aws-well-architected-review

# AWS Well-Architected Review (WHAT) **Sources (2026-08-12):** Framework `https://docs.aws.amazon.com/wellarchitected/latest/framework/the-pillars-of-the-framework.html` + `https://docs.aws.amazon.com/wellarchitected/latest/framework/welcome.html` + `https://aws.amazon.com/architecture/well-architected/`; WAR Tool `https://docs.aws.amazon.com/wellarchitected/latest/userguide/getting-started.html`; MCP `awslabs/mcp` https://github.com/awslabs/mcp + `https://github.com/aws/mcp-proxy-for-aws` GA `https://aws.amazon.com/blogs/aws/the-aws-mcp-server-is-now-generally-available/`; servers `awslabs.core-mcp-server`, `awslabs.well-architected-security-mcp-server 0.1.3`, `awslabs.ecs-mcp-server 0.1.17` `uvx awslabs.*@latest` `AWS_PROFILE`/`AWS_REGION`. > **Provider hierarchy:** `official MCP` (`awslabs/mcp` family, `mcp-proxy-for-aws` GA) > `custom` prompts for **account-aware** ops (live context, auth via `AWS_PROFILE`/`AWS_REGION`); **prompts** (this skill checklist) remain fallback for offline/low-privilege/CI. See `docs/cloud/research-384-candidates.md`. ## When to use - Designing or reviewing workload on AWS against 6 pillars. - Running Well-Architected Review (WAR) without console Tool access. ## Instructions 1. **Run checklist** per pillar: operational excellence (runbooks, observability), security (IAM, encryption, least privilege), reliability (multi-AZ, backup, retry), performance (right-sizing, caching), cost (graviton, S3 lifecycle), sustainability (right-sizing, serv...