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Skill Check vs Rystic

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

Skill Check compared with Rystic
Detail Skill CheckRystic logo Rystic
What it doesAI agent skill readiness checker that grades paperwork and permissions Realistic API simulators for training and testing
StageMVP Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFree Freemium
PricingNot given Free: $0 with GitHub, Linear and Slack simulators, 10 free hours per month. Pro: $89.99 per seat per month with full catalog, $100 usage credit per seat, $0.012 per simulator-minute after credit. Enterprise: custom pricing.
Key features
  • 13 rule-based checks on agent skills
  • Scans permissions, credentials, endpoints and data handling
  • Reads linked files up to 2 levels deep
  • Completes scan in about 10 seconds
  • No sign-up required
  • Reads sites like ChatGPT and Claude do
  • Slack simulator
  • GitHub simulator
  • Stripe simulator
  • Kalshi simulator
  • Verified against live APIs
  • Latency and fault injection
  • Settable state
  • Local and CI execution
  • Verified UIs
What makes it different
  • Only free tool that checks AI agent skill paperwork before installation
  • Uses the same reading methods as leading AI assistants
  • Instant results with 13 standardized checks
  • Validated against real APIs daily with published accuracy percentages
  • Stateful simulators that maintain state across calls
  • Local execution with no rate limits
  • Supports 20+ API integrations including Stripe, GitHub and Slack
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check2 no change since last check
Trust Flow (Majestic)013
Citation Flow (Majestic)030
Referring domains (Majestic)041

4 details filled in for both companies.

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