tabs

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It lists operations such as close, move, and transfer without explaining side effects, permissions, or return behavior, and the description trails off with 'route page ops…' without finishing. This is insufficient for agents deciding whether an action is destructive or safe.

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 compact and front-loaded with the most essential action syntax. The trailing ellipsis and fragmented 'route page ops…' make it feel cut off rather than deliberately concise, and important action definitions are missing.

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?

With ten actions, ten parameters, no output schema, and no annotations, this description is far too thin. It does not enumerate all actions, explain parameter groupings per action, or describe what an agent should expect back, leaving substantial ambiguity for a tool with this much surface area.

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 description adds some parameter-to-action mapping by showing 'switch (tabId)', 'close (tabId)', and 'bind (tabId, activate?)', which goes beyond the raw schema. However, it covers only a subset of the ten actions and fails to document how selector, windowId, useValue, from/to params, and similar fields relate to the remaining actions. Schema coverage is 60%, so the description only partially compensates.

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 identifies the resource as tabs/windows and gives concrete action syntax examples (list, switch, close, bind), so an agent can recognize this as the tab/window management tool. It is less than complete because the action list is truncated with an ellipsis and not all ten enum actions are shown.

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?

There is no guidance about when to use this tool versus alternatives like navigate, click, or reveal, and no exclusions are given. The action syntax implies usage for tab/window operations, but the agent is left to infer when this tool is appropriate.

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