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ShuailongDai

PowerFactory MCP Automation

by ShuailongDai

set_line_out_of_service

Control line status by setting the out-of-service flag to open or close a line in power network simulations.

Instructions

Open or close a line by setting its out-of-service flag.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
line_nameYes
out_of_serviceNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations are provided, so the description must disclose behavioral traits. It states it modifies the out-of-service flag but omits details like immediate effect, reversibility, or impact on other operations (e.g., load flow). This leaves the agent underinformed.

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 a single sentence with no unnecessary words. It is appropriately sized for the tool's simplicity.

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 modifies state and has no annotations, the description should provide more context (e.g., immediate application, impact on system state). The existence of an output schema does not compensate for missing behavioral context.

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 the description must compensate. It relates the boolean parameter to 'open or close' but does not explain the default value (out_of_service=true) or the difference between open/close. The line_name parameter is implied but not described.

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 uses a specific verb 'set' and clearly identifies the resource ('line's out-of-service flag'). It distinguishes from sibling tools like list_lines (read-only) and run_load_flow (analysis). However, it could be more precise by clarifying that 'open' means out_of_service=false and 'close' means true.

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 explicit guidance on when or when not to use this tool. There are no mentioned alternatives or prerequisites. While it's implied this is the only tool for modifying line status, the description does not help an agent decide if this is the right action.

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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