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

Annotations already declare destructiveHint=true, openWorldHint=true, idempotentHint=false and readOnlyHint=false, so the safety profile is known. The description only reiterates the confirmation gate that the schema already documents, and says nothing about what the creation actually provisions (e.g., whether it is billable, sends an invite, or is reversible). It adds marginal context over structured fields, which fits a 3 with annotations present.

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?

Two short sentences, both front-loaded and free of filler. Nothing is redundant or buried.

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 destructive, open-world creation tool, the description omits what a VA profile is, what the creation entails operationally, and any prerequisite state, even though annotations and output schema cover safety and returns. An agent could invoke it correctly mechanically but not confidently about consequences.

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 100%, so both body and confirmed are already documented. The description restates confirmed=true but adds no semantics for the body payload beyond the schema's 'WAPI AddRequest body: Name.' Baseline 3 applies when the schema does the work.

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?

States a specific verb and resource: 'Adds a Virtual Assistant / VA profile.' An agent can distinguish it from hgr_update_virtual_assistant and hgr_get_virtual_assistants by the verb alone. It doesn't explicitly name those siblings, so it falls short of 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?

There is no guidance on when to use this versus hgr_update_virtual_assistant or when a VA should be created at all. 'Requires confirmed=true' is a parameter precondition, not usage guidance, so the agent is left to infer the selection context.

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