Enable Price Alert

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

Annotations indicate idempotentHint=true, but the description does not mention that enabling an already enabled alert is safe. It adds the return shape but lacks error behavior details (e.g., missing alert_id). The description does not contradict 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 two sentences: first states purpose and return, second provides a useful hint. Every sentence is valuable; no filler.

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 simple idempotent tool with one parameter and an output schema, the description covers the key aspects: purpose, return, and parameter source. Could optionally mention idempotency but is largely complete.

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% with basic description ('Alert indicator id'). The description adds value by instructing to use alert_list to find the numeric alert_id, which helps the agent understand how to obtain the parameter value.

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 ('Enable') and resource ('price alert') with the identifier, and contrasts with sibling tools like alert_disable and alert_list. It also specifies the return value shape.

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 advises using alert_list to find the alert_id, providing partial guidance on prerequisites, but it does not explicitly state when to use this tool versus alert_disable or other alternatives, nor does it mention conditions like idempotency.

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