create_file_upload

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

No annotations are provided, so the description carries full burden. It discloses the creation of a presigned URL and token but omits important behavioral details such as URL expiration, prerequisite permissions, side effects, or that this is a setup step before actual file upload.

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 sentence with no waste. It is front-loaded with the core functionality and is appropriately sized for the tool's simplicity.

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 presence of an output schema, return values need not be described. However, the description does not explain how the presigned URL and token fit into the upload workflow (e.g., subsequent use with 'upload_file'). It is adequate for a simple tool but could be more complete.

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 coverage is 100%, and the description adds examples of valid formats (glb, fbx, etc.) beyond the schema's description. However, it does not explain the parameter in depth or mention any other parameters. Baseline 3 is appropriate.

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 explicitly states the tool creates a presigned upload URL and file token for large Tripo file uploads. It uses a specific verb ('Create') and identifies the resource, distinguishing it from siblings like 'upload_file' which implies a different upload method.

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 for large Tripo file uploads but does not provide explicit when-to-use or when-not-to-use guidance, nor does it mention alternative tools like 'upload_file' for smaller files. The context is clear but lacks exclusions.

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