waro_ping

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

No annotations are provided, so the description carries the full burden. It discloses the response value ('returns ok') but says nothing about failure behavior, such as whether an unreachable service produces an error or a non-ok payload. For a zero-parameter ping tool this is a reasonable but not fully transparent disclosure.

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 description is two short fragments with no wasted words and the core fact (health check, returns ok) is front-loaded. It is appropriately minimal for this tool's trivial surface area.

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?

For a tool with zero parameters and no output schema, the description covers what an agent needs to invoke it correctly: the call has no inputs and yields 'ok'. The only minor omission is failure semantics, which is low-impact for a health check.

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 has zero parameters and schema coverage is trivially 100%, so there is nothing for the description to document. Per the rubric, a zero-parameter tool earns a baseline of 4; nothing is missing on this 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 description states a clear verb and resource: 'Health check — returns ok.' This unambiguously conveys that the tool verifies service liveness and returns a fixed 'ok' response. It is inherently distinguishable from the analytics, sales, and customer sibling tools, so no explicit differentiation is needed.

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?

No explicit when-to-use guidance or alternatives are given. However, the purpose itself implies the usage — a health check is called to verify connectivity or service status before other operations. Since zero siblings serve this role, the absence of exclusion language is a minor gap rather than a fatal one.

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