Prompt Guard v3.5.0

Advanced AI agent runtime security. Works 100% offline with 600+ bundled patterns. Optional API for early-access and premium patterns.

What's New in v3.5.0

Runtime Security Expansion — 5 new attack surface categories:

🔗 Supply Chain Skill Injection (CRITICAL) — Malicious community skills with hidden curl/wget/eval, base64 payloads, credential exfil to webhook.site/ngrok
🧠 Memory Poisoning Defense (HIGH) — Blocks attempts to inject into MEMORY.md, AGENTS.md, SOUL.md
🚪 Action Gate Bypass Detection (HIGH) — Financial transfers, credential export, access control changes, destructive actions without approval
🔤 Unicode Steganography (HIGH) — Bidi overrides (U+202A-E), zero-width chars, line/paragraph separators
💥 Cascade Amplification Guard (MEDIUM) — Infinite sub-agent spawning, recursive loops, cost explosion