getCarts

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

No annotations are provided, and the description does not disclose any behavioral traits such as read-only nature, authentication requirements, side effects, or rate limits. The agent has no insight into what happens during invocation.

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 sentence, but it is not well-structured. It does not front-load a clear action verb or resource. The lack of informative content makes brevity a drawback rather than a virtue.

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 there are no parameters or output schema, the description should define the tool's purpose fully. It fails to explain what 'implementation details' means or what the returned data looks like, leaving the agent with an incomplete understanding.

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 input schema has zero parameters with 100% schema description coverage, so the baseline is 4 per guidelines. However, the description adds no value beyond the schema; it could have clarified that no parameters are needed. A score of 3 reflects adequate but minimal semantic support.

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 'Provides implementation details for cart-01-block blocks' is vague and does not clearly state that the tool retrieves cart data. The verb 'provides' is ambiguous, and the term 'cart-01-block' is not explained. Among siblings like 'getProducts', it's unclear how this tool differs.

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?

No guidance is given on when to use this tool versus alternatives like 'getProducts' or 'getUIBlocks'. The description lacks context about prerequisites or typical scenarios, leaving the agent without decision criteria.

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