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How to connect Googlecontacts to Claude

Connect Claude Web, Desktop and Cowork 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

Claude is Anthropic's AI assistant, available on the web, in the desktop app, and on mobile. Cowork is its agent for knowledge work, and it runs on all of those surfaces too. Connected to your apps, Claude can work with your files and services to accomplish complex tasks on your behalf.

This guide walks you through the easiest and most secure way to connect your Googlecontacts account to Claude via Composio Connect, enabling it to find contacts at Acme Corporation, create contact for new sales lead, update phone number for Priya Shah, and more such actions on your behalf without compromising your account security.

Setup is the same on Claude Web, Desktop, and Cowork, and you only need to do it once. The connector is tied to your account, so it's available in all three.

Also integrate Googlecontacts with

Codex

Connecting Googlecontacts to Claude Web, Desktop, and Cowork

Two ways to add the Composio connector. Pick whichever you prefer.

1. Add with one click

Click the button. Claude opens with the Composio connector filled in. Click Add, then go to step 2.

Add to Claude

Add manually

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

2. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Web, Desktop, and Cowork

3. Connect your Googlecontacts account

Back in Claude, ask it to connect to Googlecontacts or give it any Googlecontacts-related task.

For example, ask Claude to:

  • "Find contacts at Acme Corporation"
  • "Create contact for new sales lead"
  • "Update phone number for Priya Shah"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Claude, and your Googlecontacts account is ready to use.

What is the Googlecontacts Claude Connector, 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.

Troubleshooting

1. Why does Claude not use the Composio connector for Googlecontacts?

The connector can show as connected, but Claude must use it in each Googlecontacts conversation.

  • Click + at the lower left of the chat, or type /.
  • Hover Connectors.
  • Turn on Composio.
  • Ask Claude to connect to Googlecontacts again.

2. Why does Claude show an MCP server error before Googlecontacts connects?

Claude can show Couldn't reach the MCP server or Authorization with the MCP server failed when you add the connector for Googlecontacts.

  • Check that the connector URL is https://connect.composio.dev/mcp.
  • Connectors run from Anthropic's cloud, so your device network is usually not the problem.
  • Add the connector again from Customize > Connectors, then ask Claude to connect Googlecontacts.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the Googlecontacts authorization link not work?

The Composio connector is one server. Your Googlecontacts account connects separately when Claude asks for it.

  • If the browser does not open, or the link expires, ask Claude to retry the Googlecontacts connection.
  • Composio creates a fresh Googlecontacts authorization link.
  • Open that link in your browser and finish the Googlecontacts sign-in.

4. Why do Googlecontacts actions fail after they worked before?

The Googlecontacts connection can expire or lose permission.

  • Ask Claude to inspect the Googlecontacts connection.
  • If the connection is unhealthy, disconnect it when Claude prompts you.
  • Reconnect the Googlecontacts account and retry the action.
  • If Claude shows a permission prompt, approve it before Claude changes data in Googlecontacts.
  • If the action still fails with a permission error, check that the connected account has that permission in Googlecontacts itself.

5. How do I switch to a different Googlecontacts account?

Claude can manage the Googlecontacts connection for you.

  • Ask Claude to disconnect or delete the current Googlecontacts account.
  • Ask Claude to connect Googlecontacts again.
  • Open the new Composio authorization link for Googlecontacts.
  • Sign in with the other Googlecontacts account in the browser.
  • After the account connects, ask Claude to retry the Googlecontacts task.

6. Why is my Googlecontacts connection missing in Claude Desktop or on a Team plan?

The connector belongs to your Claude account, so your Googlecontacts connection works in Claude Web, Desktop, and Cowork.

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If Googlecontacts tools still do not appear, click ⋮, disconnect, remove the connector, and add it again.
  • On Team or Enterprise, an Owner or Primary Owner must enable the connector before you can connect Googlecontacts.
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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Codex

Use Googlecontacts MCP with Codex

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. Claude Cowork 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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