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Skill Check vs Seaworthy

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 Seaworthy
Detail Skill CheckSeaworthy logo Seaworthy
What it doesAI agent skill readiness checker that grades paperwork and permissions Security checks for AI-built apps before launch
StageMVP Not given
FoundedNot given Not given
Based inNot given GB
Pricing modelFree Freemium
PricingNot given Free: All checks, terminal and JSON output, exit codes for CI. Pro: £99/year or £12/month, includes HTML reports, scan history, comparison features, priority support, 2 machines. Agency: £349/year, includes white-label reports, scan multiple projects in one report, 10 machines.
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
  • Detects leaked secrets including API keys, passwords, and LLM keys in browser code
  • Checks database and storage security including row-level security policies and open Firestore rules
  • Identifies API route and payment vulnerabilities including missing auth checks and unverified webhooks
  • Detects AI and agent security issues including system prompt injection and unsafe model output rendering
  • Scans dependencies for known vulnerabilities using OSV database
  • Runs entirely locally with code never leaving your machine
  • Works offline and integrates with CI pipelines using environment variables
  • Provides fix suggestions and AI-ready prompts for each finding
  • Supports multiple frameworks including Next.js, React, Vue, Svelte and platforms like Supabase, Firebase, Stripe
  • Generates shareable HTML reports and tracks scan history with Pro plan
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
  • Designed specifically for security gaps that AI coding tools create
  • Code never leaves your machine, with zero uploads required
  • Low false alarms through context-aware checking of actual code behavior
  • Free tier includes all core checks with no limitations
  • Source-available license with code readable on GitHub
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)00
Referring domains (Majestic)00

4 details filled in for both companies.

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