How to Use the Vonage MCP in OpenAI Agents SDK

Q: How do I use Vonage and the OpenAI Agents SDK for SMS?

You call the sendsms tool. You just need to provide a sender name and the target phone number in E.164 format. The agent executes this directly, making sure your message gets sent.

Q: Can I check pricing with Vonage using the OpenAI Agents SDK?

Yep. You use getcountrypricing to get the ISO 3166-1 alpha-2 code and retrieve outbound SMS pricing for specific countries. It's good for pre-flight checks.

Q: How do I manage my virtual numbers with Vonage and the OpenAI Agents SDK?

You use listrentednumbers to see everything you've rented. If a number changes its webhook, just call updatenumberwebhook.

Q: Is sending WhatsApp messages reliable with Vonage and the OpenAI Agents SDK?

Absolutely. You use sendwhatsappmessage, but remember you gotta pass in a verified WhatsApp Business Number as the sender, so make sure that's set up first.

Manage SMS, WhatsApp, and Viber comms using your OpenAI Agents SDK.

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Connect Vonage MCP to OpenAI Agents SDK

Create your Vinkius account to connect Vonage to OpenAI Agents SDK and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Vonage with OpenAI Agents SDK

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Sending Multi-Channel Messages with MCP Server

Need to send a message? You can fire off an outbound SMS using `send_sms` for any E.164 target, or initiate contact via WhatsApp and Viber through dedicated tools like `send_whatsapp_message`. It’s simple: your agent calls the right tool based on context. The system handles sending messages across all three Vonage channels—SMS, WhatsApp, and Viber—so you don't have to write separate code paths.

Handling 2FA Verification with OpenAI Agents SDK

Identity verification is built right in. Your agent can start the process by running `start_verification` to send an OTP code, and then check if a user submitted the correct one using `check_verification_code`. You'll also manage the lifecycle with `cancel_verification_request`. This makes your agent reliable for secure workflows. It handles the full cycle of issuing codes, checking inputs, and aborting requests cleanly.

Managing Numbers and Accounts via MCP Server

Keep track of what you're using with these tools. You can list all virtual numbers rented by your account using `list_rented_numbers`. Need to update the webhook URL for an inbound number? Just run `update_number_webhook`. Plus, check your operational budget instantly with `get_account_balance`, so your agent always knows if it has credit left before sending a message.

Setup guide

Set up Vonage MCP in OpenAI Agents SDK

Prerequisites

Python 3.10+ installed
openai-agents package (pip install openai-agents)
Active Vinkius subscription with a valid endpoint token

1

Install the SDK

Run pip install openai-agents to install the OpenAI Agents SDK. The MCP integration is built-in — no extra dependencies needed.
2

Connect via SSE transport

Use MCPServerSse with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. The SDK auto-discovers all Vonage tools at runtime.
3

Create your Agent

Pass the MCP to Agent(mcp_servers=[server]). The agent receives Vonage tools as native definitions — JSON schemas resolve automatically.
4

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate Vonage tools and returns structured results. Copy the full example on the right to get started.

agent.py

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerSse

async def main():
    async with MCPServerSse(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as server:
        agent = Agent(
            name="Vonage Agent",
            instructions="You have access to Vonage tools.",
            mcp_servers=[server],
        )
        result = await Runner.run(agent, "List recent transactions")
        print(result.final_output)

asyncio.run(main())

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Common questions about Vonage MCP in OpenAI Agents SDK

You call the `send_sms` tool. You just need to provide a sender name and the target phone number in E.164 format. The agent executes this directly, making sure your message gets sent.

Yep. You use `get_country_pricing` to get the ISO 3166-1 alpha-2 code and retrieve outbound SMS pricing for specific countries. It's good for pre-flight checks.

This MCP Server handles account credit balance, phone numbers (E.164 format), and OTP codes during verification processes.

You use `list_rented_numbers` to see everything you've rented. If a number changes its webhook, just call `update_number_webhook`.

Absolutely. You use `send_whatsapp_message`, but remember you gotta pass in a verified WhatsApp Business Number as the sender, so make sure that's set up first.

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