Get available delivery time intervals for recipient city using Common/getTimeIntervals (doc 1.16). Requires RecipientCityRef (and optional DateTime) and returns Number/Start/End entries that docs recommend caching monthly.
AI agents call reference_get_time_intervals 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.
The tool queries Nova Poshta's reference data to retrieve delivery time intervals for a given city and optional date. This is purely informational retrieval with no side effects, reversible modifications, code execution, data destruction, or financial impact. The recommendation to cache results monthly further confirms this is static reference data lookup.
From the tool's definition Tool description states it 'Get[s] available delivery time intervals' and 'returns Number/Start/End entries.' This is a retrieval operation with no modification, deletion, or execution of code.
Attacks that exploit this kind of access
Get available delivery time intervals for recipient city using Common/getTimeIntervals (doc 1.16). Requires RecipientCityRef (and optional DateTime) and returns Number/Start/End entries that 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_time_intervals: 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_time_intervals 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_time_intervals 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_time_intervals. 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_time_intervals 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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