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

Annotations already declare readOnlyHint=true, destructiveHint=false, and openWorldHint=false, so the safety profile is covered. The description adds real value beyond that: it discloses that both approved and draft strategies are returned (a non-obvious state), enumerates the returned sections, and explains the default-compact vs. verbose-full behavior including the size tradeoff.

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 sentences, both earning their place: the first front-loads what is fetched and its contents, the second front-loads the default behavior. Dense and skimmable, though the long enumeration of fields could have been grouped more tightly.

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?

There is no output schema, so the description correctly compensates by enumerating the returned sections (goals, budget, channels, cadence, pillars, calendar, expectations, rationale). Combined with the disclosed approved-or-draft state and the compact/verbose distinction, an agent has enough to call and interpret this tool correctly.

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%, so brandId's provenance ("from list_brands") and the verbose semantics are already documented in the schema. The description's "compact by default; verbose:true returns the full stored record" largely restates the schema rather than adding syntax or format detail. 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?

States a concrete verb ("Fetches") and resource ("a brand's latest strategy") and pins the scope to the newest version, whether approved or draft. It also enumerates the payload contents, so an agent knows exactly what comes back. It stops short of explicitly contrasting itself with generate_strategy or approve_strategy, but the resource and version scoping are specific enough to tell it apart.

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?

Usage is implied rather than stated: "as the owner reads it" and "latest (approved or still draft)" suggest a read of the current effective strategy, and the verbose flag carries its own condition ("pass true only when you need the full stored record"). However, there is no explicit when-to-use vs. alternatives guidance, e.g. whether to prefer get_brand_brief or list_campaigns for adjacent information.

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