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MCP Server

otp-mcp-server

The server provides secure OTP (One-Time Password) generation. Supports TOTP (Time-based) and HOTP (HMAC-based) algorithms

4
GitHub Stars
8/23/2025
Last Updated
MCP Server Configuration
1{
2 "name": "otp",
3 "command": "uvx",
4 "args": [
5 "otp-mcp-server"
6 ]
7}
JSON7 lines

README Documentation

OTP-MCP-Server

Build Status PyPI version

otp-mcp-server MCP server

Model Context Protocol (MCP) server that provides OTP (One-Time Password) generation

A Model Context Protocol (MCP) server built with FastMCP that provides secure OTP (One-Time Password) generation. Supports TOTP (Time-based) and HOTP (HMAC-based) algorithms and multiple transport options including stdio, SSE, and HTTP Stream for seamless integration with AI assistants and applications.

Quick Start

Installation

# Use uvx for isolated execution
uvx otp-mcp-server

# Or install from PyPI
pip install otp-mcp-server

Basic Usage

# Run with STDIO (default, for Claude Desktop)
otp-mcp-server

# Run with HTTP Stream transport
otp-mcp-server --http-stream --host 127.0.0.1 --port 8000

# Run with SSE transport
otp-mcp-server --sse --host 127.0.0.1 --port 8000

Using with Claude Desktop

Add to your Claude Desktop configuration:

{
  "mcpServers": {
    "otp": {
      "command": "uvx",
      "args": ["otp-mcp-server"]
    }
  }
}

Configuration

You can configure the server using command-line arguments or environment variables.

Environment VariableDescription
OTP_MCP_SERVER_DBPath to the tokens database file
OTP_MCP_SERVER_HOSTHost to bind the server to
OTP_MCP_SERVER_PORTPort to bind the server to
OTP_MCP_SERVER_TRANSPORTTransport protocol to use
OTP_MCP_SERVER_PATHPath for HTTP transport
OTP_MCP_SERVER_LOG_LEVELLogging level

Quick Install

Quick Actions

Key Features

Model Context Protocol
Secure Communication
Real-time Updates
Open Source