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activate

Clicks an element by reference or visible text, then analyzes page changes to classify outcome as navigation, DOM change, network change, or no effect.

Instructions

Higher-level action probe. Clicks an element by ref or visible action text, settles, and returns before/after URL, BlockMap/page_model summaries, network counts, hashes, and classification: navigated, dom_changed, network_changed, no_effect, or unsupported.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
refNoOptional element ref like e:142.
textNoOptional visible action text to locate when ref is omitted.
Behavior3/5

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

No annotations provided, so the description must carry behavioral disclosure. It lists possible classifications (navigated, dom_changed, etc.), which helps agents anticipate outcomes, but it does not explicitly state that clicking may be destructive (e.g., navigation or DOM changes) or discuss side effects like rate limits or permissions.

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

Conciseness3/5

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

Description is a single dense sentence covering multiple aspects. It is concise but could benefit from structuration (e.g., listing return values separately) for easier parsing. No wasted words, but front-loading could be improved.

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?

No output schema exists, so the description compensates by listing return values (URL, summaries, counts, hashes, classification). However, it lacks details on output format, error handling (e.g., element not found), and edge cases. Adequate but not thorough.

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?

Input schema has 100% description coverage, so the description adds minimal new meaning beyond the schema. The schema already describes 'ref' and 'text' adequately. Baseline of 3 is appropriate.

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

Purpose4/5

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

Description clearly states it clicks an element, settles, and returns analysis metrics, distinguishing it as a higher-level action probe compared to simpler actions like 'click' or 'settle' alone. However, it could be more explicit about its role as a convenience wrapper.

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

Usage Guidelines2/5

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

No explicit guidance on when to use 'activate' versus alternatives like 'click' then 'settle' separately, or versus 'submit'. The description implies it is a combined action probe but doesn't provide when/when-not conditions.

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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