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bvandevliet

Betaflight MCP

by bvandevliet

get_roll_rate_limit

Retrieves the hard cap on roll rate in degrees per second, applied after the rates curve, from the Betaflight flight controller.

Instructions

Get roll_rate_limit: Hard cap on roll rate in deg/s, applied after the rates curve. [UINT16, default: 1998]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior3/5

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

With no annotations, the description provides some behavioral context by specifying the value type (UINT16), default (1998), and its application ('applied after the rates curve'). However, it does not disclose whether connectivity is required, if the value is cached, or any side effects. The implied read-only nature is evident from the name.

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, consisting of two short sentences. Every word adds value: the name, the definition, units, data type, and default. No unnecessary information.

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?

Given no parameters, no output schema, and a clear sibling context, the description sufficiently explains what the tool does and what the returned value means. It could mention that the value is read-only or that it comes from the current configuration, but this is minor.

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 tool has no parameters, so the schema coverage is 100% and the baseline is 4. The description adds meaning by explaining the parameter's role and constraints, which is helpful but not essential here.

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 retrieves the 'roll_rate_limit' parameter and explains what it represents: a hard cap on roll rate in deg/s applied after the rates curve. The name among many sibling 'get_' tools is self-explanatory, though no explicit differentiation is provided.

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?

The description offers no guidance on when to use this tool versus alternatives (e.g., set_roll_rate_limit or other getters). It does not specify prerequisites or context for retrieval.

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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