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

Goes well beyond the annotations: it discloses the admin authorization requirement, that the change applies without a confirmation prompt, that it is reversible with a single call, and that point thresholds are unaffected. These are exactly the side-effect boundaries an agent needs before invoking a write tool.

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?

Front-loaded with the core action, then permission, side effects, and reversibility in descending priority. The clause 'as Settings, Gamification does' is a slightly awkward UI reference but costs little.

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 3-parameter mutation with no output schema, the description covers authorization, side-effect scope, reversibility, and how to reset. It does not say what the call returns or how a failed/unauthorized call surfaces, a minor gap.

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 group/level/title are already fully documented, including the empty-string reset. The description restates the empty-title behavior and the 1–9 level range but adds no new syntax or constraint detail, so baseline 3 applies.

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 specific verb and resource ('Give one of the group's 9 levels its own title') and immediately disambiguates it from the read-only sibling list_levels by describing the write effect on member-visible labels. An agent can tell exactly what changes without opening the schema.

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?

'Admins only' plus the pointer to 'Settings, Gamification' gives clear situational context for when to use it, and the empty-title reset case tells the agent how to revert. It lacks an explicit when-not/alternative statement (e.g. use list_levels to inspect current titles), which keeps it below a 5.

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