slack_add_reaction

MCP tool from Slack User MCP by lars-hagen

How to use it

Project documentation lists slack_add_reaction for the Slack User MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), then check which tools your installed version makes available. Tool availability can depend on configuration and credentials. A server handshake does not verify this tool’s behavior. See the full listing for setup details.

Install Slack User MCP

$npx -y @smithery/cli install @lars-hagen/slack-user-mcp --client claude

FULL SLACK USER MCP LISTING

Other tools in Slack User MCP (7)

slack_get_channel_history

slack_get_thread_replies

slack_get_user_profile

slack_get_users

slack_list_channels

slack_post_message

slack_reply_to_thread