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RosenAdvertising

smokeball-mcp

create_file_preview_request

Generate a thumbnail or rendition preview for a specified file by providing its file ID.

Instructions

Request generation of a preview (thumbnail/rendition) for a file.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
file_idYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations provided. Description does not disclose whether the request is asynchronous, the expected response, or any side effects (e.g., cost, rate limits). For a mutation tool creating a request, more detail is needed.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is very short (1 sentence) and avoids fluff, but it could be slightly expanded without losing conciseness to improve clarity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (write operation, 1 param, output schema exists), the description fails to provide adequate context about the request process, asynchronous behavior, or how the preview generation works.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The single parameter 'file_id' has no schema description (0% coverage), and the description adds no further meaning. It doesn't specify the format, source, or constraints of the file ID.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'request generation' and the resource 'preview (thumbnail/rendition) for a file'. It distinguishes from sibling tools like get_file_preview_info (which likely retrieves existing previews) and get_file_download_url.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this tool versus alternatives such as get_file_preview_info or get_file_preview_info_by_version. No mention of prerequisites or when not to use.

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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