How to integrate Google Ads MCP with Google ADK

Connect Google ADK to Google Ads MCP. Create a new customer list for holiday campaigns, get campaign details by campaign id, and more using natural language, with authentication handled for you.

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Google Ads is Google's online advertising platform for creating, managing, and optimizing digital campaigns. It helps businesses reach targeted customers and maximize return on ad spend.

78 Tools

Introduction

This guide walks you through connecting Google Ads to Google ADK using the Composio tool router. By the end, you'll have a working Google Ads agent that can create and update campaigns and ads, research keyword ideas, run GAQL reports, upload conversions, and manage customer lists through natural language commands.

This guide will help you understand how to give your Google ADK agent real control over a Google Ads account through Composio's Google Ads MCP server.

Before we dive in, let's take a quick look at the key ideas and tools involved.

Also integrate Google Ads with

TL;DR

Here's what you'll learn:
  • Get a Google Ads account set up and connected to Composio
  • Install the Google ADK and Composio packages
  • Create a Composio Tool Router session for Google Ads
  • Build an agent that connects to Google Ads through MCP
  • Interact with Google Ads using natural language

What is Google ADK?

Google ADK (Agents Development Kit) is Google's framework for building AI agents powered by Gemini models. It provides tools for creating agents that can use external services through the Model Context Protocol.

Key features include:

  • Gemini Integration: Native support for Google's Gemini models
  • MCP Toolset: Built-in support for Model Context Protocol tools
  • Streamable HTTP: Connect to external services through streamable HTTP
  • CLI and Web UI: Run agents via command line or web interface

What is the Google Ads MCP server, and what's possible with it?

The Google Ads MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Google Ads account. It provides structured and secure access to your advertising data, so your agent can perform actions like creating customer lists, retrieving campaign details, and managing audience segments on your behalf.

  • Automated customer list creation: Instantly have your agent create new customer lists for targeted marketing campaigns, streamlining your segmentation workflows.
  • Campaign insights by ID or name: Let your agent fetch detailed information for any ad campaign using its ID or name, making reporting and optimization a breeze.
  • Customer list management: Ask your agent to retrieve and review all your existing customer lists, so you always know who you're targeting.
  • Add or remove contacts from lists: Seamlessly update audience membership by having your agent add or remove contacts from specified customer lists for more dynamic targeting.

What is the Composio tool router, and how does it fit here?

What is Composio SDK?

Composio's Composio SDK helps agents find the right tools for a task at runtime. You can plug in multiple toolkits (like Gmail, HubSpot, and GitHub), and the agent will identify the relevant app and action to complete multi-step workflows. This can reduce token usage and improve the reliability of tool calls. Read more here: Getting started with Composio SDK

The tool router generates a secure MCP URL that your agents can access to perform actions.

How the Composio SDK works

The Composio SDK follows a three-phase workflow:

  1. Discovery: Searches for tools matching your task and returns relevant toolkits with their details.
  2. Authentication: Checks for active connections. If missing, creates an auth config and returns a connection URL via Auth Link.
  3. Execution: Executes the action using the authenticated connection.

Step-by-step Guide

Step by step09 STEPS
1

Prerequisites

Before starting, make sure you have:
  • A Google API key for Gemini models
  • A Composio account and API key
  • Python 3.9 or later installed
  • Basic familiarity with Python
2

Getting API Keys for Google and Composio

Google API Key
  • Go to Google AI Studio and create an API key.
  • Copy the key and keep it safe. You will put this in GOOGLE_API_KEY.
Composio API Key and User ID
  • Log in to the Composio dashboard.
  • Go to Settings → API Keys and copy your Composio API key. Use this for COMPOSIO_API_KEY.
  • Decide on a stable user identifier to scope sessions, often your email or a user ID. Use this for COMPOSIO_USER_ID.
3

Install dependencies

bash
pip install google-adk composio python-dotenv

Inside your virtual environment, install the required packages.

What's happening:

  • google-adk is Google's Agents Development Kit
  • composio connects your agent to Google Ads via MCP
  • python-dotenv loads environment variables
4

Set up ADK project

bash
adk create my_agent

Set up a new Google ADK project.

What's happening:

  • This creates an agent folder with a root agent file and .env file
5

Set environment variables

bash
GOOGLE_API_KEY=your-google-api-key
COMPOSIO_API_KEY=your-composio-api-key
COMPOSIO_USER_ID=your-user-id-or-email

Save all your credentials in the .env file.

