run_newegg_sellers_products

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

With no annotations, the description carries the full behavioral burden, and it does disclose the cost model ('1 point per returned record'), which is genuinely useful. However, it says nothing about pagination behavior, return format, or any access requirements, so the safety/behavior profile remains thin.

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 with zero filler: the resource and its identifier are front-loaded, and the pricing note follows. Nothing is padded.

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?

This is a low-complexity list-style retrieval tool with full schema coverage and no output schema, so the description need not explain return values. What it provides (what is returned, how it is identified, and the cost) is sufficient, with only pagination behavior left implicit in the schema.

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%, so all three parameters are already documented in the schema, including the seller key/URL and the max_items/start_page bounds. The description repeats the seller input ('store key or store URL') without adding format or syntax detail, so the baseline of 3 applies.

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 resource (a Newegg marketplace seller's products) and the input that identifies the seller (store key or URL). It is clearly distinguishable from siblings like run_newegg_sellers (seller details) and run_newegg_products (catalog lookup), though it never names an alternative explicitly.

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?

There is no when-to-use or when-not-to-use guidance, and no alternative is named despite many overlapping Newegg siblings. The phrase 'by store key or store URL' hints at the accepted input but does not tell an agent when this tool is the right choice.

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