creo_add_project_component_align_insert_three

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

The description goes well beyond the annotations by disclosing that each instance uses a verified planar ALIGN constraint plus cylindrical INSERT constraint with yellow datum sides, that an API readback check occurs, and that the assembly is regenerated, saved, and cleaned to its newest version. It also notes the refusal behavior when an instance already exists. This provides rich behavioral transparency consistent with the destructiveHint annotation.

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 dense yet efficiently structured: the main operation is front-loaded, followed by constraint/verification details and a final refusal condition. Every sentence contributes meaningful information, and there is no filler or redundancy with the input schema.

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?

For a tool with ten required parameters, no output schema, and no parameter descriptions, the description is not complete enough for an agent to invoke correctly without additional knowledge. It explains the high-level process well, but it omits critical details such as how target_x_positions map to positions, what the surface IDs refer to, and what success or failure return values look like.

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 for ten undocumented parameters. It explains the general roles of align and insert surface IDs and target insert surfaces, but it does not explain target_x_positions, component_model_file, expected_assembly, or the numeric ID semantics in enough detail for an agent to call the tool confidently. The description provides high-level behavior but leaves parameter-level meaning largely to inference.

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 and resource: 'Load one project part and add exactly three instances to cylindrical surfaces of a host component.' It precisely defines the operation, including the exact number of instances and the constraint types, which clearly distinguishes it from sibling tools like the fixed or mate/align component adders. The wording is unambiguous and informative.

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 conveys when the tool is applicable by mentioning the current expected assembly and the exact three-instance align/insert workflow, but it does not explicitly state when to prefer it over alternatives such as creo_add_project_component_fixed, creo_add_project_component_mate_align, or creo_repeat_project_component_insert_pair. The precondition that the tool refuses to run if an instance already exists is useful context, yet exclusion guidance is absent.

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