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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, covering the safety profile. The description adds useful scope by disclosing what it returns (counters plus required trainer count), but says nothing about result format, ordering, or limits. It does not contradict the 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?

A single front-loaded sentence packing purpose, scope, and return contents with no filler. Every clause earns its place.

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 only one well-documented parameter and no output schema, the description usefully enumerates the return contents (attackers, defenders, healers, trainer count), which compensates for the missing output schema. Only minor gaps remain, such as ordering or format of results.

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 the 'boss' parameter documented and example keys given, so the schema carries the load. The description only reinforces that the boss is a Dynamax/Gigantamax Max Battle boss, adding marginal meaning beyond the schema's 'Max boss key or name'.

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 clear purpose: 'Best attackers, defenders and healers for one Dynamax or Gigantamax Max Battle boss, and how many trainers it needs.' The Max Battle scoping implicitly separates it from raid_counters, but it never names the sibling, so differentiation relies on the agent inferring boss-type from wording.

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 by 'for one ... Max Battle boss' and the singular-boss scope, but there is no explicit guidance on when to use this versus raid_counters or the other siblings, nor any prerequisites mentioned.

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