get-user-groups · Mcp Dev MCP: Risk & Policy

WHAT IT DOES

What get-user-groups does on Mcp Dev

AI agents call get-user-groups to retrieve information from Mcp Dev without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get-user-groups needs a policy

This tool retrieves user group information from Umbraco CMS without creating, modifying, or deleting data. It is a query operation that returns existing data, fitting the Read category. Severity is low because user group enumeration, while potentially informative to an attacker, does not directly compromise systems or data and is typically available to authenticated administrative users in CMS environments.

From the tool's definition Tool name 'get-user-groups' and description 'Gets all user groups' indicate a retrieval operation with no modification or side effects.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

Questions about get-user-groups

What does the get-user-groups tool do? +

Gets all user groups. It is categorised as a Read tool in the Mcp Dev MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get-user-groups? +

Register the Mcp Dev MCP server in PolicyLayer and add a rule for get-user-groups: 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 Dev. Nothing to install.

What risk level is get-user-groups? +

get-user-groups is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get-user-groups? +

Yes. Add a rate_limit block to the get-user-groups 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 get-user-groups completely? +

Set action: deny in the PolicyLayer policy for get-user-groups. 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 get-user-groups? +

get-user-groups is provided by the Mcp Dev MCP server (@umbraco-cms/mcp-dev). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.