recycle_kubernetes_nodes

THE RISK

High Risk

Why recycle_kubernetes_nodes needs a policy

Recycling Kubernetes nodes involves terminating existing node instances and spinning up new ones. This is an operational action with significant side effects (workload interruption, pod eviction, temporary capacity reduction) but is generally recoverable, placing it in Execute rather than Destructive. Misuse by an AI agent could cause service disruption across a Kubernetes cluster, warranting high severity.

From the tool's definition 'Recycle specified nodes in a node pool' — recycling nodes terminates and recreates compute instances, causing workload disruption

Documented attack patterns abuse exactly the kind of access recycle_kubernetes_nodes gives an agent:

POLICY

How to control recycle_kubernetes_nodes

PolicyLayer is an MCP gateway — it sits between your AI agents and Linode MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for recycle_kubernetes_nodes:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "recycle_kubernetes_nodes": {
      "limits": [
        {
          "counter": "recycle_kubernetes_nodes_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

recycle_kubernetes_nodes stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Linode MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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All 416 Linode MCP Server tools →

Execute tools on other servers

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Go deeper

High-risk tools in Linode MCP Server → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about recycle_kubernetes_nodes

What does the recycle_kubernetes_nodes tool do? +

Recycle specified nodes in a node pool. It is categorised as a Execute tool in the Linode MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on recycle_kubernetes_nodes? +

Register the Linode MCP Server MCP server in PolicyLayer and add a rule for recycle_kubernetes_nodes: 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 recycle_kubernetes_nodes? +

recycle_kubernetes_nodes is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit recycle_kubernetes_nodes? +

Yes. Add a rate_limit block to the recycle_kubernetes_nodes 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 recycle_kubernetes_nodes completely? +

Set action: deny in the PolicyLayer policy for recycle_kubernetes_nodes. 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 recycle_kubernetes_nodes? +

recycle_kubernetes_nodes 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.

Enforce policy on every Linode MCP Server tool call.

Start from Linode MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →