Slack MCP Server
Send messages, manage channels, search conversations, and automate workflows across your Slack workspace.
- Maintained by
- Slack
- Hosting
- Hosted by the vendor
- Authentication
- OAuth sign-in
- Last checked
Slack-hosted server; the old modelcontextprotocol reference Slack server is archived.
How to connect the Slack MCP server
Pick your AI client and paste the snippet. New to this? Our guide to how MCP clients and servers fit together explains what each piece does.
Claude Code
claude mcp add --transport http slack https://mcp.slack.com/mcpThen run /mcp inside Claude Code and choose Authenticate to sign in.
Full Claude Code setup guide →Claude Desktop and claude.ai
Name: Slack
Remote MCP server URL: https://mcp.slack.com/mcpCustom connectors need a Pro, Max, Team or Enterprise plan. On Team and Enterprise an owner adds them in admin settings.
Full Claude Desktop setup guide →Cursor
{
"mcpServers": {
"slack": {
"url": "https://mcp.slack.com/mcp"
}
}
}VS Code
{
"servers": {
"slack": {
"type": "http",
"url": "https://mcp.slack.com/mcp"
}
}
}ChatGPT
Business, Enterprise and Edu plans (and Pro, read-only) can add this endpoint as an app in developer mode. ChatGPT setup guide →
Frequently asked questions
What is the Slack MCP server?
It is a Model Context Protocol (MCP) server — a small piece of software that gives AI assistants like Claude a secure, governed connection to Slack. Send messages, manage channels, search conversations, and automate workflows across your Slack workspace.
Is there an official Slack MCP server?
Yes. The Slack MCP server is an official integration, maintained by the vendor or the Model Context Protocol project, which makes it the safest default for business use. It is maintained by Slack.
Is the Slack MCP server hosted, or do I run it myself?
It is hosted. Slack runs the endpoint at https://mcp.slack.com/mcp, so there is nothing to install: you add the URL to your AI client and sign in with your Slack account.
Do I need an API key for the Slack MCP server?
No API key is needed for the hosted server. You sign in through Slack's own OAuth screen, and the assistant only gets the access your account has.
What can an AI assistant actually do with Slack?
Through this server an assistant can work with messaging, channel management, search, user management — reading from and acting on Slack directly instead of you copy-pasting between windows. What you allow it to do is controlled by the permissions you grant.
How do I set this up for my business?
The setup section above has copy-paste config for Claude Code, Claude Desktop, Cursor and VS Code. If you want it rolled out across a team with permissions, governance and support handled, that is what Crox's Build engagement covers.
New to MCP? Start with our plain-English guide to the Model Context Protocol or see how to connect AI to your business tools without writing code .
Want this connected to your business — with governance handled?
Crox maps your processes, connects AI to the tools you already use, and keeps it working as models change. Start with a readiness assessment or talk to us about a build.