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ssfdre38
by ssfdre38

cad_generate_bracket

Generate a parametric mounting bracket with screw holes and optional reinforcing gussets. Specify leg lengths, width, thickness, and hole diameter to create a custom 3D-printable part.

Instructions

Generates a parametric structural mounting bracket (L-bracket, flat plate) with mounting screw holes and reinforcing 45-degree gussets.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
typeNoBracket configuration.
widthYesBracket width in mm.
filenameNo
outputDirNo
thicknessNoWall thickness in mm (default: 3.0 mm).
leg1LengthYesBase leg length in mm.
leg2LengthYesVertical leg length in mm.
holeDiameterNoMounting screw hole diameter in mm (default: 4.5 mm for M4 screw).
reinforcingGussetNoWhether to add 45-degree triangular stiffener gusset.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3.4/5.0
Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It indicates generation but does not explain whether a file is written, how outputDir and filename are used, what the tool returns, or any side effects or failure behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no filler or redundancy. It communicates the core purpose and key configuration options efficiently.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 9-parameter generation tool with no output schema and no annotations, the description is too sparse. It does not state what the tool produces or returns, how output files are handled, or how optional parameters like filename and outputDir behave, leaving an agent with incomplete operational context.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 78%, so the schema already documents most parameters, including defaults and units. The tool description adds limited context by tying 'mounting screw holes' to holeDiameter and 'gussets' to reinforcingGusset, but it does not clarify the meaning of filename, outputDir, or the default for the type enum.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool generates a parametric structural mounting bracket and names the supported configurations (L-bracket, flat plate) and key features (screw holes, 45-degree gussets). The verb-resource pairing is specific, and the bracket scope distinguishes it from sibling tools like cad_generate_battery_cover and cad_generate_knob.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The phrase 'structural mounting bracket' implies the intended use case, and sibling tool names make it easy to route to this tool for bracket generation. However, there is no explicit guidance about when to choose this over other cad_generate_* tools or any when-not-to-use conditions.

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