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bvandevliet

Betaflight MCP

by bvandevliet

set_dterm_lpf1_dyn_min_hz

Set the idle throttle minimum cutoff of the dynamic D-term LPF1 to control filter behavior during low throttle conditions.

Instructions

Set dterm_lpf1_dyn_min_hz: Dynamic D-term LPF1 minimum cutoff (at idle throttle). AOS tune: 80 Hz. [UINT16, default: 75]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
valueYesValue for dterm_lpf1_dyn_min_hz (UINT16)
Behavior2/5

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

With no annotations, the description carries full burden. It mentions 'dynamic' and 'at idle throttle' but does not disclose effects on flight behavior, whether changes take effect immediately, or any side effects. The type and default are noted but partially redundant with schema.

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 concise: two sentences plus a bracket note. It front-loads the parameter name and purpose, then adds value with context and defaults. No unnecessary words.

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 tuning parameter in a flight controller, the description provides the basic purpose, default, and a tuning hint. However, it lacks explanation of effect on flight, valid range (although schema has huge min/max, not practical), and interaction with other filters. Adequate but incomplete.

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 schema covers 100% of parameters (one integer 'value'), but the description adds meaningful context: the value is a minimum cutoff frequency in Hz, relevant at idle throttle, with a tuning suggestion (AOS: 80 Hz) and default (75). This significantly aids interpretation beyond the schema's generic description.

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 specific parameter (dterm_lpf1_dyn_min_hz), with additional context that it's a dynamic D-term LPF1 minimum cutoff at idle throttle. It also provides a tuning recommendation and default value, making it highly distinguishable from sibling set_* tools.

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 explicit guidance on when to use this tool or when to avoid it. Among many similar set_dterm_lpf1_* siblings, the description does not differentiate usage scenarios or mention alternatives.

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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