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navvi_press

Press keyboard keys (Enter, Tab, Escape, etc.) on the focused browser element to automate interactions such as form submissions and navigation.

Instructions

Press a keyboard key (Enter, Tab, Escape, Backspace, ArrowDown, etc.). Sends to currently focused element.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
keyYes
personaNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations provided; description only states basic behaviour without disclosing side effects, error handling, or prerequisites like focus.

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

Conciseness5/5

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

Two sentences, front-loaded with action and examples, no wasted words, efficient.

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

Completeness3/5

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

Adequate for a simple tool with output schema, but could improve by listing all valid keys and explaining persona; overall sufficient.

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?

Adds meaning to 'key' via examples, but 'persona' parameter is left unexplained; schema coverage is 0%, so description partially compensates.

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 uses specific verb 'Press' and resource 'keyboard key', listing common examples (Enter, Tab, etc.), clearly distinguishing from sibling tools like navvi_click.

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?

States action applies to 'currently focused element', implying context, but provides no explicit when-to-use or when-not-to-use guidance compared to alternatives.

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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