I built 8 security layers for an MCP marketplace. Here's what each one actually catches.
7.8 relevance
Score Breakdown
technical depth 8
novelty 8
actionability 8
community 5
strategic 7
personal 10
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Security layers for an MCP marketplace is novel and directly relevant to MCP and platform engineering.
Summary
After a real trojan (Win64/Lazy.PGPK!MTB) slipped through a nested zip, an MCP marketplace implemented 8 security layers including metadata checks, Semgrep/OSV scanning, recursive binary detection, YARA malware signatures, a WAF with 40 rules, honeypots, rate limiting, and canary tokens. Each layer catches specific attack vectors like prompt injection, hardcoded secrets, command injection, and known malware families, with auto-ban mechanisms for repeat offenders.