get_bill_list_by_month
AI agents call get_bill_list_by_month to retrieve information from Sacloud without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves billing information—a read-only operation that queries data without side effects. Although financial data is sensitive, retrieval alone is categorized as Read rather than Financial (which applies to transfers or commitments of money). The blast radius of accidental misuse is low; exposure of one user's billing data is a data privacy concern but not a financial transaction risk.
From the tool's definition Tool name 'get_bill_list_by_month' indicates retrieval of billing records grouped by month. The verb 'get' and pattern 'list' are characteristic of read operations.
Documented attack patterns abuse exactly the kind of access get_bill_list_by_month gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Sacloud, and nothing reaches the server without passing your rules. This is the rule we recommend for get_bill_list_by_month:
{
"version": "1",
"default": "deny",
"tools": {
"get_bill_list_by_month": {}
}
}get_bill_list_by_month is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_bill_list_by_month. It is categorised as a Read tool in the Sacloud MCP Server, which means it retrieves data without modifying state.
Register the Sacloud MCP server in PolicyLayer and add a rule for get_bill_list_by_month: 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 Sacloud. Nothing to install.
get_bill_list_by_month 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_bill_list_by_month 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_bill_list_by_month. 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_bill_list_by_month is provided by the Sacloud MCP server (sacloud/sacloud-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Sacloud, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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37 Sacloud tools catalogued and risk-classified — across an index of 43,000+ MCP servers.