Get vacation responder

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It does not say what happens when no vacation responder is configured, whether any scope/permission is required, or what the response contains. For a settings-retrieval tool with zero annotation coverage this is a real gap.

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?

One compact sentence with no filler, front-loading the verb and resource. It is appropriately sized, though it is so short that it omits any routing or return-value information.

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?

With no output schema and no annotations, the description is the only place an agent could learn what the call returns, yet it never describes the settings fields (message, enable/disable state, date range). Adequate for selecting the tool, incomplete for interpreting the result.

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% with a single 'account' parameter documented in the schema, so the baseline of 3 applies. The description adds nothing about the account parameter or multi-account behavior.

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 gives a specific verb ('Get') and resource ('Gmail vacation (out-of-office) responder settings'), and the parenthetical clarifies the ambiguous term 'vacation responder'. It does not explicitly name the read/write counterpart google_gmail_vacation_update, but the intent is unambiguous from the name alone.

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 statement of when to use this tool versus google_gmail_vacation_update or any other sibling. The read-only nature is implied by 'Get' but no context, prerequisites, or alternatives are given.

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