世帯の詳細を取得します
AI agents call get_customer_group to retrieve information from hokan MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a retrieval operation that queries customer group (household) information without creating, modifying, deleting, or executing any side effects. It belongs in the Read category. Severity is low as it merely retrieves potentially sensitive customer data but does not enable destructive, financial, or execution-based attacks.
From the tool's definition Tool name is 'get_customer_group' (retrieve/get operation); description translates to 'Retrieves household details' - a query operation with no data modification.
Attacks that exploit this kind of access
世帯の詳細を取得します. It is categorised as a Read tool in the hokan MCP Server MCP Server, which means it retrieves data without modifying state.
Register the hokan MCP Server MCP server in PolicyLayer and add a rule for get_customer_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 hokan MCP Server. Nothing to install.
get_customer_group 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_customer_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.
Set action: deny in the PolicyLayer policy for get_customer_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.
get_customer_group is provided by the hokan MCP Server MCP server (shinonft/hokan-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.
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