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sonos-ts-mcp

sonos-ts-mcp

by Tommertom
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
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sonos_get_sleep_timer

Retrieve the remaining sleep timer duration from a Sonos device. Returns empty if no timer is active.

Instructions

Get remaining sleep timer duration. Returns empty if no timer is active.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "deviceId": "<deviceId>"
    },
    "name": "sonos_get_sleep_timer"
  }
}

Input Schema

NameRequiredDescriptionDefault
deviceIdYesRoom name, UUID, or IP address

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.4.7

TDQS

A3.8/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It discloses that the return is empty if no timer is active, which is useful. However, it does not mention any side effects, permissions required, or whether the timer is per-device or group. More behavioral context could be added.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, concise sentence that front-loads the primary action and includes an important edge case. No unnecessary words or repetition.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's simplicity (one parameter, no output schema, low complexity), the description adequately covers purpose and return behavior. It could mention whether the timer applies to the specific device or group, but overall it is sufficiently complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with a clear description of the deviceId parameter ('Room name, UUID, or IP address'). The tool description adds no additional meaning beyond what the schema already provides, so baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'Get' and the resource 'remaining sleep timer duration', and distinguishes from siblings like 'sonos_set_sleep_timer' and 'sonos_cancel_sleep_timer' by focusing on retrieval. The edge case of returning empty when no timer is active is also specified.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies the tool should be used when you need to check the remaining sleep timer, but it does not explicitly state when to use it versus alternatives (e.g., setting or canceling a timer). No when-not-to-use or alternative tool guidance is provided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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