Communication
Slack
Full Slack MCP integration with channel access, message search, DMs, and stealth mode.
Install
npx -y @anthropic-ai/mcp-server-slack
The Slack MCP server provides full access to Slack workspaces — read channels, search messages, send DMs, and monitor threads. Features stealth mode that works without admin permissions.
## Capabilities
- Read channel messages and threads
- Search across workspace messages
- Send direct messages and channel messages
- Access reactions and file attachments
- Stealth mode (no admin app installation required)
- Support for channels, group DMs, and DMs
## Usage
```json
{
"mcpServers": {
"slack": {
"command": "npx",
"args": ["-y", "@anthropic-ai/mcp-server-slack"],
"env": {
"SLACK_BOT_TOKEN": "xoxb-...",
"SLACK_TEAM_ID": "T01234567"
}
}
}
}
```
## Getting Tokens
1. Create a Slack app at api.slack.com/apps
2. Add `channels:history`, `channels:read`, `chat:write`, `users:read` scopes
3. Install to your workspace and copy the Bot Token