MCP server for Slack Web API — send messages, manage channels, search content, and automate your workspace. ## Features - Send, update, delete, and schedule messages with Block Kit support - Manage channels: create, archive, invite/kick members, set topics - Search messages and files with Slack's powerful query syntax - Upload and manage files with 2-step upload process - React to messages, pin items, and manage bookmarks - Browse users, team info, and custom emoji ## 38 Tools **Messages (7)**: send, update, delete, schedule, cancel scheduled, list scheduled, get permalink **Conversations (12)**: list channels, info, history, thread replies, members, create, archive, invite, kick, join, set topic, open DM **Users (2)**: list all, get info **Reactions (3)**: add, remove, get reactions **Search (2)**: search messages, search files **Files (3)**: upload, list, delete **Pins (3)**: pin, unpin, list pins **Bookmarks (4)**: add, edit, remove, list **Team (1)**: get workspace info **Emoji (1)**: list custom emoji ## Configuration - SLACK_BOT_TOKEN — Get one at https://api.slack.com/apps (create app → OAuth & Permissions → Install → copy Bot Token)
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How to connect
https://server.smithery.ai/node2flow/slack/mcpcurl -X POST https://server.smithery.ai/node2flow/slack/mcp \
-H 'Content-Type: application/json' \
-H 'Accept: application/json, text/event-stream' \
-d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'