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jgs-magic-sysmlv1-mcp

create_flow_specification

Create a SysML FlowSpecification (interface) with a specified name under a given parent element.

Instructions

Create a SysML FlowSpecification (Interface + FlowSpecification stereotype).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
parent_idYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.1

TDQS

C2.4/5.0
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 only states that it creates a FlowSpecification, but does not describe side effects (e.g., where the element is added, whether it inherits from a parent, how stereotypes are applied), permissions, or return behavior. This is insufficient for a mutation tool.

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

Conciseness3/5

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

The description is a single, short sentence with no fluff, which is concise. However, it is too brief to be effective; it lacks critical details about parameters, usage, and behavior. It is under-specified rather than appropriately concise.

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

Completeness1/5

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

Given the tool's purpose (creating a SysML element) and the presence of many sibling creation tools, the description is incomplete. It does not explain what a FlowSpecification is, how it relates to stereotypes, or what the parameters mean. The output schema exists but is not detailed here, so the description should provide more context. This is inadequate for an agent to call the tool correctly.

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

Parameters1/5

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

Schema description coverage is 0%, and the description does not mention the parameters 'parent_id' or 'name' at all. It provides no meaning beyond the parameter names themselves, leaving the agent to infer what 'parent_id' refers to or how 'name' is used.

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

Purpose4/5

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

The description clearly states the verb 'Create' and the resource 'SysML FlowSpecification', and adds clarification that it is an Interface with a FlowSpecification stereotype. This distinguishes it from similar tools like create_interface_block or create_flow_port, though it could be more explicit about when to use it over those alternatives.

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?

No guidance is provided on when to use this tool versus siblings. The description does not mention prerequisites, alternative tools, or specific scenarios. An agent would not know if this is the right tool for a given task compared to create_interface_block or apply_stereotype.

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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