Overview
Taste Lab and Adam CAD Copilot are two AI-powered tools that serve very different purposes. Taste Lab is an open-source CLI tool that reverse-engineers the design taste of any website, producing a complete design map and taste DNA for AI agents. Adam CAD Copilot is a commercial AI CAD assistant that integrates natively with Onshape and Autodesk Fusion, helping mechanical engineers edit parts, optimize feature trees, and parametrize models using natural language prompts.
Feature Comparison
| Feature | Taste Lab | Adam CAD Copilot |
|---|---|---|
| Primary Function | Reverse-engineers design taste from any URL | AI CAD copilot for part editing and feature tree optimization |
| Target User | Designers, front-end developers, AI agent users | Mechanical engineers, hardware teams, CAD users |
| Integration | CLI with AI agents (Claude Code, Gemini CLI); outputs rules files for Cursor, Windsurf, Copilot, etc. | Native extensions for Onshape and Autodesk Fusion |
| Output | .md design map + .json taste principles (colors, typography, spacing, reasoning) | Direct CAD edits, feature tree changes, parametric updates |
| AI Approach | Four-agent pipeline: Extract, Detect, Infer, Observe | Prompt-driven CAD actions with selection context awareness |
| Setup | Clone GitHub repo, install Playwright MCP, run via CLI | Install as extension/add-in for Onshape or Fusion |
| Customization | Highly configurable via agent prompts and rules files | Limited to CAD-specific workflows; customization via prompts |
| Free Tier | Open-source and free | Not specified; likely paid or freemium |
Pricing
Taste Lab is completely free and open-source. You only need your own AI agent (e.g., Claude Code or Gemini CLI) and Playwright MCP, which are also free or have usage-based costs depending on your API usage.
Adam CAD Copilot pricing is not publicly listed on their website. As a commercial CAD extension, it likely requires a subscription or one-time purchase. Users also need a separate subscription for Onshape or Autodesk Fusion.
Pros and Cons
Taste Lab
Pros:
- Free and open-source
- Produces detailed, actionable design tokens and rationale
- Integrates with multiple AI coding tools (Cursor, Windsurf, Copilot, etc.)
- Four-agent pipeline ensures high-quality, filtered output
- No vendor lock-in; works with your own AI agent
Cons:
- Requires CLI and Playwright setup; not beginner-friendly
- Only analyzes web pages; no direct design tool integration
- Output is static files; no live editing capability
- Steep learning curve for non-developers
Adam CAD Copilot
Pros:
- Native integration with Onshape and Fusion
- Directly edits CAD models from natural language prompts
- Selection context awareness for precise, context-sensitive changes
- Feature tree optimization and parametrization
- Designed specifically for mechanical engineering workflows
Cons:
- Limited to CAD tools; no web design analysis
- Pricing unclear; likely not free
- Requires a CAD subscription (Onshape/Fusion) separately
- Less transparent about AI methodology and output
- Narrower use case than general design analysis
Verdict
Choose Taste Lab if you need to reverse-engineer a website's design system for your AI agent β it's free, open-source, and produces rich design tokens and rationale. Choose Adam CAD Copilot if you're a mechanical engineer who wants AI assistance directly inside Onshape or Fusion for part editing, feature tree cleanup, and parametrization. They serve completely different domains: web design analysis vs. CAD modeling.

