Remove backgrounds from images with AI. Upload a URL or local file to get a transparent background.
Background removal
| Name | Required | Description | Default |
|---|---|---|---|
| image | No | Image URL (required if local_file_path is not provided) | |
| action | Yes | Action type, fixed as "auto" | |
| presigned_url | No | Presigned URL | |
| local_file_path | No | Local file path (required if image is not provided) |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations provided and description fails to disclose any behavioral traits (e.g., image format support, quality, side effects).
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?
Extremely concise but under-specified; lacks structure and important details.
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?
No output schema and description provides insufficient context for a tool with 4 parameters.
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%, so description adds no additional meaning. Baseline score of 3 applies.
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?
Description 'Background removal' is a near-tautology of the tool name. It provides no additional specificity about the tool's scope or functionality.
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 on when to use this tool vs alternatives, no exclusions or prerequisites mentioned.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
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