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

With no annotations and no output schema, the description carries the full burden of explaining behavior, but it only restates the core purpose. It does not disclose what the result looks like, whether it throws on failure, or whether any connection state is affected.

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

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

One short, front-loaded sentence conveys the entire tool purpose without wasted words. Nothing is redundant for a zero-parameter connectivity check.

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

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

Given the tool's trivial complexity, the description is adequate for basic invocation, but because no output schema exists and no result semantics are described, an agent cannot know what a successful or failed connection test returns. That leaves a clear gap.

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

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

The schema has zero parameters and is fully described, so no parameter documentation is needed; baseline for zero-parameter tools is 4. The description adds no parameter detail, but none is required.

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

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

The description names a specific action ('test connection') and resource ('Unity Inspector'), so an agent can tell what it does. It is clear, though it does not actively differentiate from any sibling because no similar connectivity tool exists.

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

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

The verb 'test' implies this should be used to verify connectivity to the Unity Inspector, but no explicit when-to-use or when-not-to-use guidance is given, and alternatives are not mentioned. For a no-parameter diagnostic tool this is minimally adequate.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.