Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
Official Shieldly MCP server: analyzeiampolicy and analyzecloudformationtemplate tools flag AWS IAM privilege-escalation paths, wildcards, and over-permissive access. Free demo mode, no signup or API key needed. npx -y @shieldly/mcp.
Open-source AWS security scanner with attack chain detection, breach cost estimation, and copy-paste remediation (CLI + Terraform). 47 checks, 16 attack chain rules. First free standalone AWS security MCP server.