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UXKIN vs Harness Kit

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

UXKIN compared with Harness Kit
DetailUXKIN logo UXKINHarness Kit logo Harness Kit
What it doesReal UI design references for coding agents A harness-agnostic framework for AI coding tools
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Open source
PricingNot given Not given
Key features
  • 500,000+ real UI screens
  • DESIGN.md documentation for every web design pack
  • Agent SDK integration
  • Save references to collections
  • Works with Claude, Cursor, Codex and Windsurf
  • Free public library browsing
  • Configure plugins, skills, MCP servers, and hooks in a single harness.yaml file
  • Observatory: monitor every session, tool call, and minute of activity
  • Memory: persistent knowledge graph for AI orientation
  • Comparator: run prompts across Claude Code, Cursor, and Copilot side by side
  • Import existing configs from multiple AI coding tools automatically
  • Share complete setup via single file with teammates
  • Harness Parity: verify all connected AI tools end up with identical configuration
  • Cross-harness compatibility table showing actual tool capabilities
What makes it different
  • Real UI, not AI slop
  • DESIGN.md documentation with colors, typography and implementation notes
  • Lifetime access option with one-time payment
  • Direct integration with MCP clients
  • Import-first approach: reads existing configs from all your tools and converges them before you write YAML
  • No marketing gloss: capability table generated at build time from actual adapter code, not hand-maintained
  • Portable across tools: single harness.yaml travels with you to every machine and tool
  • Open source and free: no cost beyond existing Claude subscription
  • Based on open specification: Harness Protocol is vendor-neutral and JSON Schema validated
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)7 +1 (up) since last check16 no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)2920
Referring domains (Majestic)2011

4 details filled in for both companies.

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