What's happening:

  • GOOGLE_API_KEY authenticates with Google's Gemini models
  • COMPOSIO_API_KEY authenticates with Composio
  • COMPOSIO_USER_ID identifies the user for session management
6

Import modules and validate environment

python
import os
import warnings

from composio import Composio
from dotenv import load_dotenv
from google.adk.agents.llm_agent import Agent
from google.adk.tools.mcp_tool.mcp_session_manager import StreamableHTTPConnectionParams
from google.adk.tools.mcp_tool.mcp_toolset import McpToolset

load_dotenv()

warnings.filterwarnings("ignore", message=".*BaseAuthenticatedTool.*")

GOOGLE_API_KEY = os.getenv("GOOGLE_API_KEY")
COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
COMPOSIO_USER_ID = os.getenv("COMPOSIO_USER_ID")

if not GOOGLE_API_KEY:
    raise ValueError("GOOGLE_API_KEY is not set in the environment.")
if not COMPOSIO_API_KEY:
    raise ValueError("COMPOSIO_API_KEY is not set in the environment.")
if not COMPOSIO_USER_ID:
    raise ValueError("COMPOSIO_USER_ID is not set in the environment.")
What's happening:
  • os reads environment variables
  • Composio is the main Composio SDK client
  • GoogleProvider declares that you are using Google ADK as the agent runtime
  • Agent is the Google ADK LLM agent class
  • McpToolset lets the ADK agent call MCP tools over HTTP
7

Create Composio client and Tool Router session

python
composio_client = Composio(api_key=COMPOSIO_API_KEY)

composio_session = composio_client.create(
    user_id=COMPOSIO_USER_ID,
    toolkits=["googleads"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url,
print(f"Composio MCP URL: {COMPOSIO_MCP_URL}")
What's happening:
  • Authenticates to Composio with your API key
  • Declares Google ADK as the provider
  • Spins up a short-lived MCP endpoint for your user and selected toolkit
  • Stores the MCP HTTP URL for the ADK MCP integration
8

Set up the McpToolset and create the Agent

python
composio_toolset = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url=COMPOSIO_MCP_URL,
        headers={"x-api-key": COMPOSIO_API_KEY}
    )
)

root_agent = Agent(
    model="gemini-2.5-flash",
    name="composio_agent",
    description="An agent that uses Composio tools to perform actions.",
    instruction=(
        "You are a helpful assistant connected to Composio. "
        "You have the following tools available: "
        "COMPOSIO_SEARCH_TOOLS, COMPOSIO_MULTI_EXECUTE_TOOL, "
        "COMPOSIO_MANAGE_CONNECTIONS, COMPOSIO_REMOTE_BASH_TOOL, COMPOSIO_REMOTE_WORKBENCH. "
        "Use these tools to help users with Google Ads operations."
    ),
    tools=[composio_toolset],
)

print("\nAgent setup complete. You can now run this agent directly ;)")
What's happening:
  • Connects the ADK agent to the Composio MCP endpoint through McpToolset
  • Uses Gemini as the model powering the agent
  • Lists exact tool names in instruction to reduce misnamed tool calls
9

Run the agent

bash
# Run in CLI mode
adk run my_agent

# Or run in web UI mode
adk web

Execute the agent from the project root. The web command opens a web portal where you can chat with the agent.

What's happening:

  • adk run runs the agent in CLI mode
  • adk web . opens a web UI for interactive testing

Complete Code

Here's the complete code to get you started with Google Ads and Google ADK:

python
import os
import warnings

from composio import Composio
from composio_google import GoogleProvider
from dotenv import load_dotenv
from google.adk.agents.llm_agent import Agent
from google.adk.tools.mcp_tool.mcp_session_manager import StreamableHTTPConnectionParams
from google.adk.tools.mcp_tool.mcp_toolset import McpToolset

load_dotenv()
warnings.filterwarnings("ignore", message=".*BaseAuthenticatedTool.*")

GOOGLE_API_KEY = os.getenv("GOOGLE_API_KEY")
COMPOSIO_API_KEY = os.getenv("COMPOSIO_API_KEY")
COMPOSIO_USER_ID = os.getenv("COMPOSIO_USER_ID")

if not GOOGLE_API_KEY:
    raise ValueError("GOOGLE_API_KEY is not set in the environment.")
if not COMPOSIO_API_KEY:
    raise ValueError("COMPOSIO_API_KEY is not set in the environment.")
if not COMPOSIO_USER_ID:
    raise ValueError("COMPOSIO_USER_ID is not set in the environment.")

composio_client = Composio(api_key=COMPOSIO_API_KEY, provider=GoogleProvider())

composio_session = composio_client.create(
    user_id=COMPOSIO_USER_ID,
    toolkits=["googleads"],
)

