wordpress_regenerate_thumbnails

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It states the action but doesn't describe traits like whether this is a destructive operation (e.g., overwriting existing thumbnails), performance impact (e.g., time-consuming for large sites), or required permissions. This leaves significant gaps for an agent to understand the tool's behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, efficient sentence that directly states the tool's purpose without unnecessary words. It is front-loaded and appropriately sized, making it easy to parse quickly.

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

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

Given the tool's complexity (a mutation operation on images) and lack of annotations or output schema, the description is insufficient. It doesn't cover behavioral aspects like side effects, performance, or return values, leaving the agent with incomplete context for safe and effective use.

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

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

The input schema has 0 parameters with 100% coverage, so no parameter documentation is needed. The description adds no parameter information, which is acceptable given the schema's completeness. A baseline of 4 is appropriate as the description doesn't need to compensate for any gaps.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb ('Regenerate') and resource ('image thumbnails') with scope ('for all or specific images'), making the purpose specific and actionable. It doesn't explicitly differentiate from sibling tools like 'wordpress_bulk_optimize_images' or 'wordpress_convert_to_webp', which are related but distinct image operations, so it misses full sibling differentiation.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

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_bulk_optimize_images' or 'wordpress_convert_to_webp', nor does it mention prerequisites like needing specific permissions or when regeneration is necessary (e.g., after theme changes). It lacks explicit context or exclusions for usage.

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