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wordpress_get_theme_json

wordpress_get_theme_json

Retrieve the theme.json configuration for block themes to view and manage Full Site Editing settings in WordPress.

Instructions

Get theme.json configuration for block themes (FSE)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations are provided, so the description must carry the full burden. It implies a read operation but fails to disclose safety, permissions, error behavior (e.g., what happens if theme is not a block theme), or side effects. This is insufficient for a zero-parameter read tool.

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, clear sentence with no superfluous words. It front-loads the action and resource, making it easy for an agent to quickly understand the tool's core function.

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?

For a simple zero-parameter tool, the description provides the minimal necessary information. However, it omits details about return format, error scenarios, or prerequisites (e.g., theme must be a block theme). Given the lack of an output schema, more context would improve completeness.

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?

The input schema has zero parameters, so the description naturally covers all parameters. It adds value by specifying the purpose and context of the tool. With perfect schema coverage, the baseline is 4, and the description meets it.

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 clearly specifies the action 'Get' and the resource 'theme.json configuration', with context 'for block themes (FSE)'. It distinguishes from siblings like wordpress_get_global_styles or wordpress_get_theme_mods by targeting a specific file. However, it does not detail what the configuration contains, leaving some ambiguity.

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?

The description provides no guidance on when to use this tool versus alternatives such as wordpress_get_global_styles or wordpress_get_theme_mods. Without any when-to-use or when-not-to-use context, agents cannot differentiate effectively.

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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