AI agents call check_ip_support_utils to retrieve information from Zbd without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a region verification check by examining IP data, which is a read-only operation. It returns information about whether a user is in a supported region but does not create, modify, delete, or execute external operations.
From the tool's definition Tool name 'check_ip_support_utils' and description 'Verify if a user is coming from a supported region' indicate a query operation that retrieves or checks geolocation/regional information without modifying data.
Attacks that exploit this kind of access
Verify if a user is coming from a supported region. It is categorised as a Read tool in the Zbd MCP Server, which means it retrieves data without modifying state.
Register the Zbd MCP server in PolicyLayer and add a rule for check_ip_support_utils: 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 Zbd. Nothing to install.
check_ip_support_utils 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 check_ip_support_utils 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 check_ip_support_utils. 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.
check_ip_support_utils is provided by the Zbd MCP server (zebedeeio/zbd-payments-typescript-sdk). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
check_ip_support_utils is one line of Zbd's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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