Set panel password

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

Annotations already cover read-only, idempotent, and destructive traits. The description adds valuable behavioral context beyond annotations, especially the no-op behavior on non-panel OS VMs and the delegated password-requirements link. It does not contradict the annotations.

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 compact and front-loaded with the core action. The final sentence is somewhat redundant with the first, but overall every clause earns its place and the edge-case warning is valuable.

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 two-parameter write operation with no output schema, the description covers the essential context: what it does, the no-op edge case, and the password constraints. It could mention return behavior or session impact, but annotations and simplicity keep the gap small.

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 the schema already documents both parameters. The description adds meaningful parameter-level guidance by linking to password requirements from the recreate endpoint, which is not present in the schema. This goes beyond the baseline for full 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 opens with a specific verb-resource pair: 'Set panel password for a specified virtual machine.' It further clarifies the scope by distinguishing panel credentials ('configure control panel access credentials') from other password-related operations like root passwords, which matches the sibling tool set.

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 when the call has effect: if the VM does not use a panel OS, the request is processed without effect. It also states the intended use case. It does not explicitly name alternatives such as VPS_setRootPasswordV1, but the panel-specific framing makes the appropriate context clear.

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