List invoices. GET /invoices. Optional: include (detail, transactions, billruns, externalInvoices), status, query, orderBy, sortBy, filterId, itemPerPage, pageNo.
AI agents call list_invoices 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 invoice data using a GET request with optional filters and sorting. It performs a read-only query with no side effects, no data modification, and no external operations triggered. The presence of optional parameters like 'include', 'status', 'query', and pagination does not change its read-only nature. This is a straightforward data retrieval operation typical of billing systems.
From the tool's definition Tool name is 'list_invoices' and description states 'List invoices. GET /invoices' with optional filtering and pagination parameters. No modification, deletion, or execution occurs.
Attacks that exploit this kind of access
List invoices. GET /invoices. Optional: include (detail, transactions, billruns, externalInvoices), status, query, orderBy, sortBy, filterId, itemPerPage, pageNo. 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_invoices: 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_invoices 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_invoices 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_invoices. 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_invoices 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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