How to Use the Twilio MCP in OpenAI Agents SDK

Q: How does Twilio interact with OpenAI Agents SDK for calls?

The OpenAI Agents SDK uses MCP tools like createvoicecall to manage outbound voice communications. Your agent handles the necessary parameters, ensuring you don't have to write boilerplate code for calling setup.

Q: If I need to list messages with Twilio and OpenAI Agents SDK, what tool do I use?

You'll use the listmessages tool. This pulls recent SMS records, whether they were sent by you or received. It keeps your communication history visible within your agent’s context.

Q: Can OpenAI Agents SDK list all recorded calls?

Yeah. You can use listrecordings to pull a full manifest of every voice recording stored in the account, giving you an overview of available call data.

Q: Does Twilio support deleting messages with OpenAI Agents SDK?

Yes, it does. The deletemessage tool lets your agent permanently remove SMS message records directly through the MCP connection. Just be careful; this action is final.

Manage communications and data workflows with OpenAI Agents SDK.

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Connect Twilio MCP to OpenAI Agents SDK

Create your Vinkius account to connect Twilio 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 Twilio with OpenAI Agents SDK

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Managing Phone Calls via MCP Server

You can initiate outbound calls using `create_voice_call`. This tool requires a caller ID, the receiver's number, and a TwiML URL for instructions. Need to cut off a call? Use `cancel_active_call` to terminate any ongoing voice conversation immediately. It’s fast and direct.

Checking Account Usage with OpenAI Agents SDK

See your spending history by calling `get_usage_records`. This provides full usage statistics and billing records for the account. Want to know what numbers you own? Running `list_phone_numbers` shows every incoming number associated with your master Twilio account.

Sending Messages via MCP Server

Send an SMS using `send_sms`. Just provide the sender's E.164 number and the target receiver’s E.164 number, and you're set. Did someone send a message you don't want? The `delete_message` tool permanently removes the record; remember this action is irreversible.

Setup guide

Set up Twilio 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 Twilio tools at runtime.
3

Create your Agent

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

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate Twilio 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="Twilio Agent",
            instructions="You have access to Twilio 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 Twilio MCP in OpenAI Agents SDK

The OpenAI Agents SDK uses MCP tools like `create_voice_call` to manage outbound voice communications. Your agent handles the necessary parameters, ensuring you don't have to write boilerplate code for calling setup.

The server touches account usage records and phone number data types. Specifically, tools like `get_usage_records` retrieve billing information while `list_phone_numbers` accesses asset inventory.

You'll use the `list_messages` tool. This pulls recent SMS records, whether they were sent by you or received. It keeps your communication history visible within your agent’s context.

Yeah. You can use `list_recordings` to pull a full manifest of every voice recording stored in the account, giving you an overview of available call data.

Yes, it does. The `delete_message` tool lets your agent permanently remove SMS message records directly through the MCP connection. Just be careful; this action is final.

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