mcpopen-sourceverified

Slack MCP Server

Channels, messages, reactions and workflows

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Read and post Slack messages, manage reactions, resolve users and channels, and wire up agentic workflows without webhooks.

Install

npx -y @modelcontextprotocol/server-slack

Runtime: node

Works with

How to install Slack MCP Server

Install Slack MCP Server in your MCP client in under two minutes.

  1. Open your MCP client

    Open Claude Desktop, Cursor or any MCP-compatible host and locate the MCP configuration file.

  2. Install Slack MCP Server

    Add the server to your MCP config and paste the install command below.

    npx -y @modelcontextprotocol/server-slack
  3. Restart and verify

    Fully restart your MCP client. You should see Slack MCP Server and its tools available in the tools panel.

Frequently asked questions

  • What is Slack MCP Server?

    Slack MCP Server is an MCP server by Anthropic. Read and post Slack messages, manage reactions, resolve users and channels, and wire up agentic workflows without webhooks.

  • Is Slack MCP Server free?

    Yes — open-source and free to self-host.

  • What can I do with Slack MCP Server?

    Slack MCP Server is designed for Slack. Channels, messages, reactions and workflows

  • How do I install Slack MCP Server?

    Run `npx -y @modelcontextprotocol/server-slack` in your MCP client configuration. See the install steps above for the full walkthrough.

  • Who maintains Slack MCP Server?

    Slack MCP Server is maintained by Anthropic (official author). It is verified by Loadout.

  • Does Slack MCP Server work with other Communication tools?

    Yes — Slack MCP Server is part of the Communication category on Loadout and works alongside other Communication MCP servers. Pair it with any MCP-compatible host like Claude Desktop, Cursor or Windsurf.