pack3d_wasm_pack

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 only discloses one trait (6-axis orthogonal rotation). It omits determinism/reproducibility, whether packing is a pure read or has side effects, performance characteristics, and what happens when items cannot be packed.

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 tight sentences with the core operation front-loaded and no filler. It is efficient, though it is arguably too terse given everything the tool leaves unexplained.

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?

No output schema, no annotations, and no parameter documentation mean the description should carry much more. It never explains the return value (carton assignments? placement coordinates? unplaced items?), which is the single most important thing an agent needs from a packing optimizer.

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 coverage is 0% and the single 'items' parameter is a nested array with five undocumented sub-fields. The description adds no units (w/h/d in cm or inches? weightKg in kg?), no id semantics, and no mention of carton constraints despite referencing 'available cartons' that have no corresponding parameter.

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 — 'Packs multiple 3D items into available cartons' — plus the optimization qualifier and the 6-axis rotation behavior. It is unambiguously distinguishable from every sibling, none of which touch geometric packing.

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 when-to-use or when-not-to-use guidance is given. The description never says where the 'available cartons' come from, whether rotation can be restricted, or what conditions make this tool the right choice. It only describes the operation, not the decision to invoke it.

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