MCP 服务器

Authenticator App MCP Server

A secure server that enables AI agents to access 2FA codes and passwords from the Authenticator App, allowing them to assist with automated login processes while maintaining security.

Tools

get_account_list

Retrieve the accounts can be used when logging into a website.

get_2fa_code

Retrieve the current 2FA code for a username when logging into a website.

get_password

Retrieve the password for a username when logging into a website.

README

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A secure MCP (Model Context Protocol) server that enables AI agents to interact with the Authenticator App. It provides seamless access to 2FA codes and passwords, allowing AI agents to assist with automated login processes while maintaining security. This tool bridges the gap between AI assistants and secure authentication, making it easier to manage your credentials across different platforms and websites.

How it works

Open your AI agent's integrated chat interface (such as Cursor's agent mode).
Ask AI agent to retrieve your 2FA code or password for your desired website and account.
AI agent will securely fetch these credentials, then can utilize them to automate your login process.

This MCP server is specifically designed for use with Authenticator App · 2FA.

Getting Started

Many AI clients use a configuration file to manage MCP servers.

The authenticator-mcp tool can be configured by adding the following to your configuration file.

NOTE: You will need to create a Authenticator App access token to use this server. Instructions on how to create a Authenticator App access token can be found here.

MacOS / Linux

{
  "mcpServers": {
    "Authenticator App MCP": {
      "command": "npx",
      "args": ["-y", "authenticator-mcp", "--access-token=YOUR-KEY"]
    }
  }
}

Windows

{
  "mcpServers": {
    "Authenticator App MCP": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "authenticator-mcp", "--access-token=YOUR-KEY"]
    }
  }
}

Or you can set AUTHENTICATOR_ACCESS_TOKEN in the env field.

Install Authenticator App · 2FA Desktop version

Creating an Access Token

Launch the desktop version of Authenticator App · 2FA.
Navigate to Settings and locate the MCP Server section.
Enable the MCP Server by toggling it ON, then proceed to generate your access token.

Please note that the access token will only be displayed once. Be sure to copy it immediately and add it to your MCP client configuration.