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

Annotations already declare readOnlyHint=true and openWorldHint=true, so the safety profile is covered; the description goes further by disclosing the Bearer owlpass_ auth requirement, the purchase endpoint needed to obtain a pass, and a scope disclaimer ("Data and analysis only"). It does not clarify the two-mode behaviour (what is returned when the pass is absent) or any rate limits.

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?

Two sentences carrying a lot of load: the resource and its fields first, then the pass-gated retrieval behaviour and the disclaimer. The embedded /api/desk-strategies/{id}/buy path is unusual inside a tool description but earns its place by explaining how a pass is obtained.

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?

With no output schema and only two fully documented optional parameters, the description supplies most of what an agent needs: the auth model, the paid-content flow, and the returned content types. The remaining gap is the ambiguity about what a call without a pass returns, which matters for a tool whose parameters are all optional.

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?

Schema description coverage is 100%, so both parameters are already documented and the baseline is 3. The description reinforces the meaning of strategy (an id tied to a pass) but adds no format or syntax detail for the desk slug, so it does not exceed what the schema provides.

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 the resource (strategies sold by verified trader desks on OwlChart), enumerates the listing fields returned (title, desk, track record, price), and describes a second pass-gated mode that returns trader instructions and an alert bundle. That is enough to separate it from siblings like get_track_record or get_owl_score. It falls short of 5 because it never states a clear verb and blurs two operations (listing vs. pass-gated retrieval) into one tool.

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?

It implies when the different behaviours apply: call with a strategy id you hold a pass for to get the instructions, and it points to /api/desk-strategies/{id}/buy for acquiring a pass. However, it never says what happens without a pass, whether the listing mode requires any parameters at all, or when an agent should pick this over adjacent tools such as get_track_record. Usage is implied rather than stated.

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