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browser_switch_to_default_content

Switches the browser focus from an iframe or frame back to the main document, enabling continued interaction with the page's default content.

Instructions

Switches to the default content

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations are present, so the description must fully disclose behavioral traits. It does not explain what happens if already on default content (likely a no-op), nor does it mention that it resets the current browsing context for subsequent commands. This lack of detail limits transparency.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, concise sentence. It is appropriately short for a simple action, but it could be more informative without added length (e.g., adding 'main page' for clarity).

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given that the tool is a context switcher with no output schema and no annotations, the description should explain its effect on the browser session. It fails to mention that it is used to exit frames or that it returns to the top-level document, leaving agents to infer from the name alone.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With zero parameters and 100% schema coverage, the description does not need to add param details. The baseline is 4 for a parameterless tool. It offers no extra meaning, but none is required.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description 'Switches to the default content' clearly indicates the action and resource, and the name combined with sibling tools (e.g., browser_switch_to_frame) strongly suggests it reverts to the main page context. However, it lacks explicit mention that 'default content' refers to the main document, which prevents a top score.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives like browser_switch_to_parent_frame or browser_switch_to_frame. The description does not mention typical use cases (e.g., after navigating into a frame) or exclude inappropriate scenarios.

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

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