message
(string): The message text to post
How to use it
message is exposed by the Mattermost MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the message tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
FULL MATTERMOST MCP LISTINGOther tools in Mattermost MCP (15)
(string): The ID of the channel
(string): Emoji name without colons
(number, default: 100, max: 200): Maximum number of channels to return
Add an emoji reaction to a message
Get recent messages from a channel
Get all replies in a thread
Get detailed profile information for a user
Get a list of users in the workspace
List public channels in the workspace
Post a new message to a channel
Reply to a specific message thread
Trigger the topic monitoring process immediately
(number, default: 0): Page number for pagination
(string): ID of the parent message
(string): The user's ID