get_thread

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

With no annotations, the description usefully discloses live fetching, HN ranking order, comment depth/author/reply count/plain text, and max_chars truncation. However, it omits operational behavior such as rate limits, authentication needs, error handling, or pagination limits.

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 short, front-loaded with the core action, and uses the remaining text efficiently to explain return structure and intended use. No sentence is wasted.

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 moderate-complexity read tool with no output schema and no annotations, the description does explain the return shape and ordering. It remains incomplete because it lacks parameter definitions for max_depth and max_comments and operational details such as rate limits or failure modes.

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%, so the description must explain all four parameters. It partially does: max_chars is explained via text truncation and depth semantics are mentioned, but max_depth as a limiting parameter, max_comments, and story_id are not explained.

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 states a specific verb and resource: fetch a story and its comment tree live from HN. It is clearly distinct from search-oriented siblings, but it does not explicitly name or differentiate against any sibling tool.

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?

It gives a clear use case: summarize a discussion or find the strongest arguments on each side. It does not mention when not to use it or which sibling tool to choose instead, so it falls short of full alternative guidance.

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