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jgs-magic-sysmlv1-mcp

create_constraint_property

Create a ConstraintProperty in a SysML model using a specified ConstraintBlock, enabling parametric constraint evaluation within a parent block.

Instructions

Create a ConstraintProperty typed by a ConstraintBlock.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
parent_idYes
constraint_block_idYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.1

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It only states that a ConstraintProperty is created; it does not mention prerequisites, side effects, ownership semantics, error conditions, or whether the operation is reversible.

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

Conciseness4/5

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 is efficient, though it could have used the available space to include more parameter or usage context.

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?

With three required parameters, no annotations, and zero schema descriptions, the description is too thin to fully equip an agent to call the tool correctly. The presence of an output schema helps with return values, but not with required parameter semantics or behavioral expectations.

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

Parameters2/5

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

The input schema has 0% description coverage, and the description adds little parameter detail. 'Typed by a ConstraintBlock' hints at constraint_block_id's role, but parent_id and name are left entirely to inference.

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 uses a specific verb and resource: 'Create a ConstraintProperty typed by a ConstraintBlock.' This clearly identifies both what is created and its type, distinguishing it from sibling tools like create_value_property or create_part_property.

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

Usage Guidelines2/5

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

There is no explicit guidance about when to use this tool versus alternatives. The only signal is the resource type, which lets an agent infer a use case but does not state when not to use it or which sibling tool to prefer in other situations.

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

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