List charges and credits for a customer. GET /customers/{customerId}/charges_credits. Optional filters: status, type (charge or credit).
AI agents call list_customer_charges_credits 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 and queries existing billing data for a customer with no side effects. It performs a GET operation that returns information about charges and credits without creating, modifying, deleting, or executing any operations. The lack of write/execute/destructive capabilities and absence of financial transaction initiation makes this a straightforward Read operation.
From the tool's definition Tool name 'list_customer_charges_credits' and description 'List charges and credits for a customer' with GET HTTP method indicate retrieval without modification. Optional filters (status, type) are query parameters for data retrieval.
Attacks that exploit this kind of access
List charges and credits for a customer. GET /customers/{customerId}/charges_credits. Optional filters: status, type (charge or credit). 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 list_customer_charges_credits: 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.
list_customer_charges_credits 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 list_customer_charges_credits 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 list_customer_charges_credits. 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.
list_customer_charges_credits 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.
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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