How to integrate Kintone MCP with Google ADK

This guide walks you through connecting Kintone to Google ADK using the Composio tool router. By the end, you'll have a working Kintone agent that can list your users, create users and groups, manage department membership, change login codes, and check access through natural language commands. This guide will help you understand how to give your Google ADK agent real control over a Kintone account through Composio's Kintone MCP server. Before we dive in, let's take a quick look at the key ideas and tools involved.

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Kintone is Cybozu's low-code business app platform for building team databases, workflows, and custom apps. It helps teams centralize work data, processes, and user administration without heavy custom development.

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Introduction

This guide walks you through connecting Kintone to Google ADK using the Composio tool router. By the end, you'll have a working Kintone agent that can list your users, create users and groups, manage department membership, change login codes, and check access through natural language commands.

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

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

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TL;DR

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

The Kintone MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Kintone account. It provides structured and secure access to your tenant directory, so your agent can manage users, organize departments and groups, update memberships, assign service access, and change login codes on your behalf.

  • User account management: Have your agent list, create, update, or permanently delete tenant users in batches.
  • Department and group organization: Let the agent list, create, update, or delete departments and static or dynamic groups.
  • Membership administration: Direct your agent to review department or group members, replace group membership lists, and update each user's department and static group memberships.
  • Access and service assignments: Instruct your agent to review a user's memberships and Kintone access, then replace service assignments for selected users.
  • Login code changes: Have your agent change login codes for selected users when accounts need to be renamed or reorganized.

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 Kintone 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=["kintone"],
)

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 Kintone 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 Kintone 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=["kintone"],
)

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

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

Conclusion

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

Key takeaways:

  • The Tool Router approach dynamically routes requests to the appropriate Kintone 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 Kintone action and event your agent gets out of the box.

Change User Login Codes

Irreversibly change the login codes of up to 100 Kintone users in one batch.

Create Departments

Create 1 to 100 Kintone departments in one batch.

Create Groups

Create 1 to 100 static or dynamic Kintone groups in one batch.

Create Users

Create 1 to 100 Kintone tenant users in one batch with a login code, password, and display name for each user.

Delete Users, Departments, or Groups

Permanently delete a non-empty batch of Kintone users, departments, or groups by exact code.

Get User Access

Get one user's department memberships, group memberships, and Kintone service assignment in one read.

List Departments or Groups

List or filter Kintone departments or groups, one page at a time.

List Department or Group Members

List users belonging to a Kintone department or group, one page at a time.

List Users

List or filter tenant users by ID or login code, one page at a time.

Replace Group Users

Replace a Kintone static group's complete user membership list.

Replace User Departments

Replace the complete department membership lists for one to 100 Kintone users.

Replace User Groups

Replace a Kintone user's complete static-group membership list.

Set User Service Assignments

Replace Kintone service access for one to 100 users.

Update Departments

Update mutable fields for 1 to 100 existing Kintone departments, identified by exact department code.

Update Groups

Update the name and optional description of 1 to 100 existing Kintone groups, identified by exact group code.

Update Users

Update editable profile and primary-organization fields for 1 to 100 existing Kintone tenant users identified by login code.

FRAMEWORKS

How to build Kintone MCP Agent with another framework

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Kintone MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Kintone MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Kintone MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use Kintone MCP with Claude Cowork

Codex logo

Codex

Use Kintone MCP with Codex

OpenClaw logo

OpenClaw

Use Kintone MCP with OpenClaw

Hermes logo

Hermes

Use Kintone MCP with Hermes

CLI logo

CLI

Use Kintone MCP with CLI

LangChain logo

LangChain

Use Kintone MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Kintone MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Kintone MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Kintone MCP with LlamaIndex

CrewAI logo

CrewAI

Use Kintone MCP with CrewAI

FAQ

Frequently asked questions

With a standalone Kintone MCP server, the agents and LLMs can only access a fixed set of Kintone tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Kintone 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 Kintone tools.

Yes, absolutely. You can configure which Kintone 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 Kintone data and credentials are handled as safely as possible.

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