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

Annotations already cover the safety profile (readOnlyHint, idempotentHint, destructiveHint=false, openWorldHint=false), so the description's job is to add context. It does add a useful temporal behavior – the ending is only present "once it has aired" – but says nothing about ordering guarantees, pagination, or refresh behavior for a live feed.

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?

A single front-loaded sentence with a colon-delimited summary of returned fields; no filler. Slightly dense but every clause contributes meaning.

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 low-complexity, read-only list tool with one optional parameter and no output schema, the description adequately covers purpose, contents, and the airing conditional. Only minor gaps remain (order determinism, whether personal episodes are included), which are not critical for correct 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?

Schema description coverage is 100% for the single limit parameter ("How many (default 10)"), so the schema carries the load. The description adds only the implicit notion of recency/ordering via "latest," which is marginal beyond the schema.

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 clear verb+resource ("List the latest episodes") and specifies the payload contents (matchup, status, ending once aired). The parenthetical "the public feed" implies a scope distinction from personal tools like get_episode or my_dates, but no sibling is named explicitly, so differentiation is inferential rather than stated.

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 phrase "the public feed" and "latest" hint at when this tool applies versus get_episode or my_dates, but there is no explicit when-to-use, when-not-to-use, or named alternative. An agent must infer the routing decision.

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