browser_goto

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

There are no annotations to fall back on, so the description carries the full burden. It only says 'navigate to specified URL' without disclosing side effects such as loading the page in the current tab, changing history, or behavior on navigation failure. This is minimal but not contradictory.

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, short sentence with no filler or redundancy. It is appropriately front-loaded and gets to the point, though it is somewhat under-specified. This is conciseness without waste, though not richly informative.

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 the tool has 3 parameters and no annotations or output schema, the description is too sparse. It fails to explain the timeout and waitUntil behavior, what triggers a successful navigation, or any consequences. The description is barely more than the tool name.

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 description coverage is 0%, and the description does not compensate. It relates only to the 'url' parameter (specified URL) and completely ignores 'timeout' and 'waitUntil' parameters, leaving their meaning and usage unexplained.

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 ('navigate') and the target ('specified URL'), which is a specific verb+resource combination. It distinguishes from navigation history tools like go_back/go_forward by indicating a direct URL is provided, though it does not explicitly call out those alternatives.

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 provided on when to use this tool versus alternatives. The description merely states what it does, with no mention of when it is appropriate (e.g., for initial navigation vs. history traversal) or any exclusions.

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