How to integrate Kintone MCP with Codex

Codex is one of the most popular coding harnesses out there. And MCP makes the experience even better. With Kintone MCP integration, you can draft, triage, summarise emails, and much more, all without leaving the terminal or the app, whichever you prefer.

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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

Codex is one of the most popular coding harnesses out there. And MCP makes the experience even better. With Kintone MCP integration, you can draft, triage, summarise emails, and much more, all without leaving the terminal or the app, whichever you prefer.

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Why use Composio?

Apart from a managed and hosted MCP server, you will get:

  • CodeAct: A dedicated workbench that allows GPT to write its code to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Large tool responses: Handle them to minimise context rot.
  • Dynamic just-in-time access to 20,000 tools across 1000+ other Apps for cross-app workflows. It loads the tools you need, so GPTs aren't overwhelmed by tools you don't need.

How to install Kintone MCP in Codex

Run the setup command

Run this command in your terminal to add the Composio MCP server to Codex.

Terminal

It will initiate the authentication in a browser window, authorize Codex to access your Composio account.

Composio authentication page

(Optional) Authenticate with OAuth

To authenticate manually, run the login command to open a browser window and authorize Codex to access your Composio account.

bash
codex mcp login composio

Verify the connection

Run codex mcp list to confirm Composio appears as a registered MCP server.

bash
codex mcp list

Codex App

Codex App follows the same approach as VS Code.

  1. Click ⚙️ on the bottom left → MCP Servers → + Add servers → Streamable HTTP:
  2. Fill the header and Key fields with { "x-consumer-api-key" = "ck_*******" }.
  3. The Key is the Composio API key, that you can find on dashboard.composio.dev
  4. Click on Authenticate and authorize Codex to your Composio account and you're all set.
Codex App MCP setup
  1. Restart and verify if it's there in .codex/config.toml
bash
[mcp_servers.composio]
url = "https://connect.composio.dev/mcp"
http_headers = { "x-consumer-api-key" = "ck_*******" }

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.

Conclusion

You've successfully integrated Kintone with Codex using Composio's MCP server. Now you can interact with Kintone directly from your terminal, VS Code, or the Codex App using natural language commands.

Key benefits of this setup:

  • Seamless integration across CLI, VS Code, and standalone app
  • Natural language commands for Kintone operations
  • Managed authentication through Composio
  • Access to 20,000+ tools across 1000+ apps for cross-app workflows
  • CodeAct workbench for complex tool chaining

Next steps:

  • Try asking Codex to perform various Kintone operations
  • Explore cross-app workflows by connecting more toolkits
  • Build automation scripts that leverage Codex's AI capabilities
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.

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. Codex 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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