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UiPath MCP Server

UiPath MCP Server

by LokiMCPUniverse
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Remote

list_machines

List all UiPath machines registered in your Orchestrator tenant, with an optional limit on the number of items returned.

Instructions

List UiPath machines registered in the Orchestrator tenant.

Args: top: Optional maximum number of items to return.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "list_machines"
  }
}

Input Schema

NameRequiredDescriptionDefault
topNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.2/5.0
Behavior2/5

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

With no annotations, the description should disclose behavioral traits. It only states the tool lists machines with an optional top parameter, omitting details about pagination, permission requirements, or the effect of omitting top.

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?

The description is concise, using only two sentences and a brief Args section. Every word serves a purpose, and it is well-structured for quick parsing.

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 lack of output schema and annotations, the description should provide more context about return values, error handling, or pagination. It only covers the basic function and one parameter, leaving the agent with insufficient information to invoke the tool confidently.

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 0%, so the description must compensate. It adds meaning by explaining 'top' as 'Optional maximum number of items to return,' which goes beyond the raw schema. However, it does not clarify default behavior or constraints.

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's action: 'List UiPath machines registered in the Orchestrator tenant.' This is a specific verb+resource combination that distinguishes it from sibling tools like list_assets or list_robots.

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., list_robots or list_processes). The description lacks context about prerequisites, common use cases, or exclusions.

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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