club_welcome

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

With no annotations, the description carries the full burden. 'Get info' implies a read-only operation, which is a meaningful behavioral disclosure, but it does not state whether authentication is needed, whether data is live/cached, or any other characteristics. This is adequate but not rich.

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?

The description is a single, front-loaded sentence with no filler. Every word contributes information: the action, the resource, the specific contents, and the usage hint 'Start here.'

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 info tool with no output schema, the description tells the agent what to expect (members count, endpoints, invitation) and where this fits (start here). It could mention the response format or authentication, but the low complexity makes this largely complete.

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 tool has zero parameters, and the description correctly suggests no inputs are needed. Per the guidelines, a zero-parameter tool receives a baseline of 4, and the description adds no conflicting or missing parameter information.

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 uses a specific verb 'Get info' and identifies the resource 'AiTop Club', listing concrete details (members count, endpoints, invitation). It clearly communicates what the tool does, though it does not explicitly contrast with sibling tools like club_members or club_search, so it falls short of a 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?

'Start here' provides an explicit cue that this tool is the intended entry point for the club domain, giving clear context for when to use it. It does not mention exclusions or alternatives, but for an entry-point tool this is reasonable.

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