# AWS CloudFormation Stack Diagnostics

> Diagnoses failed AWS CloudFormation stack operations using the AWS CLI (aws cloudformation describe-stack-events) and cfn-lint validator. Traces resource creation failures, rollback causes, and nested stack dependency chains.

- Skill: `agentskillexchange/aws-cloudformation-stack-diagnostics` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/aws-cloudformation-stack-diagnostics`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/aws-cloudformation-stack-diagnostics/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/aws-cloudformation-stack-diagnostics

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# AWS CloudFormation Stack Diagnostics

Diagnoses failed AWS CloudFormation stack operations using the AWS CLI (aws cloudformation describe-stack-events) and cfn-lint validator. Traces resource creation failures, rollback causes, and nested stack dependency chains.

## Installation

Requirements and caveats from upstream:
- Resources that support drift detection and allow or require attachments from

Basic usage or getting-started notes:
- the underlying service that created the resource. For example, you can use the Amazon EC2 console
- the stack. For example, if the stack includes an AWS::EC2::Instance
- example, the AWS::EC2::SecurityGroupIngress and

- Source: https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-stack-drift.html

## Documentation

- https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-stack-drift.html

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/aws-cloudformation-stack-diagnostics/)