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bvandevliet

Betaflight MCP

by bvandevliet

set_s_pitch

Set the S-term for pitch control. Requires USE_WING feature. Input an unsigned integer value for pitch damping sensitivity.

Instructions

Set s_pitch: S-term for pitch. (Requires: USE_WING) [UINT8, default: 0]

Input Schema

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

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

With no annotations, the description must disclose behavioral traits. It mentions the type (UINT8) and default (0), but fails to explain side effects (e.g., persistence, immediate impact), validation, or the discrepancy between the stated UINT8 range and the schema's huge min/max values. This is insufficient for a mutation tool.

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

Conciseness4/5

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

The description is very short (one sentence plus notes) and front-loaded with the action. It includes the requirement, type, and default efficiently, but could benefit from slight restructuring for readability.

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?

For a simple setter with one parameter, the description covers purpose, type, default, and a prerequisite. However, it lacks explanation of the parameter's role (S-term), expected side effects, and output. The large range mismatch between description and schema undermines completeness.

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 only parameter 'value' is described in the schema as 'Value for s_pitch (UINT8)'. The description adds the default value (0) and the prerequisite requirement, providing useful constraints beyond the schema. However, the schema's min/max are not UINT8 compliant, which is misleading.

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 action (Set) and the resource (s_pitch) with context 'S-term for pitch', distinguishing it from sibling setters like set_s_roll and set_s_yaw. It's not a tautology, but could be more explicit about the meaning of 'S-term'.

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 includes a prerequisite requirement ('Requires: USE_WING'), which provides some context for when the tool can be used. However, it does not offer guidance on when to adjust s_pitch versus other parameters, nor does it mention alternatives among the many sibling 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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