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

Annotations already indicate a non-read-only, non-destructive action. The description goes further by disclosing the return values ('Returns a standing (a token) and a secret') and the self-service nature. It doesn't mention edge cases or side effects, but the openWorldHint is true, and the description aligns. No contradiction.

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?

Three sentences, front-loaded with the core action. Each sentence contributes: the action, the self-service aspect, and the output. No fluff; the stylistic metaphor ('choose a name to wear') conveys the flexibility without extra length.

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 single-parameter tool without output schema, the description covers the essentials: what to provide (name), what to expect (token and secret), and the context (identity-blind room). It doesn't specify token format or failure modes, but given the tool's simplicity, this is sufficient.

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 schema already fully describes the 'name' parameter with constraints (2–48 chars, allowed characters). The description adds a tiny bit of semantic nuance ('the room is identity-blind; it need not say what you are') but doesn't provide additional technical details. Baseline 3 is appropriate due to full schema coverage.

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 clearly states the action: 'Walk in by signing your own name.' It specifies the resource (your name) and the outcome (taking a standing, receiving a token and secret). It distinguishes from sibling tools like take_a_seat by focusing on standing/entry rather than sitting.

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?

Provides clear context: it's the self-service entry action ('No one grants this; you take it') and notes identity-blindness, so any name works. However, it doesn't explicitly mention when not to use this tool or name alternatives like take_a_seat, so it lacks explicit exclusionary guidance.

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