This server has been archived and is no longer actively maintained.

The page is preserved for reference. Consider alternatives in the same category.

Slack MCP Server

Access Slack workspace data — search messages, post to channels, manage workflows

CommunityActiveNot tested★MCPpedia VerifiedUpdated 4/3/2026

Productivity Communication

★ 82.8k↓ 51.5k/wknpm

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MCPpedia
Score

No CVEsActive5 toolsstdioMIT

How we score →

Should you use this server?

The Slack MCP Server connects your AI assistant to your Slack workspace. Search messages across channels, post messages, list channels, get channel history, and add reactions — all through natural language. Perfect for staying on top of team communication without context-switching.

✓

Is it safe?

No known CVEs for @modelcontextprotocol/server-slack.

No authentication — any process on your machine can connect to this server.

MIT. View license →

Last scanned 0 days ago.

Is it maintained?

Last commit 5 days ago. 82,819 GitHub stars. 51,468 weekly downloads.

Will it work with my client?

Transport: stdio. Works with claude-desktop, cursor, claude-code, windsurf. Requires an API key.

How much context will it use?

Quick Install

{
  "mcpServers": {
    "slack": {
      "env": {
        "SLACK_TEAM_ID": "T01234567",
        "SLACK_BOT_TOKEN": "xoxb-your-token"
      },
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "command": "npx"
    }
  }
}

Setup guide

Required API Keys

SLACK_TEAM_IDSlack Team/Workspace ID

1. Open Slack in your browser
2. The Team ID is in the URL: https://app.slack.com/client/T01234567/...
3. Copy the ID starting with T

Open Slack Team/Workspace ID page

SLACK_BOT_TOKENSlack Bot Token

1. Go to api.slack.com/apps
2. Click "Create New App" > "From scratch"
3. Name it and select your workspace
4. Go to OAuth & Permissions
5. Add scopes: channels:history, channels:read, chat:write, users:read
6. Click "Install to Workspace"
7. Copy the Bot User OAuth Token (starts with xoxb-)

Open Slack Bot Token page

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y @modelcontextprotocol/server-slack 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Tools (5)

search_messages

Search for messages in Slack channels

post_message

Send a message to a Slack channel

list_channels

List all channels in workspace

get_channel_history

Get recent messages from a channel

add_reaction

Add a reaction to a message

Score Breakdown

MCPpedia Score

Click each category to see evidence

80A

Scored just now

How we score →

Security

22/30

Last scanned just now

No known vulnerabilities.

✓

CVEs — No known CVEs for this packagecheck OSV.dev \u2192

○

Authentication — None required — easy to connect

✓

License — MITview license \u2192

✗

Repository — Archived — no longer accepting changesview repo \u2192

✗

MCPpedia review — Not yet reviewed by MCPpedia

CVEs checked daily via OSV.dev. Score algorithm is open source.

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