Slack by modelcontextprotocol

Read channels and send messages in a Slack workspace.

# Slack MCP

Read channels and DMs, search messages, and post to a Slack workspace. Supports stdio/SSE/HTTP and both OAuth and stealth (browser-token) modes.

## Required environment

Provide ONE of:

| Variable | Description |
|---|---|
| `SLACK_MCP_XOXP_TOKEN` | User OAuth token (`xoxp-...`) |
| `SLACK_MCP_XOXC_TOKEN` + `SLACK_MCP_XOXD_TOKEN` | Browser session token + `d` cookie (stealth mode) |

## Setup

```
npx -y slack-mcp-server@latest --transport stdio
```

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