List payer types for redelivery via Common/getTypesOfPayersForRedelivery (doc 1.19). Returns who can pay for backward delivery (Sender/Recipient). Used with return shipments. Docs recommend caching monthly.
AI agents call reference_get_redelivery_payers 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 retrieves static reference information about redelivery payer types (Sender/Recipient options) without modifying, deleting, or executing operations. It is a simple read/query operation against reference data. The recommendation to cache monthly further confirms it returns unchanging reference information.
From the tool's definition Tool description states 'List payer types for redelivery' and 'Returns who can pay for backward delivery'. The verb 'List' and 'Returns' indicate data retrieval with no side effects. The tool queries reference data about payer types from the Nova Poshta API.
Attacks that exploit this kind of access
List payer types for redelivery via Common/getTypesOfPayersForRedelivery (doc 1.19). Returns who can pay for backward delivery (Sender/Recipient). Used with return shipments. 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_redelivery_payers: 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_redelivery_payers 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_redelivery_payers 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_redelivery_payers. 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_redelivery_payers 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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