Pre-scored grades
MCP Server Security Directory
Security grades for servers found in the official MCP registry and mcpservers.org: 1572 tracked, 1571 scanned so far. Coverage is partial and taken in discovery order, not sampled randomly. 257 servers whose endpoint no longer answers are left out of these figures.
Trust
A 92B 693C 499D 142F 145
Capability
low 500high 127critical 45unknown 899
Trust grades how a server is built and run. Capability describes what its tools can reach, and is reported rather than penalised.