Get estimated delivery date for a city pair and service type. Doc 1.2 outlines the generic Nova Poshta envelope, and this helper builds the methodProperties (CitySender, CityRecipient, ServiceType, optional DateTime) expected by the delivery-date method.
AI agents call waybill_get_delivery_date to retrieve information from Novaposhta without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries delivery date estimates based on city pairs and service type. It retrieves data from the Nova Poshta API without creating, modifying, deleting, or executing any operations that would change state or have side effects. The 'get' operation and 'estimated delivery date' retrieval are classic Read-category operations.
From the tool's definition Tool name contains 'get' and description states 'Get estimated delivery date' — retrieves information with no side effects. The description indicates it builds properties for querying delivery dates, a read-only operation.
Attacks that exploit this kind of access
Get estimated delivery date for a city pair and service type. Doc 1.2 outlines the generic Nova Poshta envelope, and this helper builds the methodProperties (CitySender, CityRecipient, ServiceType, optional DateTime) expected by the delivery-date method. It is categorised as a Read tool in the Novaposhta MCP Server, which means it retrieves data without modifying state.
Register the Novaposhta MCP server in PolicyLayer and add a rule for waybill_get_delivery_date: 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 Novaposhta. Nothing to install.
waybill_get_delivery_date 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 waybill_get_delivery_date 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 waybill_get_delivery_date. 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.
waybill_get_delivery_date is provided by the Novaposhta MCP server (@shopana/novaposhta-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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