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websex_browser_navigate

Navigate a live browser session to a URL and return status, headers, final URL, and page title.

Instructions

Navigate a live WebSex browser session to a URL and return the resulting status, headers, URL, and title.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
urlYes
session_idYes
wait_untilNoload
engagement_idYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.7/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full burden. It does not disclose that navigation mutates the session's current page state, what wait_until values are accepted, or any auth/permission requirements for the engagement and session IDs. Returning status/headers/url/title is partly redundant with the existing output schema.

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?

A single front-loaded sentence with no filler; the verb and destination come first. It is efficient, though it could have used one more sentence for usage context without becoming bloated.

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?

The output schema covers return values, but for a four-parameter, zero-annotation tool the definition omits prerequisite session state, the meaning of wait_until, and any indication of how this differs from other browser tools. Too much is left for the agent to guess.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, so all four parameters are undocumented. The description only implies the url argument and says nothing about engagement_id, session_id, or the semantics of wait_until (default 'load'), leaving an agent unable to know valid values or the consequence of each.

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?

States a specific verb (Navigate) and resource (live browser session) with the destination (a URL), so an agent can tell it apart from browser_snapshot, browser_screenshot, or browser_evaluate. However, it never explicitly contrasts itself with the closest sibling, browser_action, so the differentiation is inferred rather than stated.

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?

There is no when-to-use guidance at all. Nothing tells the agent when to navigate a browser session versus issuing a plain websex_http_request or websex_curl, nor whether a session must first be created with websex_browser_create.

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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