get_instance_disk
Get a specific disk for a Linode instance
This record as markdown: /tools/takashito-linode-mcp-server/get-instance-disk.md
What get_instance_disk does on Linode MCP Server
AI agents call get_instance_disk to retrieve information from Linode MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_instance_disk is rated Low
This tool performs a read-only query to retrieve information about a disk attached to a Linode instance. It does not create, modify, delete, or execute any operations—it simply fetches and returns data. This is a standard Read category operation with minimal risk, as it only discloses existing configuration information about infrastructure already owned by the authenticated user.
From the tool's definition Tool name 'get_instance_disk' and description 'Get a specific disk for a Linode instance' indicate a retrieval operation with no modification or deletion of resources.
Attacks that exploit this kind of access
The rule that runs get_instance_disk safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Linode MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_instance_disk, this is the rule to start with:
get_instance_disk is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Linode MCP Server, apply this rule, and every get_instance_disk call is checked against it from then on.
Questions about get_instance_disk
Get a specific disk for a Linode instance. It is categorised as a Read tool in the Linode MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Linode MCP Server MCP server in PolicyLayer and add a rule for get_instance_disk: 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 Linode MCP Server. Nothing to install.
get_instance_disk 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_instance_disk 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_instance_disk. 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_instance_disk is provided by the Linode MCP Server MCP server (takashito/linode-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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