ebay_bulk_update_keyword_bids

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

No annotations provided, so full burden on description. Only states 'update bids' with no disclosure of mutation effects, required permissions, rate limits, or idempotency. For a write operation, this is insufficient 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?

Extremely concise single sentence, but lacks structural elements like bullet points or front-loaded key details. It is not overly verbose but also not optimally informative.

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 no annotations and no output schema, the description is too minimal. It does not mention that updates are per campaign, that the keywords array requires keywordId and bid object, or any return behavior. For a bulk mutation tool, more context is needed.

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 covers all parameters with descriptions (100% coverage), so description adds no new param info. Baseline 3 is appropriate since the schema already defines the structure, but the description does not enhance understanding beyond schema.

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 clearly states the action (update bids) and target (multiple keywords), distinguishing from singular update tools like ebay_update_keyword_bid via the word 'multiple'. However, it lacks mention of campaign scope that the schema requires.

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 on when to use this tool versus similar bulk actions (e.g., ebay_bulk_update_keywords, ebay_update_keyword_bid). The description does not mention prerequisites or exclusions.

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