Update My Anime Entry

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

Annotations already mark destructiveHint=true, and description confirms it modifies the list and can add entries. It also states the return type ('Returns the updated my_list_status'). However, it does not elaborate on potential side effects beyond the mutation, but overall adds value beyond annotations.

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?

Description is two clear sentences, front-loaded with the core action and extending with usage notes. No redundant words.

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?

Output schema exists so return values are documented. However, with 10 parameters and many siblings, the description could be more complete by covering error conditions or authentication requirements. The key adding behavior is explained, but gaps remain in parameter semantics.

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?

Input schema has 10 parameters with only 30% description coverage. Description does not explain the purpose or format of the remaining 7 parameters (e.g., comments, priority, num_watched_episodes). The vague statement 'Only the provided fields are changed' does not compensate for the lack of individual parameter guidance.

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?

Description states 'Update the authenticated user's list entry for an anime (or ADD it to the list)', clearly specifying verb and resource. It distinguishes from siblings like delete_my_anime_entry and update_my_manga_entry by focusing on updating/adding an entry.

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?

Description explains that only provided fields are changed, at least one is required, and that if the anime is not on the list, MAL creates the entry with an example (pass status='plan_to_watch'). This provides clear usage context, though it does not explicitly mention when not to use or mention alternatives.

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