The answer
io.github.elyngved/failmodes
Top verified match: it matches your intent, corroborated across multiple registries.
fresh · published 9d ago · verified 2026-07-11tested · static-verifiedsigned passport ✓score 41/100
claude mcp add failmodes -- npx -y failmodes-mcp
Runners-up
- failmodes-mcp8/100 · weaker match