Slack is maintained by mindstone, which publishes 43 MCP servers (124 total versions) tracked on MCP Toplist.

Is Slack listed on the Official MCP Registry?

Yes — Slack is listed on the Official MCP Registry.

How many versions does Slack have?

MCP Toplist tracks 4 versions of Slack, most recently published on Aug 6, 2026.

Where can I find the source code for Slack?

The source code for Slack is hosted at github.com/mindstone/mcp-servers.

SERVER

Slack

Rank #10,156

io.github.mindstone/mcp-server-slack

Slack MCP server: channels, messages, threads, reactions, users, files, and scheduled messages

4 versions

10 GitHub stars

by mindstone (43 servers)View repository ↗

First listed

May 21, 2026

Last publish date

Aug 6, 2026

OVERVIEW

Slack is a Model Context Protocol (MCP) server published by mindstone. It ranks #10,156 of 115,591 servers tracked on MCP Toplist, and its repository has 10 GitHub stars. Slack is listed on Official MCP, with 4 tracked versions. It was first listed on May 21, 2026 and most recently updated on Aug 6, 2026.

STANDING

#10,156of 115,591 tracked serversTop 10%

Ranks ahead of 105,435 of 115,591 servers on MCP Toplist.

CONNECT

Use Slack

API keyNeeds credentials

Requires user-supplied configuration before first use — typically an API key, token or connection string set via environment variables.

npm package

claude mcp add mcp-server-slack -e "SLACK_CONFIG_PATH=<your SLACK_CONFIG_PATH>" -e "SLACK_TEAM_ID=<your SLACK_TEAM_ID>" -e "SLACK_CLIENT_ID=<your SLACK_CLIENT_ID>" -e "SLACK_CLIENT_SECRET=<your SLACK_CLIENT_SECRET>" -e "SLACK_DISABLE_REFRESH=<your SLACK_DISABLE_REFRESH>" -e "SLACK_REQUEST_TIMEOUT_MS=<your SLACK_REQUEST_TIMEOUT_MS>" -e "SLACK_MAX_RETRIES=<your SLACK_MAX_RETRIES>" -e "MCP_WORKSPACE_PATH=<your MCP_WORKSPACE_PATH>" -- npx -y @mindstone/mcp-server-slack

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.mcp-server-slack]
command = "npx"
args = ["-y", "@mindstone/mcp-server-slack"]

