A security scanner as fast as a linter, written in Rust. Scans your code on every save and shows findings as underlines.
Features
- Scans on file save and open — instant feedback
- Status bar shows finding count
- Supports JS/TS, Python, Go, Ruby, Java, PHP, Rust, C#, Swift, Kotlin, Haskell
- Critical/High → red underline, Medium → yellow, Low → blue
- Rule IDs link to documentation
- Workspace scan via command palette or
Cmd+Shift+G
Requirements
foxguard must be installed:
curl -fsSL https://foxguard.dev/install.sh | sh
# or
npm install -g foxguard
# or
cargo install foxguard
The extension auto-detects foxguard from PATH, or falls back to npx.
Settings
| Setting | Default | Description |
|---|---|---|
foxguard.path |
(auto) | Custom path to foxguard binary |
foxguard.severity |
low |
Minimum severity to display |
Commands
| Command | Shortcut | Description |
|---|---|---|
| foxguard: Scan Current File | Cmd+Shift+G |
Scan the active file |
| foxguard: Scan Workspace | Scan the entire project |