delete_contact_group

Delete a contact group. Note: This only works for user-created groups, not system groups.

SERVERMCP Google Contacts Server SOURCE4tal/mcp-google-contacts

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

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

WHAT IT DOES

What delete_contact_group does on MCP Google Contacts Server

AI agents call delete_contact_group to permanently remove resources in MCP Google Contacts Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why delete_contact_group is rated Critical

The tool performs an irreversible deletion of user-created contact groups, which constitutes a destructive action. The impact is high because deleting a contact group may affect multiple contacts and organizational workflows dependent on that group, though it is scoped to user-created groups only (not system groups). High confidence due to explicit 'delete' language in both name and description.

From the tool's definition Tool name contains 'delete' and description states 'Delete a contact group.' This is an irreversible operation that permanently removes data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs delete_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 delete_contact_group, this is the rule to start with:

delete_contact_group Hidden

delete_contact_group is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "delete_contact_group"
  ]
}

RESTRICT 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 delete_contact_group call is checked against it from then on.

FAQ

Questions about delete_contact_group

What does the delete_contact_group tool do? +

Delete a contact group. Note: This only works for user-created groups, not system groups. It is categorised as a Destructive tool in the MCP Google Contacts Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on delete_contact_group? +

Register the MCP Google Contacts Server MCP server in PolicyLayer and add a rule for delete_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 delete_contact_group? +

delete_contact_group is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit delete_contact_group? +

Yes. Add a rate_limit block to the delete_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 delete_contact_group completely? +

Set action: deny in the PolicyLayer policy for delete_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 delete_contact_group? +

delete_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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