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hedless

Onshape MCP Server

by hedless

create_part_studio

Create a new Part Studio in an existing Onshape document, providing a dedicated environment for parametric 3D modeling and feature management.

Instructions

Create a new Part Studio in an existing document

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesName for the new Part Studio
documentIdYesDocument ID
workspaceIdYesWorkspace ID
Behavior2/5

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

No annotations are provided, so the description carries full burden. It only states 'Create a new Part Studio', implying a write operation, but discloses no behavioral traits such as idempotency, error handling, or permissions required.

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 sentence that is clear and front-loaded. There is no fluff or unnecessary information.

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

Completeness3/5

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

The tool is simple with no output schema and few parameters, but the description lacks context about what a Part Studio is or how it fits into the document hierarchy. Given the low complexity, it is minimally adequate but could be more helpful.

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 100% with all three parameters documented. The description adds no additional meaning beyond the schema, so a baseline of 3 is appropriate.

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 verb 'Create', the resource 'Part Studio', and the context 'in an existing document'. This distinguishes it from sibling tools like 'create_document' or 'find_part_studios'.

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 given on when to use this tool versus alternatives. There is no mention of prerequisites (e.g., document must exist), nor any exclusion criteria. The description simply states what it does without usage context.

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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