pikvm_msd

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

No annotations are provided, so the description carries the full behavioral disclosure burden. It usefully states that remove needs confirm_phrase equal to the path, which signals a destructive action and a safety requirement. However, it does not describe permissions, side effects of connect/disconnect, the role of confirm, or other operational constraints.

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 front-loaded with the resource and purpose, then compactly lists actions and parameter notes. Every sentence contributes relevant information. The dense action list could be slightly more structured, but it remains efficient.

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?

An output schema exists, so return values need not be described. However, with 8 parameters, no annotations, and 0% schema description coverage, the description leaves server and confirm unexplained and omits behavioral details for connect, disconnect, and remove. It is adequate for basic invocation but not fully 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 description coverage is 0%, so the description must supply meaning for the 8 parameters. It explains the action values and gives semantics for image, cdrom, read_write, url, and confirm_phrase, including conditional usage. It leaves server and confirm unexplained, preventing a 5.

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 names a specific resource, the virtual USB drive (mass storage), and states that it shows an ISO or disk image to the target. It also enumerates the supported actions, so the tool's overall purpose is clear. It does not distinguish this tool from any sibling tool, which keeps it from a 5.

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 gives clear context for each action: status lists images, select picks an image, download fetches an image from a URL, and remove deletes an image. It also specifies key parameter usage for select, download, and remove. It does not provide explicit exclusions or alternatives, but the action-level guidance is sufficient for choosing the right operation.

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