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xixfaces

Roblox Executor MCP

by xixfaces

List connected Roblox clients

list-clients

Identify connected Roblox game clients by listing their client IDs and session metadata to select the correct client for further actions.

Instructions

List connected Roblox game clients with clientId and session metadata. Use before set-active-client when multiple clients are connected or the target client is unknown.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior3/5

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

With no annotations, the description carries the full burden. It indicates a read-only listing operation with metadata, but does not disclose any potential side effects, performance impact, or permissions required. For a simple list tool, this is adequate but not detailed.

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

Conciseness5/5

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

Two concise sentences: first states purpose with details about what is listed, second gives usage guidance. No redundant information, front-loaded, and efficient.

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

Completeness5/5

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

The description explains the return (clientId and session metadata) despite no output schema. For a zero-parameter list tool with low complexity, this is complete and sufficient.

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

Parameters4/5

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

The tool has no parameters, and schema coverage is 100%. The description does not need to provide parameter details. Baseline for zero parameters is 4.

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 tool lists connected Roblox game clients with clientId and session metadata. It distinguishes itself from the sibling tool 'set-active-client' by recommending its use before that tool when multiple clients are connected or the target is unknown.

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

Usage Guidelines4/5

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

The description explicitly says to use this tool before 'set-active-client' when multiple clients are connected or the target client is unknown. This provides clear context but does not specify when not to use it or alternative tools.

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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