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bvandevliet

Betaflight MCP

by bvandevliet

set_d_max_yaw

Set the yaw D_max value to control derivative gain and reduce yaw oscillations.

Instructions

Set d_max_yaw: D_max for yaw. [UINT8, default: 0]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
valueYesValue for d_max_yaw (UINT8)
Behavior2/5

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

No annotations provided, so description must disclose behavioral traits. It only states the action and default, but does not explain the effect of changing d_max_yaw or any 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.

Conciseness3/5

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

Very concise (one line) but repeats the tool name unnecessarily; lacks structure or additional sentences that could clarify usage.

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

Completeness2/5

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

For a simple setter with one parameter, the description should explain what d_max_yaw is and its role in PID tuning, which is absent.

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 100%, baseline 3. The description adds the default value (0) which is not in the schema, providing useful extra context for the parameter's meaning.

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 action ('Set') and the resource ('d_max_yaw for yaw'), with the sibling context distinguishing it from getter and other axis setters.

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

Usage Guidelines2/5

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

No guidance on when to use this tool versus alternatives like set_d_yaw or other PID parameters; lacks context on prerequisites or typical use cases.

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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