"Mattermost" matching MCP servers:

Lets AI assistants read, search, and post messages in Mattermost channels, manage threads, reactions, files, and users with 38 tools.

Enables Claude to fetch RSS feeds and post messages to a self-hosted Mattermost server using OAuth authentication.

A Model Context Protocol server that enables Claude to interact with Mattermost instances, supporting post management, channel operations, user management, and reaction management.

An MCP server that enables Claude and other MCP clients to interact with Mattermost workspaces, providing channel management, messaging capabilities, and topic monitoring functionality.