get_tweet_by_id

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

With no annotations, the description must disclose behavioral traits. It only says 'Fetches', omitting critical details like authentication requirements, rate limits, error handling (e.g., tweet not found), or the role of the 'cursor' parameter. The agent is left without essential behavioral context.

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?

The description is a single concise sentence, front-loading the core action. However, it achieves conciseness at the expense of necessary details, making it too brief to be fully helpful. It earns a middle score for being clear but inadequate.

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?

Given the tool has an output schema (not shown), return values are less of a concern. However, with 2 parameters, no annotations, and many sibling tools (e.g., get_tweet_details), the description lacks completeness by not explaining cursor usage or distinguishing from similar tools. The agent is under-informed for correct invocation and selection.

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 coverage is 0%, and the description adds no parameter-level explanations. While 'tweet_id' is self-explanatory, 'cursor' (optional, string/null) is undocumented, leaving its purpose (likely pagination) unclear. The description fails to compensate for the schema's lack of descriptions.

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 clearly states the verb 'Fetches' and the resource 'a tweet by tweet ID', making the tool's purpose unambiguous. It distinguishes from sibling tools like search_twitter or get_timeline, though get_tweet_details might overlap; still, the purpose is specific and actionable.

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?

No guidance is provided on when to use this tool versus siblings like get_tweet_details or search_twitter. The description does not mention prerequisites, fallbacks, or when not to use it, leaving the agent guessing about appropriate contexts.

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