get_tweets

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

Annotations already declare readOnlyHint, idempotentHint, and openWorldHint, so safety and repeatability are covered. The description adds genuinely new behavioral context the annotations do not: partial-failure semantics where individual bad IDs return per-item errors without failing the whole batch. It does not mention rate limits or ordering, but the added disclosure is substantive.

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?

Two short sentences, zero filler, with the core purpose front-loaded and the failure-mode note following as supporting detail. Every sentence earns its place.

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 and the input schema is fully documented, so the description only needs to add the non-obvious behavior — which it does via batch partial-failure semantics. Minor gap: no hint about ordering of results, deduplication, or when the batch size limit should push the agent to split calls, but nothing critical is missing.

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 100%, including the 1-25 item bound, URL-or-ID acceptance, and each enrichment flag, so the schema carries the parameter burden. The description adds no syntax or format guidance beyond that, which is the expected baseline when schema coverage is complete.

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+resource ('Fetch multiple posts') and makes the batch scope explicit with 'in one call', which implicitly contrasts with the singular get_tweet sibling. It does not name get_tweet or search_tweets, so the differentiation is inferable rather than stated.

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?

Usage is only implied: 'multiple posts in one call' suggests batching rather than a single-post fetch, but the description never says when to prefer this over get_tweet, search_tweets, or get_user_tweets. No prerequisites or exclusions are given.

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