AskOnSlackMCP MCP Server

Human-in-the-Loop MCP server that enables AI assistants to request information from humans via Slack

Local serverstdioTypeScript

What is the AskOnSlackMCP MCP Server?

Human-in-the-Loop MCP server that enables AI assistants to request information from humans via Slack.

What AskOnSlackMCP does

A Model Context Protocol (MCP) server that enables AI assistants to request information from humans via Slack. This server acts as a bridge between AI systems and human experts, allowing AI to ask questions and receive responses through Slack when it needs human knowledge or clarification.

Key capabilities

  • 🤖 MCP-compliant server for AI assistant integration
  • 💬 Real-time Slack integration via Socket Mode WebSocket connection
  • 🧵 Thread-based conversations for maintaining context
  • ⏱️ 60-second timeout for human responses
  • 📢 User mentions (@username) for notifications
  • 🔍 Comprehensive debugging and logging capabilities
  • 🔐 Secure token handling
  • 🚀 Dynamic handler initialization for faster startup

Requirements

  1. Slack App Setup - Create a new Slack app at https://api.slack.com/apps - Enable Socket Mode in your app settings - Generate an App-Level Token with connections:write scope - Install the app to your workspace 2. Bot Token Scopes - chat:write - Send messages - channels:read - Access channel information - users:read - Access user information 3. Socket Mode - Enable Socket Mode

Practical notes

  • Maintained by trtd56, written in TypeScript.

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
ask_on_slack

How to install the AskOnSlackMCP MCP Server

{
  "mcpServers": {
    "slack-human": {
      "command": "npx",
      "args": [
        "github:trtd56/AskOnSlackMCP",
        "--slack-bot-token",
        "xoxb-your-actual-token",
        "--slack-app-token",
        "xapp-your-actual-token",
        "--slack-channel-id",
        "C1234567890",
        "--slack-user-id",
        "U1234567890"
      ]
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.

Configuration

  1. Slack App Setup - Create a new Slack app at https://api.slack.com/apps - Enable Socket Mode in your app settings - Generate an App-Level Token with connections:write scope - Install the app to your workspace 2. Bot Token Scopes - chat:write - Send messages - channels:read - Access channel information - users:read - Access user information 3. Socket Mode - Enable Socket Mode

Example prompts to try

  • “Use AskOnSlackMCP to ask on slack.”
  • “Use AskOnSlackMCP to Scripts.”
  • “Use AskOnSlackMCP to Testing.”

Frequently asked questions

Human-in-the-Loop MCP server that enables AI assistants to request information from humans via Slack Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.