COMPOSIO_MCP_URL = composio_session.mcp.url


composio_toolset = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url=COMPOSIO_MCP_URL,
        headers={"x-api-key": COMPOSIO_API_KEY}
    )
)

root_agent = Agent(
    model="gemini-2.5-flash",
    name="composio_agent",
    description="An agent that uses Composio tools to perform actions.",
    instruction=(
        "You are a helpful assistant connected to Composio. "
        "You have the following tools available: "
        "COMPOSIO_SEARCH_TOOLS, COMPOSIO_MULTI_EXECUTE_TOOL, "
        "COMPOSIO_MANAGE_CONNECTIONS, COMPOSIO_REMOTE_BASH_TOOL, COMPOSIO_REMOTE_WORKBENCH. "
        "Use these tools to help users with Google Ads operations."
    ),  
    tools=[composio_toolset],
)

print("\nAgent setup complete. You can now run this agent directly ;)")

Conclusion

You've successfully integrated Google Ads with the Google ADK through Composio's MCP Tool Router. Your agent can now interact with Google Ads using natural language commands.

Key takeaways:

  • The Tool Router approach dynamically routes requests to the appropriate Google Ads tools
  • Environment variables keep your credentials secure and separate from code
  • Clear agent instructions reduce tool calling errors
  • The ADK web UI provides an interactive interface for testing and development

You can extend this setup by adding more toolkits to the toolkits array in your session configuration.

TOOLS

Supported Tools

Every Google Ads action and event your agent gets out of the box.

Add or remove to customer list

Submit email contacts for addition to or removal from a Google Ads Customer Match list through an asynchronous offline user data job, marking ad user data and personalization consent as granted.

Batch Mutate Google Ads Resources

Create, update, remove, or act on supported Google Ads resource types in one request.

Create Callout Asset

Create an immutable account asset containing a validated callout.

Create Customer Client

Create a new Google Ads client under an eligible direct parent manager.

Create customer list

Creates a Google Ads Customer Match user list for contact information, not a customer account.

Create data manager user list

Create a Data Manager user list, or validate without creating one.

Create Experiment

Create the experiment definition that begins an experiment setup workflow.

Create Experiment Arms

Create two Google Ads experiment arms in one atomic batch: one control and one treatment arm belonging to the same experiment.

Delete data manager user list

Delete a Data Manager user list, optionally validating only.

End Experiment

Immediately stop a running experiment without deleting its campaigns, or validate that operation.

Generate Keyword Forecast Metrics

Forecast clicks, conversions and costs for a hypothetical keyword campaign without creating resources.

Generate Keyword Historical Metrics

Retrieve historical search volumes, competition, and bid metrics for supplied keywords without creating or changing advertising resources.

Generate Keyword Ideas

Generate keyword ideas and planning metrics from exactly one seed form.

Get Campaign By Id

Retrieve a Google Ads campaign's name and status by numeric campaign ID for the specified or connected customer account.

Get campaign by name

Retrieve the first Google Ads campaign matching an exact name for the specified or connected customer account.

Get Conversion Action Tag Snippets

Retrieve provider-generated website or call conversion tag snippets after creating a conversion action.

Get conversion ingestion status

Retrieve one Data Manager ingestion status snapshot.

Get customer lists

List a page of Google Ads customer lists (audience and remarketing user segments), not Google Ads accounts.

Get data manager user list

Get one Data Manager user list without modifying it.

Get Experiment

Get one Google Ads experiment by resource name or numeric ID.

Get Experiment Arm

Get one Google Ads experiment arm, including draft campaigns.

Get Required Google Ads Report

Run a prominent, bounded Google Ads report template for Customer, Campaign, Ad, Keyword, Search Term, Dynamic Search Ads Search Term, or Bidding Strategy.

Ingest ad events

Upload ad events for an allowlisted Data Partner to Google Analytics, not Ads.

Ingest audience members

Validate or asynchronously ingest Data Manager audience members.

Ingest conversion events

Validate or submit a bounded Google Ads conversion-event batch.

Ingest users

Ingest account-level identity linkage, not audience-list membership.

List Accessible Customers

List Google Ads customer resource names directly accessible to the authenticated OAuth user.

List data manager conversion actions

List conversion actions usable as Google Ads Data Manager destinations.

List data manager user lists

List one page of Data Manager user lists and their lifecycle configuration.

List Experiment Arms

List Google Ads experiment arms, including draft campaigns.

List Experiments

List Google Ads experiments, optionally filtered by status and type.

List Sub Accounts

List direct child/sub-accounts under a Google Ads manager (MCC) account.

Mutate Ad Group Ads

Create, update, or remove ads in Google Ads ad groups, including responsive search ads.

Mutate Ad Group Assets

Create, update, or remove links between assets and ad groups.

Mutate Ad Group Bid Modifiers

Create, update, or remove ad group bid modifiers, such as device bid adjustments or hotel-specific bid modifier criteria.

