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

Annotations already declare the safety profile (not read-only, idempotent, non-destructive, not open world), so the description only needs to add context. It contributes the notion that project metadata is privacy-filtered, but says nothing about what fields are mutated, what a version conflict implies, or the effect of the idempotency key beyond what annotations and schema already 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?

A single front-loaded sentence with no padding, but the trailing 'using privacy-filtered project metadata' clause is vague and does not earn its place by increasing clarity.

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 7-parameter mutation tool the description is thin, but annotations cover safety/idempotency and the schema covers parameters at 86%, and there is no output schema to explain. It is minimally adequate rather than 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 high (86%), so the schema already documents most parameters including expectedVersion, idempotencyKey, and queueItemId. The description adds no parameter-level meaning beyond that baseline.

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 verb ('update') and a resource ('hosted update queue item'), but the resource name is jargon and the qualifier 'using privacy-filtered project metadata' does not clarify what is actually being changed. It gives no differentiation from siblings such as cancel_queue_item, list_queue_items, or queue_instruction_tasks.

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 when-to-use guidance, no prerequisites, and no mention of any alternative among the many queue-related siblings. An agent must infer from the name alone whether this is the right tool.

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