browser_solve_challenge

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

With no annotations provided, the description carries the burden of disclosing behavioral traits. It states that the tool triggers detection and solving and returns page state with a challenges_solved flag. However, it does not disclose potential side effects such as navigation, delays, or risk of detection, and lacks detail on failure behavior or prerequisites beyond being on a page.

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?

Two concise sentences, front-loaded with the primary purpose and followed by supported challenge types and expected output. Every sentence provides valuable information with no redundancy.

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 zero-parameter tool with an output schema, the description adequately covers the action, supported targets, and return value. It could be more explicit about when solving might be necessary or limitations, but given the simplicity of the tool, it is sufficiently complete.

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 tool has zero parameters, so the baseline is 4. The description adds no parameter-specific details because none exist, and the schema is empty. This 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 specific function: explicitly triggering challenge detection and solving on the current page. It names supported challenge types (Cloudflare Turnstile, Cloudflare spatial, PerimeterX Press & Hold), distinguishing it from sibling tools like run_challenge_diagnostic and other browser interactions.

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 context for use: invoke when the current page has a challenge that needs solving. It implies this is the action counterpart to diagnostic tools, but does not explicitly state when not to use it or mention alternative approaches. Still, the usage scenario is evident.

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