Slack MCP Server

Name: Slack MCP Server
Author: jtalk22

Community

MCP server by jtalk22 · updated 6 days ago · ★ 32 · 252 downloads a week

Score 77

Catch up on Slack without reading it. Unreads, threads, search. Browser-session or hosted OAuth. Slack MCP Server is a community project by jtalk22, not verified by a company domain.

Install Add to Cursor Add to VS Code GitHub Website

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Works withClaude Code Claude Desktop Cursor Codex Gemini CLI VS Code Windsurf Antigravity CLI

Maintenance

Last commit 6 days ago

Licence

MIT: permissive, fine for commercial use

Quality

Clear description, published package or server URL, original repository

Security

No risky patterns in the files we checked

What you need

Setting	Needed	What it is
`SLACK_TOKEN`Environment variable, secret	Optional	Slack xoxc- token from browser session
`SLACK_COOKIE`Environment variable, secret	Optional	Slack xoxd- cookie from browser session

From the publisher's entry in the official MCP Registry. Required settings are already in the install config below as placeholders.

Install Slack MCP Server

Built from the published package, never by AI

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

Run in your terminal. Add --scope user to use it in every project.

Step-by-step: install Slack MCP Server in Claude Code

{
  "mcpServers": {
    "slack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@jtalk22/slack-mcp"
      ]
    }
  }
}

Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.

Step-by-step: install Slack MCP Server in Claude Desktop

{
  "mcpServers": {
    "slack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@jtalk22/slack-mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).

Step-by-step: install Slack MCP Server in Cursor

{
  "servers": {
    "slack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@jtalk22/slack-mcp"
      ]
    }
  }
}

Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".

Step-by-step: install Slack MCP Server in VS Code

codex mcp add slack-mcp-server -- npx -y @jtalk22/slack-mcp

Step-by-step: install Slack MCP Server in Codex

{
  "mcpServers": {
    "slack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@jtalk22/slack-mcp"
      ]
    }
  }
}

Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).

Step-by-step: install Slack MCP Server in Antigravity CLI

gemini mcp add slack-mcp-server npx -y @jtalk22/slack-mcp

Gemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.

Step-by-step: install Slack MCP Server in Gemini CLI

MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the slack-mcp-server block.

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Security check

No download-and-run commands, hidden instructions or signs of sending keys out were found.

Checked automatically: README.md, package.json. This looks for known risky patterns and is not a full audit. How grades work

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Slack MCP Server: common questions

How do I install Slack MCP Server?

In Claude Code run claude mcp add slack-mcp-server -- npx -y @jtalk22/slack-mcp. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.

Is Slack MCP Server the official server?

Slack MCP Server is a community project by jtalk22, not verified by a company domain.

Is Slack MCP Server free?

The code is published under the MIT licence. The service it connects to may have its own pricing.

Is Slack MCP Server safe to use?

It scores 77 of 100. Grades: maintenance A, licence A, quality C. Security check: grade A, no risky patterns found in the files checked. Review the code before you install. How grades work.

What are alternatives to Slack MCP Server?

Does Slack MCP Server work with ChatGPT?

Yes. Add its server URL in ChatGPT as a custom connector. See MCP in ChatGPT.