protect_get_siren

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

Annotations already indicate safe read operation (readOnlyHint=true, destructiveHint=false). Description adds that it returns specific fields, notes API version returns a thin object, and warns that additional device-specific fields are unverified. No contradiction with 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?

Concise single sentence plus a caveat. No redundant words. The warning about unverified fields adds important context without bloating.

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?

Given an output schema exists, description need not detail return values. It lists the universal identity fields and provides a crucial caveat about unverified fields. This is complete for a get-by-id tool.

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% with parameter 'id' described as 'Siren ID'. The description does not add new semantic information beyond the schema; it restates the need for an ID. Baseline 3 is appropriate.

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?

Description clearly states 'Get full details for a specific siren by ID' with specific verb-resource pair. It distinguishes from sibling 'protect_get_*' tools for other devices and from 'protect_list_sirens' which aggregates.

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?

Implies that an ID is needed and this is for a single siren, but does not explicitly state when to use this tool vs alternatives like listing first or other get tools. No exclusion criteria or prerequisites mentioned.

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