All work

Threats I hunted

AgentBaiting

IslandSupply chain2026

The largest documented list of malicious AI skills and MCP servers — planted where coding agents look, so the assistants themselves would hand malware to developers.

~1,000
malicious skills & MCP servers · the largest documented list
7,600
malicious GitHub repos in the wider operation
14M+
downloads mapped

The newest supply chain doesn’t target people — it targets the agents people trust. We found an operation seeding GitHub with fake skills and MCP servers, tuned to be recommended by AI assistants.

We mapped almost a thousand of them — the largest documented list to date — along with the thousands of repos and identities behind the wider operation, and showed the major assistants confidently serving them up.

SubdoMailing & EchoSpoofing