Slack MCP Server

io.github.jtalk22/slack-mcp-server·v3.2.5·Chat & Messaging

Quality Score

/100

Slack MCP for self-host or managed Cloud, with Gemini CLI and secure-default HTTP.

Repository →Website →Remote endpoint →

§01 Install

Remote endpoint

Streamable HTTP / SSE endpoint. Add to any MCP client that supports remote servers.

https://mcp.revasserlabs.com/oauth/mcp

Claude Desktop (claude_desktop_config.json)

{
  "mcpServers": {
    "slack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@jtalk22/slack-mcp"
      ],
      "env": {
        "SLACK_TOKEN": "<your-slack_token>",
        "SLACK_COOKIE": "<your-slack_cookie>"
      }
    }
  }
}

Cursor (.cursor/mcp.json)

{
  "mcpServers": {
    "slack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@jtalk22/slack-mcp"
      ],
      "env": {
        "SLACK_TOKEN": "<your-slack_token>",
        "SLACK_COOKIE": "<your-slack_cookie>"
      }
    }
  }
}

Cline (cline_mcp_settings.json)

npx -y @jtalk22/slack-mcp

§02 Environment variables

SLACK_TOKEN

secret

Slack xoxc- token from browser session

SLACK_COOKIE

secret

Slack xoxd- cookie from browser session

§03 MCP Quality Score · methodology

freshness

completeness

installability

documentation

stability

§04 Alternatives in Chat & Messaging

ai.smithery/Danushkumar-V-mcp-discord

An MCP server that integrates with Discord to provide AI-powered features.

ai.smithery/sachicali-discordmcp-suite

Control your Discord community: send/read messages, manage channels and forums, and handle webhook…

ai.smithery/smithery-ai-slack

Enable interaction with Slack workspaces. Supports subscribing to Slack events through Resources.