How to integrate Googlecontacts MCP with Codex

Connect Codex to Googlecontacts MCP. Find contacts at acme corporation, create contact for new sales lead, and more using natural language, with authentication handled for you.

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Googlecontacts is Google’s contact management service powered by the Google People API. It keeps names, emails, phone numbers, and contact details synced across Google Workspace.

24 Tools

Introduction

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

Also integrate Googlecontacts with

Claude Cowork

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 Googlecontacts 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 Googlecontacts MCP server, and what's possible with it?

The Googlecontacts MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Googlecontacts account. It provides structured and secure access so your agent can perform Googlecontacts operations on your behalf.

Conclusion

You've successfully integrated Googlecontacts with Codex using Composio's MCP server. Now you can interact with Googlecontacts 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 Googlecontacts 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 Googlecontacts operations
  • Explore cross-app workflows by connecting more toolkits
  • Build automation scripts that leverage Codex's AI capabilities
TOOLS

Supported Tools

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

Batch create contacts

Create a batch of new contacts in Google Contacts.

Batch get contact groups

Get a list of contact groups owned by the authenticated user by specifying a list of contact group resource names.

Batch Update Google Contacts

Update a batch of contacts in Google Contacts and return the updated contact data.

Copy Other Contact to My Contacts

Copies an Other contact to a new contact in the user's myContacts group.

Create Contact

Create a new contact in Google Contacts and return the person resource for that contact.

Create Contact Group

Create a new contact group owned by the authenticated user.

Delete Google Contact

Delete a contact person from Google Contacts.

Delete contact group

Deletes an existing contact group owned by the authenticated user by specifying the contact group resource name.

Delete Contact Photo

Delete a contact's photo from Google Contacts.

Batch Delete Google Contacts

Delete a batch of contacts from Google Contacts.

Batch get people

Batch retrieves information about multiple people from Google Contacts.

Get Contact Group

Retrieves a specific contact group owned by the authenticated user by specifying the contact group resource name.

Get Person

Provides information about a person by specifying a resource name.

List Connections

Lists the connections (contacts) for the authenticated user.

List Contact Groups

List all contact groups owned by the authenticated user.

List Directory People

Lists domain profiles and domain contacts in the authenticated user's domain directory.

List Other Contacts

Lists "Other contacts" from Google People API.

Modify Contact Group Members

Modifies the members of a contact group by adding or removing contact resource names.

Search Contacts

Searches the authenticated user's contacts for matches against the provided query.

Search Domain Directory People

Search domain directory people in Google Contacts.

Search Other Contacts

Searches other contacts from Google People API that match a query string.

Update Google Contact

Update contact data for an existing contact person.

Update Contact Group

Update the name of an existing contact group owned by the authenticated user.

Update Contact Photo

Update a contact's photo.

FRAMEWORKS

How to build Googlecontacts MCP Agent with another framework

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Claude Cowork

Use Googlecontacts MCP with Claude Cowork

FAQ

Frequently asked questions

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

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

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