Vinv vs Skill Check

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

Vinv compared with Skill Check
Detail	Vinv	Skill Check
What it does	Tools and algorithms for AI agents to test, fix and optimize your codebase	AI agent skill readiness checker that grades paperwork and permissions
Stage	Not given	MVP
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Vinv is free and open source under the Apache 2.0 license.	Not given
Key features	Acceptance test verification before fix deployment One-click revert of all changes from a failed fix attempt	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
What makes it different	Provides real runtime evidence to AI agents instead of requiring them to guess or generate test cases Runs completely locally with zero code changes needed to the codebase Proves fixes work by re-executing against acceptance tests the agent never sees Works with any AI coding agent without requiring new subscriptions or API keys Uses published scientific methods for each decision, with full math and attribution transparency	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	2 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	13	0
Referring domains (Majestic)	39	0

4 details filled in for both companies.

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