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qualien-mcp

qualien-mcp

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by qualienai
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TypeScript
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playwright__browser_navigate

Destructive

Navigate to a specified URL using Playwright browser automation. Direct your browser session to any web page for testing or data collection.

Instructions

Navigate to a URL

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "url": "<url>"
    },
    "name": "playwright__browser_navigate"
  }
}

Input Schema

NameRequiredDescriptionDefault
urlYesThe URL to navigate to

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.4.0

TDQS

C2.9/5.0
Behavior2/5

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

Annotations indicate destructiveHint=true and readOnlyHint=false, signaling that navigation modifies state. The description adds no further behavioral details (e.g., whether it waits for page load, affects browser history, or requires an active tab). With annotations present, the description should clarify these behaviors but does not.

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, front-loaded, and contains no fluff. It is appropriately concise for a simple tool, though it could be slightly more informative without harming conciseness.

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 the tool's simplicity (one parameter, no output schema), the description lacks critical context: does it wait for the page to load? What happens on failure? What is the return value? Without this, the agent may misuse the tool, e.g., expecting immediate results or not handling errors.

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 coverage is 100% (one parameter 'url' with a description). The description adds no additional meaning beyond what the schema already provides, so a baseline score 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?

The description clearly states the verb 'Navigate' and the resource 'URL', making the tool's basic action unambiguous. However, it does not specify that navigation is within the current browser tab, which could help distinguish it from sibling tools like 'navigate_back'.

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 guidance is provided on when to use this tool versus alternatives (e.g., navigate_back, clicking a link, or using evaluate). There is no mention of prerequisites or exclusions, leaving the agent without context for appropriate selection.

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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