I built 8 security layers for an MCP marketplace. Here's what each one actually catches.

Short summary

After a real trojan (Win64/Lazy.PGPK) slipped through an MCP marketplace hidden in a nested zip, the author built 8 security layers running in production: metadata scanning, static analysis with Semgrep-equivalent rules, recursive zip inspection for binaries and obfuscated payloads, YARA rules for specific malware families, a WAF with SQLi/XSS/SSRF detection, honeypot paths with auto-ban, real-time IOC feeds, and more. Each layer catches specific attack vectors with concrete examples of what it detects and misses.

• •8 security layers for MCP marketplaces after a real trojan incident
• •Layers include metadata scanning, static analysis, recursive zip inspection, YARA malware rules, WAF, and honeypots
• •Recursive zip inspection specifically catches the trojan that bypassed initial metadata-only checks

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