upgrade_firmware | PolicyLayer

WHAT IT DOES

What upgrade_firmware does on HPE Aruba Networking Central MCP Server

AI agents invoke upgrade_firmware to trigger actions in HPE Aruba Networking Central MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why upgrade_firmware needs a policy

Firmware upgrades execute a significant operational action on network devices, pushing new firmware which can cause reboots, service interruptions, and potentially irreversible state changes. Sibling tools like 'cancel_firmware_upgrade' suggest this triggers an active process.

From the tool's definition Tool name 'upgrade_firmware'; description is empty and uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

upgrade_firmware Rate-limited

upgrade_firmware 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.

View as policy code

policy.json

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

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about upgrade_firmware

What does the upgrade_firmware tool do? +

upgrade_firmware. It is categorised as a Execute tool in the HPE Aruba Networking Central 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 upgrade_firmware? +

Register the HPE Aruba Networking Central MCP Server MCP server in PolicyLayer and add a rule for upgrade_firmware: 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 HPE Aruba Networking Central MCP Server. Nothing to install.

What risk level is upgrade_firmware? +

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

Can I rate-limit upgrade_firmware? +

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

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

upgrade_firmware is provided by the HPE Aruba Networking Central MCP Server MCP server (the-otner/aruba-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.