Paste your system prompt below and score it against five injection-resistance dimensions. No API calls — analysis runs entirely in your browser.
Your prompt never leaves this browser. All analysis runs locally in JavaScript. Verify in DevTools → Network tab. This is a heuristic score, not a substitute for professional red-teaming.
Paste a system prompt and click "Analyze prompt" to see your score.
We test against 200+ live attack vectors — not just keyword heuristics.