Mattermost: read unreads, mentions, channels and threads; opt-in posting, edits, reactions
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This server only runs locally, from a package. Install it with the instructions on this page to try it.
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
claude mcp add mattermost-mcp \ -e MATTERMOST_URL=YOUR_MATTERMOST_URL \ -- uvx mattermost-mcp-server==1.0.0
Environment
MATTERMOST_URL (required): Base URL of your Mattermost server, e.g. https://mattermost.example.comMATTERMOST_ACCESS_TOKEN (optional, not in the config above): Personal access token or bot token (Profile > Security > Personal Access Tokens)MATTERMOST_ENABLE_WRITE (optional, not in the config above): Set to 1 to enable posting, replying, editing own posts and reactions (off by default)MATTERMOST_TOKEN (optional, not in the config above): Cookie mode: value of the MMAUTHTOKEN browser cookie (when personal access tokens are unavailable)MATTERMOST_CSRF (optional, not in the config above): Cookie mode: value of the MMCSRF browser cookie (required for write tools in cookie mode)We don't run packages, so we can't list this server's tools.