bootstrap

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

With no annotations provided, the description carries the full burden and excels: it details the four-state behavior matrix (bound/unbound × provided/generated), declares idempotency, warns of 409 conflicts, and discloses the local side effect ('automatically saved locally').

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?

Well-structured with front-loaded purpose, followed by usage context, constraint warning, bulleted behavior specifications, and examples. Slightly verbose but information-dense; every sentence serves a specific function for agent decision-making.

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?

Despite lacking an output schema, the description provides explicit JSON return examples showing the structure ({client_id, created}), covers error conditions (409 conflict), and explains the immutable binding constraint—sufficient for a stateful initialization tool with complex idempotency rules.

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%, so the baseline is 3. The description adds concrete usage examples that clarify the parameter's role, but the schema already fully documents the optional string parameter and its 'ca_' prefix generation behavior.

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 opens with the specific action ('Bind a client_id to the current API Key') and clearly distinguishes this identity-establishment tool from payment-oriented siblings like 'clawallex_pay' or 'create_card_order' in the function list.

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?

Explicitly states this is the 'recommended way to establish agent identity before making payment calls,' providing clear temporal context. However, it doesn't explicitly contrast with the 'whoami' sibling tool or state when NOT to use it (beyond the implicit 409 conflict case).

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