CommitGuard

CommitGuard is a web app (with optional CLI) that blocks expensive cloud changes at the pull-request stage. It reads Terraform/CloudFormation/Kubernetes diffs, estimates monthly cost impact, and flags common waste patterns (oversized instances, missing autoscaling, unbounded log retention, NAT gateway sprawl, cross-AZ data transfer surprises). It then enforces policy-as-code checks in CI (GitHub Actions/GitLab/Jenkins) so teams can’t merge changes that exceed budget thresholds without an explicit approval. This is an AI + traditional app: deterministic rules catch known issues, while an LLM explains the cost drivers in plain English and suggests cheaper alternatives (e.g., spot+fallback, Graviton, right storage class, reserved/commit options). It’s not a full FinOps platform; it’s a focused “shift-left” guardrail that reduces cloud bills by preventing bad infrastructure decisions from ever reaching production.