get_newswire

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

No annotations are provided, so the description carries the full disclosure burden, and it delivers little: it does not state authentication needs, rate limits, freshness/update cadence beyond the word 'live stream', or whether the stream is paginated or bounded. It only notes the return is a formatted list, which the output schema already covers.

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?

Short, front-loaded, and organized into Args/Returns sections. The 'ctx: MCP context (injected automatically)' line is arguably noise for an agent, and the Returns block is redundant given the output schema, but overall the entry is tight.

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 3-parameter read tool with an output schema, the essentials are present and return format is documented elsewhere. Gaps remain around the unenumerated 'section' values and any behavioral constraints (auth, cadence, result limits) that an agent would need to call it reliably.

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?

With schema description coverage at 0%, the description compensates well: it enumerates the valid 'source' values ('all', 'nyt', 'inyt') that the schema does not, and explains 'section' with the 'all' default. The section parameter is still under-specified (no list of valid section names), preventing a 5.

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 specific verb and resource ('Get the latest articles from the Times Newswire') plus the live-stream scope, which distinguishes it from get_top_stories and get_archive. It does not, however, explicitly name or contrast itself with 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?

The '(live stream)' qualifier and 'latest articles' imply this is for continuously updated content rather than popularity or search, but no explicit when-to-use or when-not-to-use guidance is given, and no sibling is named as an alternative.

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