slack_add_reaction

MCP tool from Slack MCP Server by jtalk22

Add an emoji reaction

How to use it

slack_add_reaction is exposed by the Slack MCP Server MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the slack_add_reaction tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.

Install Slack MCP Server

$npx -y @jtalk22/slack-mcp --setup

FULL SLACK MCP SERVER LISTING

Other tools in Slack MCP Server (20)

slack_catch_me_up

Read a profile's channels since its cadence window and return structured catch-up evidence

slack_conversations_history

Read channel or DM history with optional rich fields

slack_conversations_mark

Mark a conversation read

slack_conversations_unreads

Prioritize conversations with unread messages

slack_get_full_conversation

Export complete history and threads

slack_get_thread

Read all replies in a thread

slack_health_check

Verify credentials and workspace identity

slack_list_conversations

List channels and DMs

slack_list_users

Page through large workspace directories

slack_refresh_tokens

Refresh local credentials from the browser session on macOS—reads Slack, writes only local state

slack_remove_reaction

Remove an emoji reaction

slack_search_messages

Search across the workspace

slack_send_message

Send to a channel or DM

slack_smart_search

Semantic + lexical search over indexed Slack history

slack_token_status

Inspect credential age, health, cache, profile, and storage state

Prioritized action queue with routing recommendations

slack_users_info

Resolve a user

slack_users_search

Search users by name, display name, or email

slack_workflow_save

Save a typed workflow profile to ~/.slack-mcp-workflows.json

slack_workflows

List saved workflow profiles