# Slack MCP Server (Official)
> Slack-hosted MCP service that lets compatible AI clients search Slack messages and files, read and manage conversations, users, canvases, lists, and perform other Slack actions according to the app's granted scopes.
Canonical: https://www.mcpfolio.com/servers/slack-mcp-server-official
Last updated: 2026-10-28
## Catalog record

- Publisher: Slack
- Categories: search, communication

## Website

https://slack.com/

## Transports

Streamable HTTP

## Authentication

Confidential OAuth for a registered Slack app with fixed client ID and client secret. User consent authorizes access. Partner-built clients can offer a ready-made connection. Only Slack Marketplace-published or internal apps may use the server; workspace admin approval may be needed.

## Tools

- **slack_get_file_upload_url**: Get an upload URL for a file.
- **slack_complete_file_upload**: Complete a file upload.

## Sources

- [official_tool_reference](https://docs.slack.dev/ai/slack-mcp-server/)
- [official_documentation_or_source](https://docs.slack.dev/ai/slack-mcp-server/developing/)

## Setup

Use the interactive setup panel on [the detail page](https://www.mcpfolio.com/servers/slack-mcp-server-official) to view instructions for each supported client.