Get a single rate plan charge on a subscription. GET /subscriptions/{subscriptionId}/rateplan-charges/{chargeId}.
AI agents call get_subscription_rate_plan_charge to retrieve information from Rebillia MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves subscription billing data (rate plan charge details) without side effects. It performs a simple GET request to fetch existing information about a subscription's charge configuration. This is a standard Read operation with minimal security risk, as it only exposes information retrieval with no capacity to modify, delete, or commit financial transactions.
From the tool's definition Tool name 'get_subscription_rate_plan_charge' and description 'Get a single rate plan charge' indicate a retrieval operation. HTTP method is GET, which is a read-only operation. No modification, deletion, or financial transaction occurs.
Attacks that exploit this kind of access
Get a single rate plan charge on a subscription. GET /subscriptions/{subscriptionId}/rateplan-charges/{chargeId}. It is categorised as a Read tool in the Rebillia MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Rebillia MCP Server MCP server in PolicyLayer and add a rule for get_subscription_rate_plan_charge: 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 Rebillia MCP Server. Nothing to install.
get_subscription_rate_plan_charge 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_subscription_rate_plan_charge 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_subscription_rate_plan_charge. 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_subscription_rate_plan_charge is provided by the Rebillia MCP Server MCP server (rhinosaas/rebillia-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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