Slack MCP Server

Model Context Protocol (MCP)Free

The official Slack MCP reference server connects AI tools to Slack workspaces for reading channels, sending messages, uploading files, and searching history.

MCP Architecture & Specifications

Protocol Specification	Model Context Protocol (v1.0)
Transport Architecture	stdio (Standard Input/Output) / SSE
Supported AI Clients	Claude DesktopCursorZedAntigravity
Execution Sandbox	Isolated local subprocess with explicit tool call permission gating
Security Verification	MCP Schema & Protocol Audited

Claude Desktop & Cursor Configuration

claude_desktop_config.json

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

Exposed Tools & Capabilities

6 Verified Capabilities

Read Slack channels

Send messages

Upload files

Search message history

User and channel lookup

Official MCP reference

Verified User Reviews & Ratings

Authentic community ratings calculated dynamically across security, workflow, and pricing.

4.9/ 5.0

Based on 0 verified reviews & research benchmarks

100%

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Slack MCP Server

Model Context Protocol (MCP)Free

Docs

The official Slack MCP reference server connects AI tools to Slack workspaces for reading channels, sending messages, uploading files, and searching history.

MCP Architecture & Specifications

Protocol Specification	Model Context Protocol (v1.0)
Transport Architecture	stdio (Standard Input/Output) / SSE
Supported AI Clients	Claude DesktopCursorZedAntigravity
Execution Sandbox	Isolated local subprocess with explicit tool call permission gating
Security Verification	MCP Schema & Protocol Audited

Claude Desktop & Cursor Configuration

claude_desktop_config.json

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