variant_set_component_override

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

Annotations include destructiveHint: true, which already signals the tool modifies state. The description adds that it affects population, value, and footprint, but does not disclose whether existing overrides are replaced/merged, whether changes are reversible, or the precise effect of the 'enabled' parameter. It provides some context beyond annotations but lacks depth.

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, well-structured sentence that conveys the tool's purpose efficiently. It is front-loaded with the action verb and contains no fluff or redundant 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?

While the description covers the basic purpose, it is missing important context for a tool with 5 parameters, 0% schema coverage, and only a destructiveHint annotation. It does not explain the meaning of 'enabled', the format of 'variant' and 'reference', or how the override interacts with existing variant data. An output schema exists, but the description still leaves key behavioral details ambiguous.

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%, so the description must compensate. It mentions 'population', 'value', and 'footprint', which correspond to the 'enabled', 'value', and 'footprint' parameters, but it does not explain required parameters like 'variant' or 'reference'. The meaning of 'enabled' (e.g., whether true means populated) is also left ambiguous. It offers minimal semantic help for a 5-parameter tool.

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 tool's function: 'Override component population, value, or footprint in a variant.' It uses a specific verb ('Override') and identifies the exact resource (component attributes within a variant). This distinguishes it from sibling tools like variant_create or variant_set_active, which handle variant creation or activation rather than component-level overrides.

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 usage: it should be used when you need to change component population, value, or footprint in an existing variant. However, it does not explicitly say when NOT to use it or mention alternatives such as variant_create for new variants. There is no comparison with sibling tools, so the guidance is limited.

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