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scout_switch_tab

Switch to a browser tab by its index from the scout_tabs list. Use this to navigate between open tabs.

Instructions

Switch to a browser tab by index (from scout_tabs).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
indexYesTab index from scout_tabs
Behavior2/5

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

No annotations are provided, so the description carries full burden. It only states the action without disclosing side effects, permissions, error conditions (e.g., out-of-bounds index), or whether the tool returns anything.

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?

One sentence, 12 words, no redundancy. Very concise, though this conciseness slightly trades off comprehensiveness.

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

Completeness4/5

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

For a simple tool with one parameter and no output schema, the description is adequate. It conveys the essential purpose and parameter source, though it could hint at error cases.

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

Parameters3/5

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

The single parameter is fully covered by the schema description. The tool description merely restates 'Tab index from scout_tabs', adding no new meaning beyond what the schema already provides.

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

Purpose5/5

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

The description clearly states the action ('Switch'), resource ('browser tab'), and the key parameter ('index'), and distinguishes it from sibling tools like scout_new_tab or scout_tabs.

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

Usage Guidelines3/5

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

The description implies usage after scout_tabs to get indices, but provides no when-not-to-use or alternatives guidance. For a simple tool, this is adequate but lacks exclusion criteria.

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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