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KiCad MCP Server

KiCad MCP Server

by brovk2008
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

get_tracks_by_netclass

List all tracks belonging to any net within a specified net class in a PCB layout.

Instructions

List tracks belonging to all nets in a net class.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "netclass": "<netclass>"
    },
    "name": "get_tracks_by_netclass"
  }
}

Input Schema

NameRequiredDescriptionDefault
netclassYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.5/5.0
Behavior3/5

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

No annotations are provided, so the description must compensate. It states the action (list tracks) but does not disclose any side effects (none expected), read-only nature, or potential performance implications. For a simple listing tool, the description is adequate but not rich.

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 a single sentence, front-loaded, and contains no unnecessary words. It is as concise as possible while conveying the core purpose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has one parameter and no output schema, the description should explain the parameter and the return format. It does neither. The agent knows what it does but not how to use the parameter or what the output looks like, leaving significant gaps for a simple 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?

The schema has 0% description coverage, and the description does not explain the netclass parameter. The agent is left to infer what values are valid (e.g., net class name). The description adds no meaning beyond the parameter name.

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 tool lists tracks belonging to all nets in a net class, which distinguishes it from siblings like get_tracks_by_net (single net) and list_tracks (all tracks). The verb 'list' and resource 'tracks' are specific.

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 description implies usage when you need tracks for all nets in a net class, but does not explicitly state when to use this tool versus alternatives (e.g., get_tracks_by_net for a single net). No guidance on prerequisites or exclusions.

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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