Insta360 Studio status

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

Annotations already declare readOnly, idempotent, non-destructive and closed-world, so the safety profile is covered. The description still adds real behavioral value by promising no side effect on Studio's lifecycle ("Does not start Studio") and by naming the four state categories returned, which the annotations do not convey.

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, the positive capability stated first and the exclusion second, with no filler. Every clause carries information an agent can act on.

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 zero-arg, fully annotated read tool with no output schema, the description is nearly sufficient: it lists what state is inspected and rules out a side effect. It is slightly thin on return semantics — terms like "backend" and "token readiness" are not unpacked, and it doesn't say whether a missing Studio install yields an error or a status flag.

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 tool takes zero parameters and the schema is fully described, so there is nothing for the description to disambiguate. Baseline of 4 applies; the description correctly does not waste words on arguments.

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?

Specific verb ("Read") plus an enumerated set of resources: installation/backend state, Studio windows, selection, and token readiness. The negative clause "Does not start Studio" separates it from studio_launch, but the boundary against studio_list_windows and studio_verification_status is left implicit even though those siblings overlap with the reported content.

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 only explicit guidance is the exclusion "Does not start Studio", which usefully routes launch intent elsewhere. There is no positive statement of when to call this (e.g. before acting, to preflight readiness) and no mention of studio_capabilities or studio_verification_status as alternatives for narrower queries.

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