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

Annotations already signal mutation (readOnly=false) and non-idempotence, and the description adds valuable specifics: it verifies a wallet signature, requires a zero-NFH balance, opens a fixed 24-hour reservation, and stores only hashes. This clarifies side effects and privacy traits beyond the annotations.

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, information-dense sentence that front-loads verification, then the operative action, then the key storage limitation. Every phrase earns its place with no repetition.

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?

Given the rich annotations, complete schema, and an output schema, this description provides the extra behavioral and lifecycle context an agent needs: prerequisite verification, reservation duration, and the hashes-only storage guarantee. Nothing essential appears missing.

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 gives 100% coverage for both parameters, including the payload source and signature pattern. The description adds the 'zero-NFH balance' precondition and reservation semantics, but it does not substantially improve parameter-level understanding beyond schema.

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 specifies the exact action: verify the wallet signature and zero-NFH balance, then open a 24-hour unminted reservation. It clearly distinguishes activation from preparatory tools like prepare_agent_entry and consuming actions like claim_as_agent.

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?

The description implies the tool is used after a prepared, signed agent entry exists and before actual claiming/minting, especially with the zero-NFH precondition. It does not explicitly name sibling alternatives, but the sequence and conditions are clear enough from the text.

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