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Starlordzz

multi_uiautomator2

by Starlordzz

get_server_status

Check the Android automation server's current uptime, idle countdown, and connected devices to confirm availability before running UI actions.

Instructions

Get automation-server status: uptime, idle-watchdog countdown and currently connected devices. The underlying server auto-starts on demand and exits after the idle timeout.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A4.3/5.0
Behavior4/5

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

With no annotations provided, the description carries the full behavioral burden. It discloses that the server auto-starts on demand and exits after an idle timeout, which is valuable non-obvious behavior. It does not cover every possible side effect, but for a status getter this is strong disclosure.

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?

Two sentences with no filler. The main purpose is stated first, followed by the most relevant behavioral context. Every sentence adds value.

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

Completeness5/5

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

For a parameterless read-status tool with an output schema, the description is complete. It covers what status information is returned and the key server lifecycle behavior, leaving no critical gap for an agent to call it correctly.

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

Parameters4/5

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

The tool has zero parameters and schema coverage is 100% vacuously, so the baseline is 4. The description adds no parameter details because none are needed.

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 tool retrieves automation-server status, specifying the exact details returned: uptime, idle-watchdog countdown, and connected devices. It distinguishes itself from siblings like list_devices by focusing on server-level status rather than device enumeration.

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 this tool is for checking server health/lifecycle, and the auto-start/idle-timeout note gives useful context for when it might be relevant. However, it does not explicitly state when to prefer this over list_devices or other siblings, leaving the agent to infer the selection criteria.

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