AI agents call get_disk_plan to retrieve information from Sacloud without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The 'get_' prefix and the function name clearly indicate data retrieval. Even though the description is empty, the naming convention and context from sibling tools (which include destructive/write operations like delete_bridge, create_server, etc.) suggest this is a read operation to list or fetch available disk plan options. No side effects are expected.
From the tool's definition Tool name is 'get_disk_plan', which follows a read-only 'get_' pattern; it retrieves information about disk plans without indicating any modification, deletion, or execution capability.
Documented attack patterns abuse exactly the kind of access get_disk_plan gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Sacloud, and nothing reaches the server without passing your rules. This is the rule we recommend for get_disk_plan:
{
"version": "1",
"default": "deny",
"tools": {
"get_disk_plan": {}
}
}get_disk_plan is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_disk_plan. It is categorised as a Read tool in the Sacloud MCP Server, which means it retrieves data without modifying state.
Register the Sacloud MCP server in PolicyLayer and add a rule for get_disk_plan: 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 Sacloud. Nothing to install.
get_disk_plan 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 get_disk_plan 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 get_disk_plan. 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.
get_disk_plan is provided by the Sacloud MCP server (sacloud/sacloud-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Sacloud, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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37 Sacloud tools catalogued and risk-classified — across an index of 43,000+ MCP servers.