[mcp_servers.mcp-server-slack.env]
SLACK_CONFIG_PATH = "<your SLACK_CONFIG_PATH>"
SLACK_TEAM_ID = "<your SLACK_TEAM_ID>"
SLACK_CLIENT_ID = "<your SLACK_CLIENT_ID>"
SLACK_CLIENT_SECRET = "<your SLACK_CLIENT_SECRET>"
SLACK_DISABLE_REFRESH = "<your SLACK_DISABLE_REFRESH>"
SLACK_REQUEST_TIMEOUT_MS = "<your SLACK_REQUEST_TIMEOUT_MS>"
SLACK_MAX_RETRIES = "<your SLACK_MAX_RETRIES>"
MCP_WORKSPACE_PATH = "<your MCP_WORKSPACE_PATH>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mcp-server-slack": {
      "command": "npx",
      "args": [
        "-y",
        "@mindstone/mcp-server-slack"
      ],
      "env": {
        "SLACK_CONFIG_PATH": "<your SLACK_CONFIG_PATH>",
        "SLACK_TEAM_ID": "<your SLACK_TEAM_ID>",
        "SLACK_CLIENT_ID": "<your SLACK_CLIENT_ID>",
        "SLACK_CLIENT_SECRET": "<your SLACK_CLIENT_SECRET>",
        "SLACK_DISABLE_REFRESH": "<your SLACK_DISABLE_REFRESH>",
        "SLACK_REQUEST_TIMEOUT_MS": "<your SLACK_REQUEST_TIMEOUT_MS>",
        "SLACK_MAX_RETRIES": "<your SLACK_MAX_RETRIES>",
        "MCP_WORKSPACE_PATH": "<your MCP_WORKSPACE_PATH>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mcp-server-slack": {
      "command": "npx",
      "args": [
        "-y",
        "@mindstone/mcp-server-slack"
      ],
      "env": {
        "SLACK_CONFIG_PATH": "<your SLACK_CONFIG_PATH>",
        "SLACK_TEAM_ID": "<your SLACK_TEAM_ID>",
        "SLACK_CLIENT_ID": "<your SLACK_CLIENT_ID>",
        "SLACK_CLIENT_SECRET": "<your SLACK_CLIENT_SECRET>",
        "SLACK_DISABLE_REFRESH": "<your SLACK_DISABLE_REFRESH>",
        "SLACK_REQUEST_TIMEOUT_MS": "<your SLACK_REQUEST_TIMEOUT_MS>",
        "SLACK_MAX_RETRIES": "<your SLACK_MAX_RETRIES>",
        "MCP_WORKSPACE_PATH": "<your MCP_WORKSPACE_PATH>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "mcp-server-slack": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@mindstone/mcp-server-slack"
      ],
      "env": {
        "SLACK_CONFIG_PATH": "<your SLACK_CONFIG_PATH>",
        "SLACK_TEAM_ID": "<your SLACK_TEAM_ID>",
        "SLACK_CLIENT_ID": "<your SLACK_CLIENT_ID>",
        "SLACK_CLIENT_SECRET": "<your SLACK_CLIENT_SECRET>",
        "SLACK_DISABLE_REFRESH": "<your SLACK_DISABLE_REFRESH>",
        "SLACK_REQUEST_TIMEOUT_MS": "<your SLACK_REQUEST_TIMEOUT_MS>",
        "SLACK_MAX_RETRIES": "<your SLACK_MAX_RETRIES>",
        "MCP_WORKSPACE_PATH": "<your MCP_WORKSPACE_PATH>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mcp-server-slack": {
      "command": "npx",
      "args": [
        "-y",
        "@mindstone/mcp-server-slack"
      ],
      "env": {
        "SLACK_CONFIG_PATH": "<your SLACK_CONFIG_PATH>",
        "SLACK_TEAM_ID": "<your SLACK_TEAM_ID>",
        "SLACK_CLIENT_ID": "<your SLACK_CLIENT_ID>",
        "SLACK_CLIENT_SECRET": "<your SLACK_CLIENT_SECRET>",
        "SLACK_DISABLE_REFRESH": "<your SLACK_DISABLE_REFRESH>",
        "SLACK_REQUEST_TIMEOUT_MS": "<your SLACK_REQUEST_TIMEOUT_MS>",
        "SLACK_MAX_RETRIES": "<your SLACK_MAX_RETRIES>",
        "MCP_WORKSPACE_PATH": "<your MCP_WORKSPACE_PATH>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mcp-server-slack": {
      "command": "npx",
      "args": [
        "-y",
        "@mindstone/mcp-server-slack"
      ],
      "env": {
        "SLACK_CONFIG_PATH": "<your SLACK_CONFIG_PATH>",
        "SLACK_TEAM_ID": "<your SLACK_TEAM_ID>",
        "SLACK_CLIENT_ID": "<your SLACK_CLIENT_ID>",
        "SLACK_CLIENT_SECRET": "<your SLACK_CLIENT_SECRET>",
        "SLACK_DISABLE_REFRESH": "<your SLACK_DISABLE_REFRESH>",
        "SLACK_REQUEST_TIMEOUT_MS": "<your SLACK_REQUEST_TIMEOUT_MS>",
        "SLACK_MAX_RETRIES": "<your SLACK_MAX_RETRIES>",
        "MCP_WORKSPACE_PATH": "<your MCP_WORKSPACE_PATH>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.mindstone%2Fmcp-server-slack.svg)](https://mcptoplist.com/server/io.github.mindstone%2Fmcp-server-slack)

HTML

<a href="https://mcptoplist.com/server/io.github.mindstone%2Fmcp-server-slack"><img src="https://mcptoplist.com/badge/io.github.mindstone%2Fmcp-server-slack.svg" alt="MCP Toplist: Top 10% of 115,591" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 1 registry

Official MCP

ORGANIZATION

mindstone

Organization

mindstone

Servers in org

Versions across org

124

VERSIONS

Available versions (4)

Version	Published
0.3.0	Aug 6, 2026
0.2.0	Jul 30, 2026
0.1.5	Jun 12, 2026
0.1.3	May 21, 2026

FAQ

Frequently asked questions

Who maintains Slack?: Slack is maintained by mindstone, which publishes 43 MCP servers (124 total versions) tracked on MCP Toplist.
Is Slack listed on the Official MCP Registry?: Yes — Slack is listed on the Official MCP Registry.
How many versions does Slack have?: MCP Toplist tracks 4 versions of Slack, most recently published on Aug 6, 2026.
Where can I find the source code for Slack?: The source code for Slack is hosted at github.com/mindstone/mcp-servers.

EXPLORE

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