mode

THE RISK

Low Risk

Why mode needs a policy

The description is empty and uninformative. The name 'mode' alone is ambiguous — it could read a playback mode, set a playback mode (write), or something else entirely. Given sibling tools relate to Sonos playback control, it likely reads or sets a playback mode, but without evidence I cannot confidently classify it. Defaulting to Other with low confidence.

From the tool's definition Tool name is 'mode' with empty description. No information about what this tool does.

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

POLICY

How to control mode

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "mode": {
      "limits": [
        {
          "counter": "mode_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

mode gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register Sonos 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.

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Sonos MCP Server tools

Destructive remove_index_from_queue remove_index_from_queue Execute play Start playback on a Sonos device. Execute stop Stop playback on a Sonos device. Execute next Skip to the next track on a Sonos device. Execute pause Pause playback on a Sonos device. Execute play_index play_index Execute previous previous Execute skip skip

All 18 Sonos MCP Server tools →

Other tools on other servers

Android Forensics ADB MCP Server generate_app_analysis_report Ethereum Tools add Math MCP Server complex_analysis_suite Crypto_MCP aes_encrypt

Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about mode

What does the mode tool do? +

mode. It is categorised as a Other tool in the Sonos MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on mode? +

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

What risk level is mode? +

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

Can I rate-limit mode? +

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

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

mode is provided by the Sonos MCP Server MCP server (winstonfassett/sonos-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 Sonos MCP Server tool call.

Start from Sonos 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 →