get_instance

A read tool on the Linode MCP server.

SERVERLinode MCP Server SOURCEkomer3/linode-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/komer3-linode-mcp/get-instance.md

WHAT IT DOES

What get_instance does on Linode MCP Server

AI agents call get_instance 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.

RISK

Why get_instance is rated Low

The tool name and context indicate this retrieves or queries a specific Linode instance's information. Although the description is empty, the naming pattern 'get_' is a standard convention for retrieval operations with no side effects. No destructive, write, or execute operations are implied.

From the tool's definition Tool name 'get_instance' combined with server capability listing 'viewing' Linode instances; sibling tools include 'list_instances' and 'list_regions' (clearly Read operations), suggesting this retrieves instance details without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_instance 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, this is the rule to start with:

get_instance Allowed

get_instance is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_instance": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Linode MCP Server, apply this rule, and every get_instance call is checked against it from then on.

FAQ

Questions about get_instance

What does the get_instance tool do? +

get_instance is a read tool on the Linode MCP Server MCP server. It is categorised as a Read tool in the Linode MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_instance? +

Register the Linode MCP Server MCP server in PolicyLayer and add a rule for get_instance: 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.

What risk level is get_instance? +

get_instance is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_instance? +

Yes. Add a rate_limit block to the get_instance 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.

How do I block get_instance completely? +

Set action: deny in the PolicyLayer policy for get_instance. 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.

What MCP server provides get_instance? +

get_instance is provided by the Linode MCP Server MCP server (komer3/linode-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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