get_system_info

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

No annotations are provided, so the description carries the full burden, yet it discloses nothing beyond the name: no permissions required, no cost or rate considerations, no indication of what 'comprehensive' covers. It is reasonably safe to infer this is a read-only operation, but that inference comes from the naming convention rather than any stated behavior.

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?

The sentence is short and front-loaded, which is good, but the parenthetical '(Phase X.3)' is wasted space and reads as leftover internal documentation. Brevity here reflects under-specification rather than disciplined economy.

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?

The tool is simple (no parameters) and an output schema exists, so return values need not be described. However, for a tool whose entire premise is 'get system information', the description never establishes which system or what scope, leaving the agent unable to judge relevance before calling. The output schema only helps after invocation.

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 tool takes zero parameters, so there is no parameter semantics to explain; the baseline for a no-parameter tool applies. Schema coverage of 100% (vacuously) means nothing is missing on that dimension.

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 verb is clear ('get') but the resource ('system information') is undefined. With siblings like get_system_metrics and get_system_uptime present, 'comprehensive system information' gives no basis for telling this tool apart from them. The '(Phase X.3)' tag is internal project jargon that conveys nothing about the tool's purpose.

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 description provides no when-to-use guidance and no exclusions. It does not say whether to call this instead of get_system_metrics or get_system_uptime, or in what context system information is relevant. An agent must guess.

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