MCP Google Contacts MCP Server

A Machine Conversation Protocol (MCP) server that provides comprehensive Google Contacts functionality for AI assistants.

Local serverstdioPython

What is the MCP Google Contacts MCP server?

MCP Google Contacts MCP server exists for a simple reason — assistants are far more useful when they can act on MCP Google Contacts directly instead of describing what you should do. A Machine Conversation Protocol (MCP) server that provides comprehensive Google Contacts functionality for AI assistants.

What the assistant can call

Once MCP Google Contacts is connected, these are the calls the assistant has available:

  • Prerequisites — The Prerequisites tool exposed by this server
  • Setup — The Setup tool exposed by this server
  • Examples — The Examples tool exposed by this server

Configuration and credentials

You will need 3 environment variables: GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, GOOGLE_REFRESH_TOKEN. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

  • Python 3.12 or higher - Google account with contacts access - Google Cloud project with People API enabled - OAuth 2.0 credentials

Setting it up

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client.

Choosing this one

Plenty of developer tooling servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. MCP Google Contacts's toolset — Prerequisites, Setup, Examples — is a fair guide to whether it matches your workflow. It is maintained by 4tal; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

Before you rely on it

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the mcp google contacts mcp server does with a few real requests.

Available tools

ToolWhat it does
PrerequisitesThe Prerequisites tool exposed by this server.
SetupThe Setup tool exposed by this server.
ExamplesThe Examples tool exposed by this server.

Configuration

  • Python 3.12 or higher - Google account with contacts access - Google Cloud project with People API enabled - OAuth 2.0 credentials
VariableDescriptionRequired
GOOGLE_CLIENT_IDConfiguration value read at startup.Optional
GOOGLE_CLIENT_SECRETCredential the server authenticates with.Yes
GOOGLE_REFRESH_TOKENCredential the server authenticates with.Yes

Example prompts to try

  • Use MCP Google Contacts to Prerequisites.
  • Use MCP Google Contacts to Setup.
  • Use MCP Google Contacts to Examples.

Frequently asked questions

It connects MCP Google Contacts to MCP-compatible AI assistants such as Claude and Cursor, exposing 3 tools (Prerequisites, Setup, Examples) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with MCP Google Contacts directly.