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borysttk

auth-vault

by borysttk

browser_navigate

Navigate a browser to a URL within an active session to automate login flows and manage credentials.

Instructions

Navigate the browser to a URL within an active session

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
sessionIdYesSession ID from browser_launch
urlYesURL to navigate to
Behavior2/5

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

No annotations are provided, so the description must fully disclose behavior. It only states the action but does not mention what happens after navigation (e.g., returns page content, waits for load, error behavior). This leaves significant gaps for an agent.

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?

The description is a single sentence with no unnecessary words. It is concise, but the brevity comes at the cost of missing important behavioral details.

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

Completeness2/5

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

Given no output schema and no annotations, the description is incomplete. It fails to explain the return value, error handling, or prerequisites (e.g., session must be active). The agent lacks critical context to use the tool correctly.

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?

Schema description coverage is 100%, so the schema already documents both parameters adequately. The description adds no additional semantic value beyond restating the action, resulting in baseline score.

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?

The description clearly states the action 'Navigate the browser to a URL' and specifies the context 'within an active session', distinguishing it from siblings like browser_launch. However, it does not explicitly mention that a session must already be created via browser_launch.

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 phrase 'within an active session' implies that a session must exist, providing some guidance. However, it does not specify when not to use this tool (e.g., if no session exists) or mention alternatives like browser_launch for creating a session.

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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