LocalFree server, account needed

Slack MCP server

korotovsky/slack-mcp-server

The most powerful MCP server for Slack Workspaces. This integration supports both Stdio and SSE transports, proxy settings and does not require any permissions or bots being created or approved by Workspace admins 😏.

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Install Slack in Claude Code

This server doesn't publish a package to a registry, so follow the install steps in its README. Once it runs, register it with Claude Code:

Claude Code
claude mcp add slack -- <command to start the server>

Frequently asked questions

What does the Slack MCP server do?

The most powerful MCP server for Slack Workspaces. This integration supports both Stdio and SSE transports, proxy settings and does not require any permissions or bots being created or approved by Workspace admins 😏.

Is the Slack MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Slack run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Slack to Claude Code?

Follow the install steps in the project's README at https://github.com/korotovsky/slack-mcp-server, then register it with "claude mcp add".

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