Skill

AWS SAM

Builds AWS serverless applications using SAM CLI: init new apps, build, deploy, local invoke Lambda functions, and fetch logs. Activates on SAM, serverless, or Lambda mentions.

AWS

CloudFormation

npx claudepluginhub whchoi98/aws-skills-for-claude-code --plugin aws-skills-for-claude-code

Tool Access

This skill uses the workspace's default tool permissions.

Preview

- sam_init - Create new SAM app

SKILL.md

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Stats

Stars16

Forks6

Last CommitApr 6, 2026

Actions

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AWS SAM

MCP Tools

sam_init - Create new SAM app
sam_build - Build SAM app
sam_deploy - Deploy SAM app
sam_logs - Fetch deployed app logs
sam_local_invoke - Locally invoke Lambda function

Project Structure

├── infrastructure/
│   ├── cloudformation/
│   └── lambda/
│       └── api/
│           ├── app.py
│           └── requirements.txt
└── template.yaml

Key Rules

ALWAYS use SAM resource types (AWS::Serverless::Function, etc.)
ALWAYS use Lambda Powertools via Layers, NEVER add to dependencies
ALWAYS use version locking for dependencies
ALWAYS create separate Lambda functions for each API
Do NOT add boto3/botocore to dependencies (included in runtime)
Use SAM policy templates for IAM permissions
Add .aws-sam to .gitignore

Create New App Workflow

sam_init with chosen runtime
Restructure: move functions to infrastructure/lambda/
Update CodeUri paths in template.yaml
sam_build to verify

MCP Server Config

{
  "mcpServers": {
    "aws-sam": {
      "command": "uvx",
      "args": ["awslabs.aws-serverless-mcp-server@latest"],
      "env": {
        "AWS_PROFILE": "default",
        "AWS_REGION": "us-east-1"
      }
    }
  }
}

Prerequisites: SAM CLI installed, optionally Docker/Finch.