cp · Kubernetes MCP Server MCP: Risk & Policy

WHAT IT DOES

What cp does on Kubernetes MCP Server

AI agents use cp to create or update resources in Kubernetes MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Kubernetes MCP Server environment.

WHY IT NEEDS A POLICY

Why cp needs a policy

Copying files to/from a pod is a Write operation — it creates or modifies data within a running container. Copying files into a pod can overwrite existing files, potentially replacing configuration or binaries, making misuse high severity. However, since the operation is not inherently irreversible (files can be restored), it falls under Write rather than Destructive, though it borders on it.

From the tool's definition Copy files to/from a pod

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

cp Rate-limited

cp stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "cp": {
      "limits": [
        {
          "counter": "cp_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Kubernetes MCP Server, so you can run agents against it safely.

FAQ

Questions about cp

What does the cp tool do? +

Copy files to/from a pod. It is categorised as a Write tool in the Kubernetes MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on cp? +

Register the Kubernetes MCP Server MCP server in PolicyLayer and add a rule for cp: 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 Kubernetes MCP Server. Nothing to install.

What risk level is cp? +

cp is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit cp? +

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

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

cp is provided by the Kubernetes MCP Server MCP server (thekaranpargaie/kube-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.