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Use This Skill vs Build Stack Tools

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

Use This Skill compared with Build Stack Tools
DetailUse This Skill logo Use This SkillBuild Stack Tools logo Build Stack Tools
What it doesA directory of AI agent skills with side-by-side proof of what each skill actually does An early-access directory of AI tools for builders and vibe coders
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Freemium
PricingFree: all skills, proofs, safety scan, GitHub check, and public repository scanning. Team: $29 a month per organization to scan private repositories on every pull request. Proofs: $49 per skill for authors and companies. Custom skill proof: $499. Sponsored proof: from $499. Directory listings are free. Sponsorship: first 30 days free, then $49/month for founding sponsors (limited to 10), or $149/month standard price.
Key features
  • 2,000+ indexed agent skills from 45 source repositories
  • 29 skills with proven side-by-side proofs
  • Each proof shows three runs with and without the skill on the same task
  • Safety scan for dangerous patterns before installation
  • One-line install command for each skill
  • Public repository scanning via CLI and GitHub Action
  • MCP connector for Claude, Claude Code and Cursor
  • Private repository scanning for teams on pull requests
  • Skills refreshed weekly from source repositories
  • Plain-English search for AI tools
  • Browse by category
  • Free tool listings
  • Descriptions checked against public pages
  • 597 hand-picked tools
  • No sign-in required
  • Sponsored placement cards
What makes it different
  • Every proof records the exact model and skill version for reproducibility
  • Safety scanning built in to check all skills for dangerous patterns
  • All proofs, skills and basic features free to search and use
  • Hand-picked curated catalog of 597 AI tools
  • Descriptions verified against vendors' public pages
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)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)220
Referring domains (Majestic)30

5 details filled in for both companies.

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