mod_pathdeform

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

Annotations already disclose that this is a mutating/destructive operation, so the description only needs to add context beyond that. It does explain that a PathDeform modifier is applied and that percent/twist/rotation affect the deformation, but it does not describe side effects on the modifier stack or failure behavior when no path is available.

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 short and front-loads the core purpose before detailing parameters. The bilingual duplication is mild redundancy, but the overall length is compact and every sentence contributes useful information.

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 description omits where the 'path' comes from—there is no path parameter in the input schema, so an agent cannot tell whether to select a path object, rely on current selection, or use some other mechanism. Since there is no output schema, the description also does not clarify what result or confirmation an agent should expect, leaving a central gap for correct 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 100%, so the schema already documents all six parameters. The description adds only a rephrasing of percent and twist/rotation; it does not provide additional meaning for axis, name, or objects beyond what the schema already states.

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 states a specific verb ('deform'), a specific resource ('an object'), and the mechanism ('along a path'), and it names the exact modifier ('PathDeform modifier'). This makes it clearly distinguishable from sibling modifier tools like mod_bend, mod_twist, and mod_sweep.

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 implies the use case—deforming an object along a path—but it does not explicitly state when to choose this tool over alternatives or mention prerequisites/exclusions. There is no guidance about whether a path object must be selected or how it is supplied, so usage context is only implied.

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