Mutate Ad Group Criteria

Create, update, or remove Google Ads ad group criteria in a batch, including keywords, audiences, demographics, mobile apps, YouTube placements, topics, webpages, and Shopping listing groups.

Mutate Ad Groups

Create, update, or remove ad groups within Google Ads campaigns.

Mutate Ads

Update existing Google Ads ad creative fields.

Mutate Asset Group Assets

Create, update, or remove links between assets and Performance Max asset groups.

Mutate Asset Groups

Create, update, or remove Google Ads asset groups for Performance Max campaigns.

Mutate Assets

Create or update supported Google Ads assets such as sitelinks, structured snippets, text assets, lead forms, promotions, calls, price assets, and media assets.

Mutate Asset Sets

Create, update, or remove Google Ads asset sets, which group assets for feeds, locations, and other campaign uses.

Mutate Audiences

Create or update Google Ads audiences combining segment attributes.

Mutate Bidding Strategies

Create, update, or remove portfolio bidding strategies such as Target CPA, Target ROAS, Target Spend, Maximize Conversions, Maximize Conversion Value, and Target Impression Share.

Mutate Campaign Assets

Create, update, or remove links between assets and campaigns.

Mutate Campaign Budgets

Create, update, or remove Google Ads campaign budgets.

Mutate Campaign Criteria

Create, update, or remove campaign-level targeting criteria such as locations, languages, campaign-level negative keywords, devices, schedules, audiences, and IP exclusions.

Mutate Campaign Labels

Create or remove relationships between campaigns and labels.

Mutate Campaigns

Create, update, or remove Google Ads campaigns in a batch; removal is irreversible and validate-only can check changes before applying them.

Mutate Campaigns V2

Create, update, or remove Search and Display Google Ads campaigns in a batch; new campaigns default to paused when status is omitted.

Mutate Conversion Actions

Create, update, or remove Google Ads conversion actions for conversion tracking configuration.

Mutate Custom Audiences

Create, update, or remove Google Ads custom audiences used to reach users by interests, searches, visited URLs, place categories, or installed apps.

Mutate Customer

Update one Google Ads customer's mutable account settings using CustomerService.

Mutate Customer Assets

Create or remove customer-level asset associations.

Mutate Keyword Plan Ad Group Keywords

Create, update, or remove Google Ads Keyword Planner ad group keywords.

Mutate Keyword Plan Ad Groups

Create, update, or remove Google Ads Keyword Planner ad groups.

Mutate Keyword Plan Campaign Keywords

Create, update, or remove negative keywords in Keyword Plan campaigns.

Mutate Keyword Plan Campaigns

Create, update, or remove campaigns in an existing Keyword Plan.

Mutate Keyword Plans

Create, update, or remove saved Google Ads Keyword Planner plans.

Mutate Labels

Create, update, or remove Google Ads labels.

Mutate Portfolio Bidding Strategies

Create, edit, or remove typed Target CPA and Target ROAS portfolio strategies.

Mutate Shared Criteria

Create or remove criteria in a Google Ads shared set, such as negative keywords or excluded placements shared across campaigns.

Mutate Shared Sets

Create, update, or remove Google Ads shared sets used to group shared criteria, such as negative keyword lists, for reuse across campaigns.

Mutate User Lists

Create, update, or remove general Google Ads user-list resources used for audience targeting and remarketing.

Remove all audience members

Validate or asynchronously remove all members of Data Manager audiences.

Remove audience members

Remove specific users from Data Manager audience destinations.

Remove users

Remove users identified by hashed user data from Data Manager destinations.

Schedule Experiment

Schedule a Google Ads experiment and return its long-running operation.

Search GAQL

Run one page of a GAQL search and return its continuation token.

Search Google Ads Fields

Search the Google Ads v26 field metadata catalog with GAQL.

Search Stream GAQL

Execute a Google Ads Query Language (GAQL) query and aggregate every streamed response batch in order.

Update data manager user list

Update mutable Data Manager user-list metadata, optionally validating only.

Update Experiment

Update mutable fields on one Google Ads experiment.

Update Experiment Arms

Update one or more Google Ads experiment arms.

Upload Call Conversions

Upload offline call conversions to Google Ads, or validate them without uploading using validate_only.

Upload Click Conversions

Upload offline click conversions with optional enhanced-conversion identifiers, consent, and cart data.

Upload Conversion Adjustments

Upload retractions, restatements, or enhancements of existing conversions.

Upload User Data

Append or remove already-hashed user data in a Google Ads Customer Match list.

FAQ

Frequently asked questions

With a standalone Google Ads MCP server, the agents and LLMs can only access a fixed set of Google Ads tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Google Ads and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Google ADK fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Google Ads tools.

Yes, absolutely. You can configure which Google Ads scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Google Ads data and credentials are handled as safely as possible.

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