Agency operations
Slack MCP Server
Slack's hosted MCP server uses confidential OAuth tied to a registered Slack app and user-token scopes, letting approved clients search messages and files, read channel and thread history, send messages, manage canvases and lists and upload files.
What it does
- Search messages, files, users and channels
- Read channel and thread history
- Send and schedule messages, add reactions
- Create and update canvases and lists, upload files
Best for
Agencies coordinating client work in Slack who use Claude, Cursor or Perplexity.
Watch out for
Only directory-published or internal apps may use MCP, workspace admins must approve clients, and the tool surface depends on granted scopes.
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monday.com Platform MCP
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