List available packaging types via Common/getPackList (doc 1.10). Returns standard package dimensions and descriptions. Useful for calculating delivery costs and validating package options. Docs recommend caching monthly.
AI agents call reference_get_pack_list 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 a reference list of packaging types from the Nova Poshta API. It retrieves read-only data (dimensions, descriptions) useful for informational purposes. No data is created, modified, deleted, or financial transactions are involved. The recommendation to cache monthly further indicates this is a simple reference lookup with no destructive or state-changing capability.
From the tool's definition Tool name contains 'get' and description states 'List available packaging types' and 'Returns standard package dimensions and descriptions'—retrieval operations with no side effects.
Attacks that exploit this kind of access
List available packaging types via Common/getPackList (doc 1.10). Returns standard package dimensions and descriptions. Useful for calculating delivery costs and validating package options. Docs recommend caching monthly. 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 reference_get_pack_list: 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.
reference_get_pack_list 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 reference_get_pack_list 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 reference_get_pack_list. 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.
reference_get_pack_list 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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