Mattermost

Integrates with Mattermost team collaboration platform to manage channels, messages, reactions, threads, users, teams, files, and bookmarks across workspaces for automated notifications, team management, and workflow integration.

Provides comprehensive integration with Mattermost team collaboration platform through tools covering channels, messages, reactions, threads, users, teams, files, and bookmarks. Built with FastMCP and async HTTP client featuring retry logic and rate limiting, supports both stdio and HTTP transports with Docker deployment options. Enables managing Mattermost workspaces by creating channels, posting rich messages with Slack-style attachments, managing reactions and pins, uploading files, searching conversations, and handling team operations.