.
  • Install in 1 command: mcpizy install mattermost — config written to your client automatically.
  • Free and open source — verified compatible with every MCP client (Claude Code, Claude Desktop, Cursor, Windsurf, VS Code + Copilot).
  • Best use case: automate communication workflows from your AI agent without leaving the editor.

Frequently asked questions

What is the Mattermost MCP server?

The Mattermost MCP server is an Communication Model Context Protocol server that lets Claude Code, Cursor, Windsurf, VS Code with Copilot, and other MCP-compatible AI agents messaging and channel management. It exposes Mattermost's capabilities as tools the AI can call directly from your editor or CLI.

How do I install Mattermost MCP with Claude Code?

The fastest way is the MCPizy CLI: run `mcpizy install mattermost` and MCPizy will add the server to your `.claude.json` automatically. You can also install it manually by adding an entry under `mcpServers` in `.claude.json` with the command `npx -y mattermost-mcp` and restarting Claude Code.

Is Mattermost MCP free?

Yes. The Mattermost MCP server is free and open source. You may still need a Mattermost account or API key to connect the server to the underlying service, but the MCP layer itself has no MCPizy subscription cost.

Does Mattermost MCP work with Cursor and Windsurf?

Yes. Any MCP-compatible client works — including Claude Code, Claude Desktop, Cursor (via `.cursor/mcp.json`), Windsurf, VS Code with Copilot Chat, and custom agents built on the MCP SDK. The same install command targets all of them; only the config file path differs.

Manage all your MCPs in one place

Monitor usage, track costs, and discover new MCPs.

Get Started Free
What can I do with Mattermost MCP?

Once installed, your AI agent can messaging and channel management directly inside your conversation. Typical use cases include asking Claude Code or Cursor to run Mattermost operations, inspect results, chain Mattermost with other MCP servers (see our Workflow Recipes), and automate repetitive communication tasks without leaving your editor.