8 #otp MCP Servers & Clients
Every MCP server and client below is tagged #otp — install one to give Claude, Cursor, VS Code, or any other MCP-compatible client access to otp tools.
All
KeyID
KeyID-AI
Agent email, SMS, OTP/TOTP, and signup session infrastructure for AI agents. Self-provision email addresses, phone numbers, extract verification codes, manage TOTP authenticators, and run full signup flows with browser state persistence. 47 tools, 8 prompts.
Quackr MCP
quackr-mcp
Get virtual phone numbers for SMS verification, OTP receipt, and number management.
Mailsink
heocoi
Programmatic temp email inboxes for QA tests and AI agents. 8 MCP tools, free tier 50 inboxes/month, MCP server published as @mailsink/mcp on npm.
Agentsim
agentsimdev
Real SIM-backed mobile numbers for AI agents. Provision phone numbers, receive SMS, and capture OTP codes - bypasses VoIP blocks that reject Twilio/Vonage. 5 tools: provision_number, wait_for_otp, get_messages, release_number, list_numbers.
Authn8
authn8
MCP server for Authn8 2FA code access
FreeCustom.Email MCP — AI Email + OTP Automation for Agents
DishIs
AI-native disposable email + OTP extraction for LLM agents.
SMS Vert Pro — Python & TypeScript
3-bees-online
MCP server using the official Anthropic Python SDK (FastMCP) to send professional SMS via SMS Vert Pro. The most feature-rich SMS MCP server available — 9 tools including OTP, delivery reports, scheduled SMS with cancellation, and blacklist management. European provider since 200
Androidapi.net Mcp
TecniForge
Send SMS & WhatsApp, verify OTPs, manage contacts, and control Android devices via AndroidAPI.net. 52 tools for Claude
Frequently asked questions
What is a #otp MCP server?
- An MCP server tagged #otp implements the Model Context Protocol so AI assistants like Claude, Cursor, and VS Code can access otp-related tools, data, or APIs.
How many #otp MCP servers and clients are there?
- mcp.so currently lists 8 MCP servers and clients tagged #otp.
How do I install a #otp MCP server?
- Open any server below and copy its install snippet into Claude Desktop, Cursor, VS Code, or another MCP client's configuration — remote servers need no separate download.