Best Mattermost MCP Servers
Mattermost is an open-source, self-hostable online chat service with file sharing, search, and integrations. It is designed as an internal chat for organisations and companies.
Why this server?
Connects Mattermost workspaces to sync messages, which are distilled into an auto-maintained wiki and graph store for natural language querying and browsing.
AlicenseAqualityAmaintenanceTurns team chat (Slack, Discord, MS Teams, Mattermost) into a living knowledge base - a typed knowledge graph plus auto-generated wiki - exposed to AI agents through a 28-tool MCP server with semantic search, expert finding, and decision tracing.28439Apache 2.0Why this server?
Connects to Mattermost API endpoints to retrieve and process team and channel information, enabling real-time message monitoring and interaction with specific channels within Mattermost teams.
AlicenseBqualityDmaintenanceA Model Context Protocol server that connects to Mattermost, allowing AI models to monitor and process messages from specific teams and channels in real-time via SSE or Standard I/O transport modes.1154MITWhy this server?
Provides integration with Mattermost (via Time Messenger) for managing messages, threads, channels, teams, and users in a Mattermost-based corporate messenger.
AlicenseAqualityAmaintenanceMCP server for T-Bank's Time Messenger (Mattermost-based) that enables AI assistants to read and send messages, manage threads, search channels and users, and track unread messages.22294MITWhy this server?
Provides tools to read, search, and post messages in Mattermost, manage channels, reactions, threads, files, users, teams, and bookmarks.
AlicenseAqualityAmaintenanceLets AI assistants read, search, and post messages in Mattermost channels, manage threads, reactions, files, and users with 38 tools.3838MITWhy this server?
Provides tools for managing Mattermost Boards (Focalboard), including listing teams, boards, cards, views, and members, as well as creating, updating, and deleting cards.
AlicenseAqualityBmaintenanceMCP server for Mattermost Boards (Focalboard) that enables natural language management of teams, boards, and cards, including CRUD operations.1134MITWhy this server?
Provides tools for interacting with Mattermost workspaces, including channel management, posting messages, replying to threads, adding reactions, retrieving channel history and thread replies, user management, and topic monitoring.
AlicenseAqualityDmaintenanceMCP Server for the Mattermost API, enabling Claude and other MCP clients to interact with Mattermost workspaces.9453MITWhy this server?
Provides tools for managing Focalboard boards, cards, and tasks, including board search, card creation and updates, property management, and column movement through the Focalboard API.
FlicenseAqualityFmaintenanceEnables task and board management in Focalboard through natural language, supporting board operations, card creation/updates, and column movements with automatic authentication and user-friendly property names.104Why this server?
Provides tools for interacting with Mattermost, including sending messages, reading posts and threads, searching messages, listing channels, getting user info, and checking unread messages.
FlicenseAqualityDmaintenanceMCP server for Mattermost that enables AI assistants to read posts, search messages, send messages, and manage channels.9Why this server?
Supports searching posts, retrieving channel posts and threads, posting messages, and finding channels and users in Mattermost.
Alicense-qualityCmaintenanceIntegrates development toolchain services (GitLab, Jira, Redmine, Mattermost, Harbor) and provides composite tools to query cross-system data with a single request.MIT