handle_dialog

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

No annotations are present, so the description carries the full burden. It explains that the tool uses CDP Page.javascriptDialogOpening and works even when dialog blocks JS, providing good behavioral context for a setup tool. No contradictory information.

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 very concise, consisting of three short sentences, each providing essential information: purpose, usage timing, and technical advantage. No unnecessary words.

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?

For a simple 2-parameter tool with no output schema, the description covers purpose, prerequisites, and mechanism. It is complete given the tool's simplicity and the richness of the input schema.

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 coverage is 100% with detailed descriptions for both parameters (action enum with explanations, text usage). The description does not add extra meaning beyond the schema, so baseline score of 3 is appropriate.

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 tool's purpose: 'Configure browser dialog handling (alerts, confirms, prompts).' It distinguishes itself from sibling tool 'evaluate' by explicitly stating it replaces evaluate-based workarounds and works even when JS is blocked.

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?

The description provides clear guidance: 'Pre-configure BEFORE triggering actions that may show dialogs.' It also mentions replacing evaluate-based workarounds, implying when not to use evaluate. However, it does not exhaustively list all alternatives for every scenario.

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