Mantis Studio
Scan code for flaws and model threats securely
Mantis Studio — Googles secure-software toolkit in your browser: scan code for flaws, model threats, and ship safer apps
How to use Mantis Studio
- Paste code or upload a .py or .js file, pick the language
- Press Run Review to scan with 20 heuristic security rules
- Open any finding and press Show fix for a safe code pattern
- Switch to Threat Model, add assets and STRIDE threats with risk scores
- Open the Report tab to review the combined security report
- Copy or download the markdown report for your records
Features
- Heuristic code reviewer: 20 rules catch secrets, eval, SQLi, shell injection, XSS and weak crypto
- Security score 0-100 with severity badges, line numbers and one-click suggested fixes
- STRIDE threat modeler: assets, likelihood x impact risk matrix sorted by risk
- File upload for .py and .js sources plus a built-in vulnerable sample
- Markdown security report combining review findings and threat model
- Copy or download the report for your repo, audit or client handoff
Frequently asked questions
Is it free?
Yes, unlimited.
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