How to integrate Chmeetings MCP with Google ADK

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Introduction

This guide walks you through connecting Chmeetings to Google ADK using the Composio tool router. By the end, you'll have a working Chmeetings agent that can list upcoming church events this month, add new member to youth group, record a donation from a churchgoer through natural language commands.

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

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

Also integrate Chmeetings with

TL;DR

Here's what you'll learn:
  • Get a Chmeetings account set up and connected to Composio
  • Install the Google ADK and Composio packages
  • Create a Composio Tool Router session for Chmeetings
  • Build an agent that connects to Chmeetings through MCP
  • Interact with Chmeetings 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 Chmeetings MCP server, and what's possible with it?

The Chmeetings MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Chmeetings account. It provides structured and secure access to your church management system, so your agent can help you manage events, engage members, track donations, coordinate volunteers, and oversee groups on your behalf.

  • Event planning and scheduling: Empower your agent to create, update, and manage church events, including setting dates, venues, and attendee lists.
  • Member engagement and communication: Let your agent access member directories, send announcements, and track participation to boost overall community involvement.
  • Donation management and reporting: Easily have your agent track contributions, generate donation reports, and assist with financial record-keeping.
  • Volunteer coordination: Allow your agent to organize volunteer opportunities, assign roles, and monitor participation for various church activities.
  • Group and ministry oversight: Ask your agent to manage groups or ministries, enroll members, and keep information up-to-date for effective administration.

Supported Tools & Triggers

Tools
Invite Meeting AttendeeTool to invite a new attendee to a specified meeting.
Get Attendee DetailsTool to retrieve details for a specific attendee.
ChMeetings: Create MeetingTool to create a new meeting in ChMeetings.
ChMeetings: Create OrganizationTool to create a new organization.
ChMeetings: Create ReminderTool to create/schedule a reminder for a meeting in ChMeetings.
Delete Meeting AttendeeTool to remove an attendee from a meeting.
List Meeting AttendeesTool to list attendees of a meeting.
ChMeetings: Delete MeetingTool to delete an existing meeting.
ChMeetings: Get MeetingTool to retrieve a specific meeting's details by ID.
ChMeetings: Update MeetingTool to update meeting details.
ChMeetings: Send NotificationTool to attempt sending a notification.
ChMeetings: Get OrganizationTool to get details of a specific organization.
ChMeetings: Delete OrganizationTool to delete an existing organization.
ChMeetings: List OrganizationsTool to list all organizations.
ChMeetings: Update OrganizationTool to update an organization's information.
ChMeetings: Delete PersonTool to delete a person record.
ChMeetings: List PeopleTool to retrieve list of People records from ChMeetings.
ChMeetings: Update PersonTool to update an existing person's information in ChMeetings.
ChMeetings: Create PersonTool to create a new person record in ChMeetings People directory.
ChMeetings: Get PersonTool to retrieve a specific person's details by ID.
ChMeetings: Delete ReminderTool to cancel a scheduled reminder.
ChMeetings: Get ReminderTool to retrieve details of a specific reminder.
ChMeetings: List RemindersTool to list reminders from ChMeetings.
ChMeetings: Update ReminderTool to update an existing reminder.
ChMeetings: Get SettingsTool to retrieve account configuration settings.
ChMeetings: Update SettingsTool to update account settings.
Update attendee roleTool to update the role of an attendee.
ChMeetings: Get User ProfileTool to retrieve current user's profile information.

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

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

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.

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 Chmeetings via MCP
  • python-dotenv loads environment variables

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

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

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

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=["chmeetings"],
)

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

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 Chmeetings 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

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 Chmeetings 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=["chmeetings"],
)

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 Chmeetings operations."
    ),  
    tools=[composio_toolset],
)

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

Conclusion

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

Key takeaways:

  • The Tool Router approach dynamically routes requests to the appropriate Chmeetings 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.

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FAQ

What are the differences in Tool Router MCP and Chmeetings MCP?

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

Can I use Tool Router MCP with Google ADK?

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 Chmeetings tools.

Can I manage the permissions and scopes for Chmeetings while using Tool Router?

Yes, absolutely. You can configure which Chmeetings 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.

How safe is my data with Composio Tool Router?

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 Chmeetings data and credentials are handled as safely as possible.

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