Weld Group

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

The annotations already mark readOnlyHint=true and openWorldHint=false, establishing a non-destructive calculation. The description adds substantial behavioral context: it details the calculation approach (direct shear plus torsional shear from eccentric load), the formulas used, and the exact output fields. It does not contradict annotations and provides useful technical detail beyond the schema.

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?

The description is a dense paragraph but well-organized, leading with the purpose, then parameter meanings, then formulas, then outputs. Every sentence carries technical value, though it could be improved by breaking into bullet points for readability. It is not excessive and stays focused.

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 the tool's complexity and lack of an output schema, the description lists all return fields with units and explains the underlying method. It covers all parameters and the main computation path. Minor omissions are error cases or limits of applicability, but for a pure calculation tool the information is adequate.

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 0% schema description coverage, the description fully compensates by explaining each parameter: segments as list of line segments in mm, force_n as [Fx,Fy], load_point_mm as [px,py], leg_mm as an optional given leg, allowable_shear_mpa as the allowable stress, and weld_type as 'fillet' default. It also clarifies the behavior when leg_mm is null (compute required leg) versus provided (check throat stress). This adds significant meaning beyond the raw 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?

The description states a specific verb ('Rate') and resource ('planar fillet-weld group') plus the precise method (Blodgett's treat-weld-as-a-line). It clearly distinguishes this from the many other analysis tools in the sibling list, which cover other domains (CFD, FEM, optics, etc.).

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 description implies usage for planar fillet-weld analysis, but it does not explicitly state when to use this tool versus alternatives or when not to use it. There are many other mechanical analysis tools in the sibling list, yet no exclusions or cross-references are provided, leaving the agent to infer applicability from the method name.

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