slack mcp for Claude Code

io.github.mrfentmen/slack-mcp

Query the Slack Web API (bot token; set SLACK_BOT_TOKEN, xoxb): channels, history, post messages.

client:Claude Code transport:stdio runtime:npm

Install slack mcp in Claude Code

run in your project directory

claude mcp add slack-mcp -- npx -y @mrfentmen/slack-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs