AI agents call get-member-group-root 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.
This tool retrieves hierarchical information about member groups from an Umbraco CMS instance. It performs a query operation that returns data about the member group tree structure without creating, modifying, deleting, or executing any changes. The blast radius of misuse is minimal—an agent could only enumerate or view member group information, not alter it.
From the tool's definition The tool is named 'get-member-group-root' and described as 'Gets the root level of the member group tree'. The verb 'Gets' and the read-only nature of retrieving a tree structure indicate data retrieval without modification.
Risk signalsAdmin/system-level operation
Attacks that exploit this kind of access
Gets the root level of the member group tree. It is categorised as a Read tool in the Mcp Dev MCP Server, which means it retrieves data without modifying state.
Register the Mcp Dev MCP server in PolicyLayer and add a rule for get-member-group-root: 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.
get-member-group-root is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get-member-group-root 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.
Set action: deny in the PolicyLayer policy for get-member-group-root. 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.
get-member-group-root 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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