otpbox

OTPBox / AI / Connect

MCP · one-click install

Connect OTPBox to your AI agent

Give Cursor, VS Code, Claude or Codex a real inbox in under a minute. Your agent can then sign up for your app, wait for the email and read the OTP code or verification link itself.

1

Get a free key

200 requests a month, no account, no card. The install links below fill it in for you.

or paste one you have
Your key is ready. Save it somewhere safe: it won't be shown again.
2

Install in your editor

No key yet: the snippets below use a placeholder. Get a key in step 1 and they update automatically.

Cursor

Add to Cursor

Opens Cursor and asks you to confirm. Or add this to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project):


    


    

      
VS Code (GitHub Copilot agent mode)

      

        Install in VS Code
        VS Code Insiders
      

      
Or add this to .vscode/mcp.json, or run MCP: Open User Configuration to use it in every workspace:

      

    


    

      
Claude Code

      
Run this once in your terminal. Add --scope user to use it in every project:

      

      
Check it with claude mcp list. Prefer a skill? Install the OTPBox Agent Skill.

    


    

      
Claude Desktop

      
Settings → Developer → Edit Config, then add this to claude_desktop_config.json and restart Claude. It uses the mcp-remote bridge, so Node.js 18+ must be installed:

      

    


    

      
OpenAI Codex CLI

      
Add to ~/.codex/config.toml:

      

      
Codex reads the key from an environment variable, so set it in your shell profile:

      

    


    

      
Windsurf

      
Add to ~/.codeium/windsurf/mcp_config.json (Cascade → MCP servers → View raw config), then refresh:

      

    


    

      
Gemini CLI

      
Add to ~/.gemini/settings.json. Gemini CLI needs httpUrl rather than url for this transport:

      

    


    

      
Any MCP client

      
OTPBox is a remote streamable HTTP MCP server. Point your client at it with this header:

      

      
Also listed in the official MCP Registry as io.otpbox/otpbox. Per-client guides: Copilot, Devin, Qwen Code, Trae, Kimi Code.

    

  


  

    
3
Ask your agent

    
Once connected, try one of these in agent mode:

    

      
Use otpbox to create a test inbox and tell me its address.

      
Sign up on http://localhost:3000 with a new otpbox inbox, get the OTP from the verification email and finish signing up. Tell me if any step fails.

      
Test our password reset: request a reset for a fresh otpbox inbox, open the reset link from the email and set a new password.

    

    
The tools your agent gets:

    
  


  

    MCP docs
    Email MCP server guide
    Pricing
    Team dashboard
  


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