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onshape-mcp

by gpambrozio

Get element configuration

onshape_get_configuration
Read-only

Retrieve configuration parameters for an Onshape element by providing document, workspace, and element IDs. Get IDs and allowed values to manage configurable options.

Instructions

The configuration parameters an element exposes, with their ids and allowed values.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
wsYesWorkspace id — the <ws> segment of the document URL.
docYesDocument id — the <doc> in cad.onshape.com/documents/<doc>/w/<ws>/e/<elem>.
elemYesElement id (tab) — the <elem> segment of the document URL.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.4/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true, and the description confirms a read-only retrieval by describing what is returned. It adds value by specifying the return content (ids and allowed values), but does not disclose other behavioral aspects such as error conditions or configuration applicability. No contradiction with annotations.

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?

A single, concise sentence that front-loads the core concept with no wasted words. It efficiently states what the tool returns.

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?

For a simple read-only getter with fully documented parameters and a readOnly annotation, the description adequately explains the return content. Given no output schema, it could be slightly more explicit about the response structure, but it meets the essential needs.

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?

The input schema provides 100% description coverage for all three parameters, so the tool description adds no additional parameter-level meaning. Baseline 3 applies.

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 identifies the resource (configuration parameters of an element) and the kind of information returned (ids and allowed values). It is distinct enough from siblings like onshape_encode_configuration, though it does not explicitly differentiate itself from them.

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 such as onshape_encode_configuration or onshape_get_features. The purpose implies a use case, but there is no explicit context, prerequisites, or exclusions.

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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