perform_step

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

With no annotations provided, the description carries the full burden of disclosing side effects. It lists action types like 'click' and 'navigate' that imply browser state changes, but does not describe consequences such as page navigation, waiting behavior, or whether the operation is destructive. The safety profile is unclear.

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 of about 13 words, front-loaded with the key information ('One structured step:') and a concise list of operations. Every word earns its place, with no redundancy.

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?

The tool has a complex nested object parameter, no output schema, and no annotations, yet the description is extremely sparse. It names the allowed action types but omits details about input format, return value, or practical usage, leaving the agent under-informed for a general-purpose execution tool.

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 a single object parameter 'step_spec' with no property descriptions (0% coverage). The description only hints that the spec can contain one of the listed step types, but does not explain the required structure or any nested fields, providing minimal compensation for the schema gap.

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 verb (perform) and resource (a structured step), and enumerates the specific allowed operations (click, type, wait, press_key, navigate), which distinguishes it from sibling tools like record_test_flow or get_process_insights. However, the reference to 'PerformStepSpec' is not expanded, leaving some ambiguity about the exact step format.

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 gives no explicit guidance on when to use this tool versus alternatives such as navigate_to_url or record_test_flow. The mention of 'One structured step' implies a low-level execution tool, but there is no clarification about prerequisites, intended scenarios, or exclusions.

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