Skip to content
mcp/harbor
Verified official

Slack MCP

v2.3.0

io.github.aaronsb/slack-mcp

Read and write Slack with session tokens — no OAuth, no bot, no admin approval.

transport:stdio runtime:npm
View source Website

Target client

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add slack-mcp -e SLACK_MCP_XOXC_TOKEN=<SLACK_MCP_XOXC_TOKEN> -e SLACK_MCP_XOXD_TOKEN=<SLACK_MCP_XOXD_TOKEN> -- npx -y @aaronsb/slack-mcp

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

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.