Get detailed information about the logged in account holder including name, address, and other personal details.
AI agents call account_holder_get to retrieve information from Starling Bank without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves personally identifiable information (PII) including name, address, and other personal details about the account holder. While it is a Read operation (no data modification), the sensitivity of the data being accessed and the context of a financial services account justifies a 'high' severity rating.
From the tool's definition Tool name contains 'get' and description states 'Get detailed information about the logged in account holder including name, address, and other personal details.' This is a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Get detailed information about the logged in account holder including name, address, and other personal details. It is categorised as a Read tool in the Starling Bank MCP Server, which means it retrieves data without modifying state.
Register the Starling Bank MCP server in PolicyLayer and add a rule for account_holder_get: 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 Starling Bank. Nothing to install.
account_holder_get 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 account_holder_get 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 account_holder_get. 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.
account_holder_get is provided by the Starling Bank MCP server (starling-bank-mcp). 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.
Teams ship this data inside their own products. See what a licence covers →