pve_download_url_to_storage

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

With no annotations provided, the description carries the full burden of behavioral disclosure but offers minimal information. It states the action ('download') but doesn't cover critical aspects like required permissions, network behavior (e.g., timeouts, retries), storage implications (e.g., overwriting files), or response format. This leaves significant gaps for a tool that performs external network operations and storage writes.

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 extremely concise with a single sentence 'Download file from URL to storage' that directly states the tool's purpose without any wasted words. It's front-loaded and efficiently communicates the core functionality, though this brevity comes at the cost of completeness in other dimensions.

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 7 parameters (5 required), no annotations, and no output schema, the description is inadequate. It doesn't explain the tool's behavior, error conditions, success indicators, or how it integrates with the broader Proxmox VE system. The agent would struggle to use this tool effectively without additional context about what constitutes successful execution or what happens during failures.

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?

The schema description coverage is 100%, providing clear documentation for all 7 parameters including enums for 'content' and 'checksum-algorithm'. The description adds no additional parameter semantics beyond what the schema already specifies, such as explaining relationships between parameters (e.g., how 'checksum' and 'checksum-algorithm' work together) or usage examples. This meets the baseline for high schema coverage.

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 'Download file from URL to storage' clearly states the action (download) and target (file from URL to storage), providing a specific verb+resource combination. It distinguishes from siblings like 'pve_upload_to_storage' by indicating directionality, though it doesn't explicitly differentiate from other download-related tools that might exist.

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 alternatives. It doesn't mention prerequisites (e.g., network access, storage availability), exclusions, or compare it to sibling tools like 'pve_upload_to_storage' or other storage operations, leaving the agent to infer usage context solely from the tool name and parameters.

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