athena_hug_invocation

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

With no annotations, the description carries the burden of disclosing behavior. It clearly indicates the response includes a frozen snapshot and either an output/receipt or failure, which sets expectations about the return payload and possible failure modes. However, it doesn't explicitly state read-only behavior or error handling beyond the word 'failure'.

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 a single, front-loaded sentence with no fluff. Every component it lists adds value, and the structure flows naturally from the core action ('Fetch one HUGINV') to the detailed contents of the return object.

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 simplicity (one parameter, no output schema), the description provides a surprisingly detailed inventory of the returned object, covering snapshot, arguments, context, status, and outcome. It stops short of defining the 'six arguments' or 'context', but for a fetch operation this level of detail is largely sufficient.

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 0% description coverage and the description never mentions the invocation_id parameter or its role in selecting the HUGINV. While the parameter name is self-explanatory, the description fails to compensate for the lack of schema documentation, leaving a semantic gap.

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 uses the specific verb 'Fetch' and names the resource 'HUGINV', then enumerates the returned components: frozen implementation snapshot, six arguments, context, status, and output/receipt or failure. It explicitly says 'one' to distinguish from list-style tools like athena_hug_list, making the tool's scope unambiguous.

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 guidance on when to use this tool versus alternatives. It does not name any sibling tools, state prerequisites, or explain when a user would prefer this over athena_hug_state or athena_hug_list, leaving the agent to infer usage from the name alone.

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