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roxybrowserlabs

RoxyBrowser MCP Server

Official

roxy_list_browsers

Retrieve a list of browsers in a workspace or project with filters for window serial number, name, and pagination.

Instructions

Get list of browsers in specified workspace/project

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
workspaceIdYesWorkspace ID
projectIdsNoComma-separated project IDs
windowSortNumNoFilter by window `Serial No` (e.g. 1, 102)
windowNameNoFilter by browser window name
pageIndexNoPage index for pagination (default: 1)
pageSizeNoNumber of items per page (default: 15)
Behavior2/5

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

No annotations are present, so the description should disclose behavioral traits. It only states it lists browsers, omitting pagination (though parameters imply it), ordering, error behavior, or any side effects.

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 short sentence, very concise. It is front-loaded and wastes no words, though it sacrifices detail for brevity.

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 description is too brief for a 6-parameter tool with no output schema. It fails to explain return format, parameter relationships, or how pagination works, leaving gaps for an agent.

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 baseline is 3. The description adds no extra parameter meaning beyond the schema; it simply restates the scope.

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

Purpose5/5

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

The description clearly states the verb 'Get list of' and the resource 'browsers' with scope 'in specified workspace/project'. It distinguishes from siblings like 'roxy_get_browser_detail' (single browser) and creation tools.

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?

The description provides no guidance on when to use this tool versus alternatives or when not to use it. No context about prerequisites or typical use cases is given.

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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