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servomotor-mcp

enable_mosfets

Activate MOSFETs to power connected servomotors, enabling basic motor control. Specify motor by alias, unique ID, or broadcast to all.

Instructions

Enables the MOSFETS. [Firmware command "Enable MOSFETs", group: Basic Control.] Returns: success confirmation. motor: an alias number (e.g. 88), a 16-hex-digit unique ID (e.g. "0123456789ABCDEF"), or "all" to broadcast to every motor on the bus (broadcasts get no responses back).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
motorYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv0.3.1

TDQS

A4.1/5.0
Behavior3/5

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

With no annotations, the description carries the full behavioral disclosure burden. It states that the command is an enabling action, returns a success confirmation, and that broadcasts return no response, which are useful behavioral details. It does not disclose side effects, reversibility, or any state dependencies, leaving room for surprise in more complex flows.

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 compact and front-loaded, starting with the verb and resource, then giving the firmware reference, return type, and all parameter semantics in three purposeful sentences. There is no padding or redundant repetition of schema 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 it is a one-parameter tool with no output schema and no annotations, the description covers the purpose, parameter forms, response, and a behavioral quirk. The only missing piece is a hint about when a user would want to enable MOSFETs relative to other actions, but this is a minor gap for such a basic command.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema provides only 'type: string', nothing else. The description fully compensates by specifying the three valid forms (alias number, 16-hex-digit unique ID, and 'all'), including a concrete example of each, and calls out the behavioral distinction for broadcasts. This is exactly the added meaning an agent needs to invoke the tool correctly.

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?

Explicitly states the verb 'Enables' and the resource 'MOSFETS', with direct reference to the firmware command. The sibling 'disable_mosfets' makes it clearly distinct from its opposite, and the Basic Control group confirms it is a fundamental operation.

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?

No explicit when-to-use or when-not-to-use guidance is given. The 'Basic Control' group implies a core power-stage enabling step, and the agent must infer the context from the tool name and sibling list. There is no discussion of alternatives or prerequisites such as whether a connection is required first.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.