otp-mcp

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

5 stars PythonOthers Updated Aug 20, 2026

ai-toolsmcpmcp-serverotppythontotpweb-automation

Documentation

OTP-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

bash

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

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

Basic Usage

bash

# 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:

json

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

Configuration

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

Environment Variable	Description
`OTP_MCP_SERVER_DB`	Path to the tokens database file
`OTP_MCP_SERVER_HOST`	Host to bind the server to
`OTP_MCP_SERVER_PORT`	Port to bind the server to
`OTP_MCP_SERVER_TRANSPORT`	Transport protocol to use
`OTP_MCP_SERVER_PATH`	Path for HTTP transport
`OTP_MCP_SERVER_LOG_LEVEL`	Logging level

Frequently asked questions

What is otp-mcp?

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

How do I install otp-mcp?

Open the GitHub repository and follow its README. Most MCP servers are added to your client's MCP config, then called by your agent.

Is otp-mcp open source?

Yes — it is hosted on GitHub at https://github.com/andreax79/otp-mcp and has 5 stars.

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