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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false, so "Read only; no spend" only restates structured data ("no spend" being a mild implication of readOnly). Nothing is said about scope of results, pagination, or what the snippet records contain, and the "Fields: soclo://tools/..." reference is an unresolved pointer rather than usable info.

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?

It is short, but the brevity comes from under-specification rather than efficiency, and the trailing "Fields: soclo://tools/soclo_ads_list_account_structured_snippets" sentence is a dangling reference that consumes space without conveying meaning.

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 6-parameter, nested-object tool with no output schema, the description omits result shape, account scoping, and how the confirm/requestId pair behaves on a read-only operation. An agent could call it, but only by guessing at semantics the description should supply.

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 only 50% across 6 parameters, including a nested "parameters" object and a "confirm" flag whose purpose is easy to misread on a read-only tool. The description says nothing about accountId, platform, confirm, or requestId, so it fails to compensate for the coverage gap.

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?

"List account snippets" gives a specific verb and resource, and the tool name disambiguates that these are structured snippets (ad extensions) rather than the sibling callouts or sitelinks readers. It stops short of explicitly distinguishing itself from soclo_ads_list_account_callouts / _sitelinks or from the add/update/remove snippet siblings.

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 call this versus the sibling list/update/remove snippet tools, and no stated prerequisites such as needing a connected Ads account. The agent must infer usage purely from the name.

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