create_contact_group

Create a new contact group (label) to organize your contacts.

SERVERMCP Google Contacts Server SOURCE4tal/mcp-google-contacts

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/4tal-mcp-google-contacts/create-contact-group.md

WHAT IT DOES

What create_contact_group does on MCP Google Contacts Server

AI agents use create_contact_group to create or update resources in MCP Google Contacts Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Google Contacts Server environment.

RISK

Why create_contact_group is rated Medium

This tool creates a new organizational structure (contact group/label) in Google Contacts. While the action is reversible (groups can be deleted via delete_contact_group), it modifies the user's contact management system. The blast radius is limited to the user's own contact organization and does not expose financial data, execute arbitrary code, or permanently destroy critical data.

From the tool's definition Tool creates a new contact group (label) - this is a new, reversible data creation operation. The description explicitly states 'Create a new contact group' which matches the Write category definition of 'creates or modifies data reversibly'.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_contact_group safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MCP Google Contacts Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_contact_group, this is the rule to start with:

create_contact_group Rate-limited

create_contact_group stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_contact_group": {
      "limits": [
        {
          "counter": "create_contact_group_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect MCP Google Contacts Server, apply this rule, and every create_contact_group call is checked against it from then on.

FAQ

Questions about create_contact_group

What does the create_contact_group tool do? +

Create a new contact group (label) to organize your contacts. It is categorised as a Write tool in the MCP Google Contacts Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_contact_group? +

Register the MCP Google Contacts Server MCP server in PolicyLayer and add a rule for create_contact_group: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches MCP Google Contacts Server. Nothing to install.

What risk level is create_contact_group? +

create_contact_group is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_contact_group? +

Yes. Add a rate_limit block to the create_contact_group rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block create_contact_group completely? +

Set action: deny in the PolicyLayer policy for create_contact_group. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides create_contact_group? +

create_contact_group is provided by the MCP Google Contacts Server MCP server (4tal/mcp-google-contacts). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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