unifi_set_jumbo_frames

Enable or disable jumbo frames on a switch.

SERVERUniFi Access MCP SOURCEpypi:unifi-protect-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-sirkirby-unifi-access-mcp/unifi-set-jumbo-frames.md

WHAT IT DOES

What unifi_set_jumbo_frames does on UniFi Access MCP

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

RISK

Why unifi_set_jumbo_frames is rated Medium

This tool modifies network infrastructure settings (switch configuration) reversibly. Enabling/disabling jumbo frames is a configuration change that can be undone, making it Write rather than Destructive. While it affects network performance and could impact system availability if misconfigured, it is not a financial transaction, code execution, or data deletion.

From the tool's definition The tool 'unifi_set_jumbo_frames' modifies network switch configuration by enabling or disabling jumbo frames, which changes MTU settings on network interfaces.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unifi_set_jumbo_frames safely

PolicyLayer is an MCP gateway: it sits between your AI agents and UniFi Access MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For unifi_set_jumbo_frames, this is the rule to start with:

unifi_set_jumbo_frames Rate-limited

unifi_set_jumbo_frames 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": {
    "unifi_set_jumbo_frames": {
      "limits": [
        {
          "counter": "unifi_set_jumbo_frames_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about unifi_set_jumbo_frames

What does the unifi_set_jumbo_frames tool do? +

Enable or disable jumbo frames on a switch. It is categorised as a Write tool in the UniFi Access MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on unifi_set_jumbo_frames? +

Register the UniFi Access MCP server in PolicyLayer and add a rule for unifi_set_jumbo_frames: 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 UniFi Access MCP. Nothing to install.

What risk level is unifi_set_jumbo_frames? +

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

Can I rate-limit unifi_set_jumbo_frames? +

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

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

unifi_set_jumbo_frames is provided by the UniFi Access MCP server (pypi:unifi-protect-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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