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awheeler262
by awheeler262

Get Layer Tree

get_layer_tree
Read-only

Retrieve the full layer tree structure from QGIS, including groups and layers with type, name, visibility, and children.

Instructions

Get the full layer tree structure with groups and layers. Returns recursive tree with type, name, visibility, and children.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

Annotations already declare readOnlyHint=true, so description correctly adds that it returns a recursive tree structure. No contradictions; provides useful behavioral context beyond annotations.

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?

Two concise sentences, first states purpose, second adds details. No fluff, front-loaded, every sentence earns its place.

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

Completeness5/5

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

Given zero parameters, existing annotations, and an output schema, the description fully covers the tool's behavior and output. No gaps.

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?

No parameters in input schema, so description carries no burden for parameter semantics. Baseline of 4 applies; description adds value by explaining return structure.

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?

Description clearly states verb 'Get', resource 'full layer tree structure with groups and layers', and specifies return attributes (type, name, visibility, children). Distinguishes from siblings like get_layers which likely returns a flat list.

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?

Implies usage for obtaining hierarchical layer structure, but does not explicitly mention when to use this over siblings like get_layers or get_active_layer. No exclusions or alternatives provided.

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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