apply_sculpt_mask

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

With no annotations, the description must disclose behavioral traits, but it only restates the basic action. It does not mention whether an existing vertex group is overwritten, whether the object must be in sculpt mode, or any side effects. The term 'sculpt mask' is assumed without clarification.

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, front-loaded sentence with no wasted words. It is concise and easy to read, though its brevity contributes to under-specification.

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?

The tool is simple, but the description omits critical context such as the need for an existing sculpt mask, the default vertex group name, and the overwrite behavior. Even with an output schema, the description does not sufficiently prepare the agent for successful invocation.

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?

Schema description coverage is 0% for both parameters, yet the description provides no additional meaning for 'object' or 'vertex_group'. It fails to indicate that 'object' is the target mesh and 'vertex_group' is the name of the resulting group, leaving the user to guess from the default value.

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 uses a specific verb ('Convert') and clearly states the resource ('sculpt mask') and the outcome ('to a vertex group'). This distinguishes it from sibling tools like create_vertex_group and assign_vertex_weights, making the purpose unambiguous.

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?

No guidance is given about when to use this tool versus alternatives. There is no mention of prerequisites (e.g., needing an active sculpt mask) or exclusions, leaving the user to infer usage from the name alone.

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