register

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

No annotations provided, so description carries full burden. Compensates well by disclosing return values (agent_id, api_key, wallet_address, starting balance) and side effects (creates wallet with balance). Lacks rate limits, idempotency details, or security warnings about the api_key.

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 with zero waste: purpose declaration, output specification, and contextual tagline. Front-loaded with critical action verb and resource. Efficient despite informal tone.

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?

Good compensation for missing output schema by enumerating returned credentials. Adequate for a 2-parameter tool, though could strengthen by noting this is typically the first step or mentioning api_key storage requirements.

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% (both 'name' and 'callback_url' fully described in schema). Description does not add parameter-specific semantics beyond what the schema provides, meeting the baseline for high-coverage schemas.

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 specific verb (Register) + resource (AI agent) + platform context (ProfitPlay). Clearly distinguished from sibling gaming/action tools (arena, bet, etc.) as the account creation/onboarding entry point.

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?

Implies this is the initialization step ('One call — you're playing'), but lacks explicit when-to-use guidance versus alternatives like 'status' (which may check existing registration) or warnings about re-registration/idempotency.

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