Slack MCP Server

by @jtalk22 · io.github.jtalk22/slack-mcp-server

Catch up on Slack without reading it. Unreads, threads, search. Browser-session or hosted OAuth.

Online, needs sign-inRemote + local
WebsiteSource code
Category
Messaging and email
Connection
Remote (HTTP)
Tools
Shown after sign-in
Status
Online, needs sign-in

Connect it to your AI

Claude Code

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

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

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

Or run it locally (npm)

claude mcp add slack-mcp-server -- npx -y @jtalk22/slack-mcp@5.1.0

Cursor, VS Code and other apps (mcp.json)

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

Questions

What is the Slack MCP server?

Catch up on Slack without reading it. Unreads, threads, search. Browser-session or hosted OAuth. It is made by @jtalk22 and listed in the official MCP Registry as io.github.jtalk22/slack-mcp-server. MCP (Model Context Protocol) is the open standard that lets AI apps like Claude, ChatGPT and Cursor use outside tools.

How do I add Slack to Claude?

In the Claude app or claude.ai, open Settings, then Connectors, choose "Add custom connector" and paste https://mcp.revasserlabs.com/oauth/mcp. In Claude Code, run: claude mcp add --transport http slack-mcp-server https://mcp.revasserlabs.com/oauth/mcp

How do I add Slack to ChatGPT?

ChatGPT can use remote MCP servers as connectors. In ChatGPT settings, under Apps and Connectors, turn on developer mode if asked, create a new connector and paste https://mcp.revasserlabs.com/oauth/mcp.

How do I add Slack to Cursor?

Open Cursor settings, go to MCP, choose "Add new MCP server" (or edit ~/.cursor/mcp.json) and add: { "mcpServers": { "slack-mcp-server": { "url": "https://mcp.revasserlabs.com/oauth/mcp" } } }

Does Slack work right now?

It is online and asks you to sign in before it lists its tools, which is normal for servers tied to an account.

Is this your server? Get the badge for your README
chen.media/mcp badge

Markdown (GitHub README)

[![Listed on chen.media/mcp](https://chen.media/mcp/badge/github-jtalk22-slack-mcp-server.svg)](https://chen.media/mcp/github-jtalk22-slack-mcp-server)

HTML (switches to dark mode on its own)

<a href="https://chen.media/mcp/github-jtalk22-slack-mcp-server"><picture><source media="(prefers-color-scheme: dark)" srcset="https://chen.media/mcp/badge/github-jtalk22-slack-mcp-server.svg?theme=dark"><img src="https://chen.media/mcp/badge/github-jtalk22-slack-mcp-server.svg" alt="Listed on chen.media/mcp" height="40"></picture></a>

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