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set_cpu_throttle

Slow down CPU performance for testing by applying a throttle multiplier (1.0 disables, 20.0 emulates low-end phone).

Instructions

Slow the CPU by a multiplier.

    ``1.0`` disables throttling, ``4.0`` is DevTools' "4x slowdown",
    ``20.0`` roughly emulates a low-end phone.
    

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
rateNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

No annotations provided, so description must carry full burden. It discloses that rate 1.0 disables throttling, but lacks details on persistence, scope (tab vs global), or side effects.

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?

Three sentences, front-loaded with the main action, no redundant text. Every sentence adds value.

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?

For a simple one-parameter tool with an output schema, the description is sufficient. It covers purpose, parameter, and reversion. However, it could mention what the output contains.

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?

Schema coverage is 0%, but the description explains the only parameter 'rate' as a multiplier with concrete examples (1.0, 4.0, 20.0), adding meaning beyond the schema's type and default.

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

Purpose4/5

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

The description clearly states the tool slows the CPU by a multiplier, with specific examples. However, it does not differentiate from sibling tools like set_network_conditions or emulate_media.

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 when to use (to simulate slower CPU) and gives example values, but lacks explicit guidance on when not to use or alternatives, such as other throttling tools.

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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