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Yaeshio

FreeCAD MCP

by Yaeshio

get_object

Retrieve an object from a FreeCAD document to view its properties and a screenshot for inspection or editing.

Instructions

Get an object from a document. You can use this tool to get the properties of an object to see what you can check or edit.

Args:
    doc_name: The name of the document to get the object from.
    obj_name: The name of the object to get.

Returns:
    The object and a screenshot of the object.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
doc_nameYes
obj_nameYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

No annotations provided; description implies read-only but does not explicitly confirm safety or side effects. It does mention returning an object and screenshot, adding minimal context.

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?

Description is clear and front-loaded with purpose. Could be more concise, but structure with Args/Returns is helpful.

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

Completeness4/5

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

Given low complexity and output schema existence, description covers core functionality (object + screenshot). Lacks details on potential errors or prerequisites.

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

Parameters4/5

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

Schema has 0% coverage; description adds explicit explanations for doc_name and obj_name in the Args section, compensating well.

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 'Get an object from a document' and explains its use to retrieve properties. It effectively distinguishes from siblings like create_object, delete_object, and edit_object.

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 description implies usage when needing object properties but lacks explicit when-not or alternative guidance (e.g., when to use get_object vs get_objects).

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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