MCP Server Mattermost
UnclaimedMCP server for Mattermost — let Claude, Cursor, and other AI assistants work with channels, messages, and files
Install
claude mcp add --transport http mattermost https://mcp.example.com/mcpUnclaimed listing
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Claim this serverTools (38)
add_reaction
Add emoji reaction
add_user_to_channel
Add user to channel
create_bookmark
Create link or file bookmark
create_channel
Create a new channel
create_direct_channel
Create DM channel
delete_bookmark
Delete a bookmark
delete_message
Delete a message
get_channel
Get channel details by ID
get_channel_by_name
Get channel by name
get_channel_members
List channel members
get_channel_messages
Get messages: recent, unread window, or since timestamp
get_file_info
Get file metadata
get_file_link
Get download link
get_me
Get current user info
get_reactions
Get all reactions on a post
get_team
Get team details
get_team_members
List team members
get_thread
Get thread messages
get_user
Get user by ID
get_user_by_username
Get user by username
get_user_status
Get online status
join_channel
Join a public channel
leave_channel
Leave a channel
list_bookmarks
List channel bookmarks
list_my_channels
List your channels with unread counts
list_public_channels
List public channels in a team
list_teams
List your teams
mark_channel_viewed
Mark a channel as viewed (reset unread counters)
pin_message
Pin a message
post_message
Send a message to a channel
remove_reaction
Remove emoji reaction
search_messages
Search messages by term
search_users
Search users
unpin_message
Unpin a message
update_bookmark
Update bookmark properties
update_bookmark_sort_order
Reorder bookmark
update_message
Edit a message
upload_file
Upload a file