Slack MCP (official)
Slack's official server: Claude searches messages, channels, and files, and posts for you
Runs as a server Claude Code connects to. It needs its own configuration, and some servers need an API key.
Install just this one
Add to Claude
Opens Claude in a new tab. Click Connect, then sign in to Slack. Your workspace admin has to allow it first.
Add to ChatGPT
Opens ChatGPT in a new tab. Click Install plugin, then sign in to Slack.
Run in your terminal — needs Node
npx archtmpl@latest --mcp slack-mcpFirst time? The whole install, step by step
- Open Claude Code — the terminal version or the desktop app, either one.
- In a terminal, paste the line above and press Enter. In the app, paste it into the chat and ask Claude to run it.
- Restart Claude Code. That's the whole install.
What this mcp server does
shell
1{2 "name": "Slack MCP (official)",3 "summary": "Slack's official server: Claude searches messages, channels, and files, and posts for you",4 "repo": "https://docs.slack.dev/ai/slack-mcp-server/connect-to-claude",5 "mcpServers": {},6 "postInstallNotes": "Hosted by Slack, so there is nothing to install. Your workspace admin has to allow it first.\nIn Claude, open claude.ai/directory/597f662f-36de-437e-836e-5a81013cbfbe and sign in to Slack.\nIn ChatGPT, open chatgpt.com/plugins/plugin_asdk_app_69a1d78e929881919bba0dbda1f6436d and click Install plugin.\nIn Claude Code, run: claude plugin install slack. Slack's sign-in only works through that plugin, not a plain server address."7}8