Overview
Taste Lab and Slashy are two AI-powered tools that solve very different problems. Taste Lab is an open-source CLI tool that reverse-engineers the design taste of any website, outputting a complete design map and taste DNA for use by AI agents. Slashy is an AI-native email client that drafts replies in your voice, triages your inbox, and integrates with your calendar and CRM to save you time on email.
Feature Comparison
| Feature | Taste Lab | Slashy |
|---|---|---|
| Primary Function | Reverse-engineers design taste from any URL | AI email assistant that drafts, triages, and follows up |
| Target User | Designers, developers, AI agent builders | Busy professionals, salespeople, email-overwhelmed users |
| Core Output | .md design map + .json taste DNA (4 principles) | Drafted emails, inbox summaries, reminders, meeting prep |
| AI Integration | Works with Cursor, Windsurf, Claude Code, Gemini CLI via MCP | Built-in AI; accessible via iMessage, Slack, web |
| Setup | Requires cloning repo + Playwright MCP (moderate technical skill) | Simple sign-up and connect email/calendar (low barrier) |
| Platform | CLI (terminal) | Web app + mobile extensions |
| Pricing | Free (open-source) | Likely subscription (not specified) |
Pricing
Taste Lab is completely free and open-source. You only need to clone the GitHub repository and install Playwright MCP (one-time download of Chromium ~100MB). There are no usage limits or subscription fees.
Slashy does not have publicly available pricing from the provided data. As an AI email assistant with similar capabilities to tools like Superhuman or SaneBox, it likely follows a freemium or subscription model, typically ranging from $10 to $30 per month for individual users.
Pros and Cons
Taste Lab
Pros:
- Deep, structured design analysis with exact measurements (px, hex, ratios) and reasoning behind every choice.
- Open-source and free with no usage limits.
- Integrates seamlessly with popular AI coding tools (Cursor, Windsurf, Claude Code, Gemini CLI).
- Output is both machine-readable (JSON) and human-readable (Markdown).
- Teaches design principles and trade-offs, not just tokens.
Cons:
- Requires technical setup (CLI, MCP, Playwright) — not for non-developers.
- Limited to design analysis; no broader productivity features.
- Output quality depends on the target website's design quality.
- No graphical user interface; purely command-line.
Slashy
Pros:
- Saves time by automating email drafting, triage, and follow-ups.
- Learns your writing voice and workflow over time.
- Multi-platform access (iMessage, Slack, web) for on-the-go use.
- Integrates with calendar, CRM, and meeting notes for context-aware assistance.
- Low setup barrier for non-technical users.
Cons:
- Pricing likely subscription-based; may be costly for heavy users.
- Privacy concerns: AI reads your email and calendar data.
- May not handle complex or nuanced email threads as well as a human.
- Dependence on internet connectivity and third-party servers.
- Limited to email/productivity; no design or development features.
Verdict
Taste Lab is the clear choice for developers and designers who want to reverse-engineer and learn from any website's design system, especially when building AI agents. Slashy is better for busy professionals who need to reclaim time from email overload. They serve entirely different needs — one is a design analysis tool, the other a productivity assistant. Choose based on your primary pain point: design inspiration or inbox management.
Slashy
Taste Lab