AgentSeal Scanned 1,808 MCP Servers. Two-Thirds Had Findings — and the Worst Class Can't Be Scanned in Isolation.
A May 2026 scan of 1,808 public MCP servers surfaced 8,282 security findings across 16,840 tools. The headline number is that 66% of servers had findings — but the more important result is the toxic-data-flow pattern, a class of risk that no single-server scanner can see.
