podcast_trending

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

Annotations already declare readOnlyHint, idempotentHint, openWorldHint, and destructiveHint=false, so the safety profile is covered and the description only adds the data source ('Podcast Index'). It says nothing about authentication requirements, rate limits, default result count, or whether results are cached/global — the behavioral facts an agent would still need.

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 short sentence with the key noun front-loaded and no filler, which is structurally sound. However, the brevity reads as under-specification rather than discipline given four undocumented parameters.

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, 0% schema coverage, and four parameters including credentials, the description leaves the auth story and the shape of the response entirely unspecified. For a tool in a family of five sibling podcast endpoints, that is not enough to call it correctly with confidence.

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 0% across four parameters, and the description supplies no meaning for any of them. In particular, max and lang are undocumented, and api_key/api_secret credentials are never mentioned even though the tool cannot plausibly work without them — a serious gap the description should have compensated for.

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 a specific verb ('Get') and resource ('trending podcasts') plus the upstream source (Podcast Index), so the intent is unambiguous. It stops short of distinguishing itself from siblings such as podcast_recent_episodes or podcast_search, leaving the agent to infer that this is the trending/chart-style endpoint.

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?

There is no statement of when to prefer this over podcast_search, podcast_recent_episodes, or podcast_by_feed_url, and no preconditions or exclusions are given. The agent must guess based on the word 'trending' alone.

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