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manage_labels

Add or remove labels on KiCad schematics by specifying action, label text, position, rotation, or UUID. Returns label data or error.

Instructions

Manage labels (add, remove).

Args: action: Operation ("add", "remove") text: Label text (required for "add") position: Position (required for "add") rotation: Rotation in degrees (optional) label_uuid: Label UUID (required for "remove") ctx: MCP context (optional)

Returns: Dictionary with label data or error

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
textNo
actionYes
positionNo
rotationNo
label_uuidNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.3.0

TDQS

B3.1/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full burden yet only names the operations. For the destructive 'remove' action it doesn't say whether removal is reversible, whether prior state is returned, or what permissions are needed. It does at least disclose a return shape ('Dictionary with label data or error'), which is modest added context.

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 Args/Returns structure is front-loaded and scannable, with the purpose stated first. It is efficiently sized, though the ctx parameter line is marginal and little is trimmed elsewhere.

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?

With an output schema present and a returns note, plus full per-parameter documentation, the calling mechanics are adequately covered. The gap is behavioral: no indication of mutation side effects, reversibility, or how this differs from the sibling label-management tools.

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?

Schema description coverage is 0%, so the description must compensate, and it does: it maps each parameter (action, text, position, rotation, label_uuid, ctx) and states which are required per action ('required for add'/'required for remove'). The only gap is the absent enum constraint on 'action' and no format detail on position/rotation beyond type.

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 states a clear verb+resource with the two operations enumerated: 'Manage labels (add, remove).' An agent can tell it manages label lifecycle. However, it does not distinguish itself from the many label siblings (add_label, manage_global_labels, manage_hierarchical_labels), leaving the '(add, remove)' scope ambiguous versus plain add_label.

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?

There is no when-to-use or when-not-to-use guidance, and no routing to alternatives such as add_label or manage_global_labels. The only conditional detail is which params are required per action, which is parameter help rather than usage guidance.

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