lounge_firsts

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

With no annotations, the description must carry the behavioral burden. It does disclose useful traits: access is labeled 'FREE,' and titles are permanent and non-repeatable ('Once claimed, a title can never be earned again'). It does not explicitly state the operation (e.g., that it returns a list), pagination, or lack of side effects, leaving some operational behavior implicit.

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?

At two short sentences, the description is tightly written and front-loads the most important fact ('FREE'). It avoids extraneous detail, though 'and more' is slightly vague.

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 zero-parameter, no-output-schema listing tool, the description gives enough information to identify the tool, its content scope, and a key domain rule. It lacks only a formal return-shape statement, which is low risk for such a simple tool. Overall, the description is complete given the low complexity.

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?

The input schema is empty, so there are no parameters to document; the description is not required to add parameter semantics. The provided content details are extra and do not conflict with schema. Baseline 4 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?

The description centers on a distinct resource ('the hall of firsts') and enumerates its scope (one-time titles like first solves, first duel crack, first plaque), making it easy to differentiate from sibling tools such as lounge_read_plaques or lounge_leaderboard. However, it lacks an explicit action verb such as 'lists' or 'displays,' so it stops short of a perfect 5.

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 explicit statement of when to call this tool or when to prefer a sibling. The intended use case is implied by the content description: it is the place for unique, unclaimable historical titles. It does not mention alternatives or exclusions, so guidance relies on inference from the domain.

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