Slack MCP Server

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About

Slack MCP without OAuth — 21 tools, session-based, local-first. Free OSS + hosted tier from $19/mo.

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

TransportHTTP (remote server)

Claude Code

claude mcp add --transport http slack-mcp-server https://mcp.revasserlabs.com/oauth/mcp

Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code

code --add-mcp '{"name":"slack-mcp-server","type":"http","url":"https://mcp.revasserlabs.com/oauth/mcp"}'

JSON

{
  "mcpServers": {
    "slack-mcp-server": {
      "url": "https://mcp.revasserlabs.com/oauth/mcp"
    }
  }
}