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

Annotations already declare readOnlyHint=true and openWorldHint=true, so safety profile is covered. The description adds that data comes via Product Hunt GraphQL and mentions the pagination cursor, but says nothing about result size, rate limits, or how the leaderboard is ordered beyond what the schema's order param implies.

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?

Three compact sentences, front-loaded with the core purpose before the param notes and the sibling routing hint. Minor redundancy: the cursor and date sentences duplicate the schema descriptions verbatim.

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 an output schema present and 100% schema coverage across 9 params, the description needn't explain return values or param formats. It supplies purpose, scope, pagination hint, and a sibling route, which is sufficient for correct invocation; only richer behavioral context is missing.

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 every parameter is already documented in the schema. The description restates cursor and date semantics verbatim, adding no new meaning (e.g., cursor expiry, date scope interactions with week/month/year params). Baseline 3 applies.

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?

States a specific verb (Fetches) and resource (Product Hunt leaderboard data) with the scope enum (daily, weekly, monthly, yearly) named inline. It also names the sibling producthunt_launches as a different capability, which helps disambiguate, though it doesn't distinguish from other producthunt_* siblings like producthunt_search or producthunt_category_products.

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?

Explicitly routes the agent: 'Use producthunt_launches to retrieve Product Hunt product launches,' giving one clear alternative with a distinguishing condition. However it offers no guidance on when to prefer a given scope (daily vs yearly) or any prerequisites.

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