How to Use the Twilio MCP in Google ADK

Q: How does Google ADK manage Twilio voice calls?

Google ADK uses the MCP Server's tools like createvoicecall to initiate and manage outbound communication. It treats calling as just another structured API call, making it easy for your agent to incorporate into large workflows.

Q: Can Google ADK list all Twilio recordings?

Yes, the agent can call listrecordings to get an overview of everything stored. Then, if you need specifics, use getrecordingdetails with the SID.

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Connect Twilio MCP to Google ADK

Create your Vinkius account to connect Twilio to Google ADK 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 Google ADK

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Handling Calls in the Google ADK

You can check on call details by running `get_recording_details`. This requires a recording SID (which starts with RE) to pull specific metadata. Want to see all your recent calls? Use `list_calls` for a straightforward list of activity associated with the account.

MCP Server: Listing Account Assets

The MCP Server lets you inventory assets by calling `list_api_keys`. This shows all keys configured for your Twilio account, which is critical for auditing. Additionally, running `list_call_queues` gives you a manifest of every automated call queue set up within the system.

Sending SMS via Google ADK

To send an SMS message, invoke `send_sms`. You just need to supply an E.164 sender number and the target receiver's E.164 number. If you suspect a record is wrong or needs removal, use `delete_message` to wipe it out completely.

Setup guide

Set up Twilio MCP in Google ADK

Prerequisites

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

1

Install Google ADK

Run pip install google-adk to install the Agent Development Kit. MCP support is included via the McpToolset class.
2

Connect via SSE transport

Use McpToolset.from_server() with SseServerParams pointing to your Vinkius endpoint. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Create an LlmAgent

Pass the returned mcp_tools list directly to LlmAgent(tools=mcp_tools). The ADK maps each MCP tool to a native Gemini function call — no manual schema definitions required.
4

Run with any Gemini model

The agent works with any Gemini model (gemini-2.0-flash, gemini-2.5-pro, etc.). Copy the full example on the right to get started with Twilio tools in your ADK agent.

agent.py

from google.adk.agents import LlmAgent
from google.adk.tools.mcp_tool.mcp_toolset import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import SseServerParams

# Connect to the MCP via SSE
mcp_tools, exit_stack = await McpToolset.from_server(
    connection_params=SseServerParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    )
)

# Create your agent with auto-discovered tools
agent = LlmAgent(
    name="Twilio_agent",
    model="gemini-2.0-flash",
    instruction="You have access to Twilio tools via MCP.",
    tools=mcp_tools,
)

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Common questions about Twilio MCP in Google ADK

Google ADK uses the MCP Server's tools like `create_voice_call` to initiate and manage outbound communication. It treats calling as just another structured API call, making it easy for your agent to incorporate into large workflows.

The server provides access to phone number and message metadata. You can use `lookup_phone_number` to get info on a specific E.164 number, or `get_message_details` for rich SMS context.

Yes, the agent can call `list_recordings` to get an overview of everything stored. Then, if you need specifics, use `get_recording_details` with the SID.

You retrieve usage statistics and detailed billing information using the `get_usage_records` tool. This keeps your agent accountable for every dollar spent on calls and messages.

The server touches account usage records, which contain billing information. Remember that `get_usage_records` provides financial metrics; handle this sensitive data responsibly.

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