We Built a VS Code Extension That Triple-Checks AI-Generated Code for Security Vulnerabilities

Studies show roughly 40% of AI-generated code contains at least one exploitable vulnerability. We accept Copilot suggestions with a quick Tab press and move on. But who's checking the code your AI writes? That's why I built CodeVigil, a VS Code extension that scans your code for security vulnerabilities in real time, right inside your editor. How It Works CodeVigil uses a three-layer scanning approach: Regex pattern matching catches common vulnerability signatures AST structural analysis understands code context and data flow GitHub Copilot LLM verification reasons about whether a finding is a real risk This triple-check approach catches issues that single-pass scanners miss. Findings show up as native VS Code diagnostics, just like TypeScript errors or ESLint warnings. What You Get 100+ vulnerability patterns across 10 languages (JS/TS, Python, Java, C#, Go, PHP, Ruby, C/C++, Kotlin) Copilot Chat integration with @codevigil for natural-language security questions Local CVE database wi