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

No annotations are provided, and the description adds zero behavioral context. It does not disclose whether the operation is synchronous, what happens if the printer is offline, required permissions, or what the return value indicates (no output schema exists).

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 efficient sentence with no redundancy. However, given the high parameter complexity and lack of schema documentation, this brevity represents under-specification rather than appropriate conciseness.

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 5 undocumented required parameters, no annotations, and no output schema, the description is severely incomplete. It establishes the core action but leaves the agent without sufficient information to correctly populate parameters or handle responses.

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?

With 0% schema description coverage across 5 required parameters, the description completely fails to compensate. Critical semantic gaps remain unresolved: the distinction between device_name and control_sn, valid media_format values, and whether url requires a specific protocol.

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 sends a document to a specific printer, distinguishing it from sibling tools that query printer details (query_printer_detail) or update settings (update_printer_*). However, it uses 'Send' rather than 'Print', which slightly weakens the specific action intent.

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 provides no guidance on when to use this tool versus upload_file (a sibling tool) or whether the document must be pre-uploaded. There are no prerequisites, exclusions, or workflow context provided.

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