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mixx_controller

Detect connected DJ controllers, install or list Mixxx mappings, check status, and download community mappings to configure your hardware.

Instructions

DJ controller auto-detection and mapping management.

SUPPORTED OPERATIONS:

  • detect: Scan USB for connected DJ controllers

  • install: Install a Mixxx mapping for a detected controller

  • list: List all installed Mixxx controller mappings

  • status: Show current controller configuration

  • download: Download community mappings from GitHub

Returns: Dict with operation result

Examples: mixx_controller("detect") mixx_controller("list") mixx_controller("install", mapping_name="Pioneer-DDJ-400")

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pidNo
vidNo
operationYes
mapping_nameNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.2.0

TDQS

B3.3/5.0
Behavior2/5

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

No annotations exist, so the description carries the full burden. It hints at network access ('Download community mappings from GitHub') but says nothing about permissions, whether 'install' overwrites existing mappings, or side effects of download/install. For a tool with mutating operations, this is a significant gap.

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?

Front-loaded purpose followed by a structured operations list and examples; most sentences earn their place. Slightly verbose in the Returns/Examples block but well organized.

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?

An output schema exists so return values need not be explained, and the examples aid invocation. But with zero annotations and 0% parameter coverage, the definition leaves 'pid'/'vid' and mutation-side-effect behavior unaddressed, so it is only adequate for a mutation-capable tool.

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

Parameters2/5

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

Schema description coverage is 0%, so the description must compensate, yet it never explains what 'pid' and 'vid' mean or how they relate to detect/install. The example only implicitly shows 'mapping_name', leaving half the parameters undocumented in both schema and prose.

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?

States a specific verb+resource ('DJ controller auto-detection and mapping management') and enumerates all five operations with one-line definitions. An agent can immediately tell this is the controller-management tool, distinct from deck/mixer/effects siblings.

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 per-operation blurbs imply when each mode applies (detect before install, download for community mappings), giving contextual guidance. However, there is no explicit when-to-use-this-vs-alternatives guidance against the many mixx_* siblings, and no exclusions.

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