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mcp/harbor
Verified official

slack MCP

v0.3.1

ai.waystation/slack

Send messages, access channels, and manage files in your Slack workspace.

transport:streamable-http
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Target client

run in your project directory 

claude mcp add --transport http slack https://waystation.ai/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.