Get the full tree of Wordstat region IDs and names. Useful for choosing region filters.
AI agents call wordstat_get_regions_tree to retrieve information from Yandex Searchapi without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves static reference data (region hierarchy) from the Yandex Wordstat API. It has no side effects, does not execute code or commands, does not modify data, and does not involve financial transactions. It is purely informational, used to help users select appropriate region filters for other queries.
From the tool's definition Tool description states 'Get the full tree of Wordstat region IDs and names.' This is a retrieval operation that returns reference data without modifying or executing any operations.
Attacks that exploit this kind of access
Get the full tree of Wordstat region IDs and names. Useful for choosing region filters. It is categorised as a Read tool in the Yandex Searchapi MCP Server, which means it retrieves data without modifying state.
Register the Yandex Searchapi MCP server in PolicyLayer and add a rule for wordstat_get_regions_tree: 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 Yandex Searchapi. Nothing to install.
wordstat_get_regions_tree 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 wordstat_get_regions_tree 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 wordstat_get_regions_tree. 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.
wordstat_get_regions_tree is provided by the Yandex Searchapi MCP server (shufl9dka/yandex-searchapi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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