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PaulMRamirez

Yamcs MCP Server

by PaulMRamirez

links_disable_link

Disable a data link in a Yamcs instance to stop data flow. Provide link name and optional instance.

Instructions

Disable a data link.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
linkYesLink name
instanceNoYamcs instance (uses default if not specified)

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations exist, so the description must carry full behavioral burden. It states 'Disable' but does not explain what happens (e.g., link goes down, data stops), required permissions, or reversibility.

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 concise sentence, front-loading the core purpose. While efficient, it could include slightly more context without becoming verbose.

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 simple action and presence of an output schema, the description still lacks completeness regarding behavioral impact and side effects. It does not fully inform the agent about what disabling a link entails.

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% with descriptions for both parameters. The description adds no new meaning beyond the schema, so it meets the baseline but does not enhance understanding.

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 action 'Disable' on resource 'data link'. The verb and resource are specific, but it does not differentiate from sibling tools like links_enable_link, though the opposite action is implied by name.

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 on when to use this tool, prerequisites, or consequences. The agent receives no context about alternatives or when disabling is appropriate, leaving usage ambiguous.

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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