list_account_invoices
Gets all invoices for a Postman billing account filtered by status
This record as markdown: /tools/delano-postman-mcp-server/list-account-invoices.md
What list_account_invoices does on Postman
AI agents call list_account_invoices to retrieve information from Postman without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_account_invoices is rated Low
This tool retrieves and queries billing invoice data from a Postman account without creating, modifying, deleting, or executing any operations. It is a passive information retrieval function. Severity is low because invoice access, while sensitive business information, does not directly enable financial transactions or destructive actions when merely read.
From the tool's definition Tool name 'list_account_invoices' and description 'Gets all invoices' indicate data retrieval with no modification. The verb 'list' and 'get' are quintessential Read operations.
Attacks that exploit this kind of access
The rule that runs list_account_invoices safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Postman, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_account_invoices, this is the rule to start with:
list_account_invoices is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Postman, apply this rule, and every list_account_invoices call is checked against it from then on.
Questions about list_account_invoices
Gets all invoices for a Postman billing account filtered by status. It is categorised as a Read tool in the Postman MCP Server, which means it retrieves data without modifying state.
Register the Postman MCP server in PolicyLayer and add a rule for list_account_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 Postman. Nothing to install.
list_account_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_account_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_account_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_account_invoices is provided by the Postman MCP server (delano/postman-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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