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Jelloeater

ulanzi-mcp

reboot_clock

Reboots the Ulanzi TC001 Smart Pixel Clock. Optionally specify which clock to target by index, defaulting to the first clock.

Instructions

Reboot the clock.

Args: clock_index: Optional index of clock to target (0-based). Defaults to first clock.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
clock_indexNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations are provided, so the description must carry the full burden. It lacks disclosure of behavioral traits such as whether the action is destructive, what the effect is, or if any state changes occur.

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 extremely concise: one sentence plus an args explanation, with no redundant information. It earns its place efficiently.

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

Completeness3/5

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

While there is an output schema (reducing need for return value explanation), the description lacks completeness for a potentially destructive action. It doesn't mention side effects or prerequisites.

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 description clarifies that clock_index is 0-based and defaults to the first clock, adding meaning beyond the schema which only specifies type and default. This compensates for 0% schema coverage.

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 explicitly states 'Reboot the clock' with a specific verb and resource, distinguishing it from sibling tools like set_power or switch_to_app.

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 usage when a clock reboot is needed but provides no guidance on when to prefer this over alternatives or any prerequisites.

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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