jarvis-onshape-mcp: Claude Code plugin for driving real Onshape CAD

by ReshefElisha · MCP Server · ★ 175

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How to install jarvis-onshape-mcp

/plugin install github:ReshefElisha/jarvis-onshape-mcp
git clone https://github.com/ReshefElisha/jarvis-onshape-mcp

Taken from the project's README on GitHub.

Security audit verdict: SAFE · quality 68/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours.

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

Quick Facts

Stars175
Forks38
LanguagePython
CategoryMCP Server
Quality Score68/100
Open Issues19
Last Updated2026-04-22
Created2026-04-17
Platformsclaude-code, mcp, python
Est. Tokens~1286k

About jarvis-onshape-mcp

Jarvis Onshape MCP Claude Code plugin that lets Claude drive real Onshape CAD: sketches, extrudes, fillets, mates, parametric iteration via Variable Studios, custom FeatureScript features. Every mutating tool returns a structured truth: what changed, what warnings the regenerator raised, and hints for the next move.

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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