List all clouds in organization or all accessible clouds
AI agents call list_yandex_clouds to retrieve information from Yandex Cloud MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves organizational cloud data with no side effects. It performs a simple enumeration query. The blast radius of misuse is limited to information disclosure of cloud resources already accessible to the authenticated user. No data is modified, deleted, or executed.
From the tool's definition Tool name 'list_yandex_clouds' and description 'List all clouds in organization or all accessible clouds' indicate a read-only list operation. Server is explicitly described as 'Read-only MCP server'.
Attacks that exploit this kind of access
List all clouds in organization or all accessible clouds. It is categorised as a Read tool in the Yandex Cloud MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Yandex Cloud MCP Server MCP server in PolicyLayer and add a rule for list_yandex_clouds: 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 Cloud MCP Server. Nothing to install.
list_yandex_clouds 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 list_yandex_clouds 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 list_yandex_clouds. 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.
list_yandex_clouds is provided by the Yandex Cloud MCP Server MCP server (romati88/ycmcp). 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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