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Aws serverless

Skill dkmqflx/claude-tools/.claude/skills/aws-serverless

Install
npx -y skills add dkmqflx/claude-tools --skill aws-serverless

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What its author says it does

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Builds, deploys, manages, debugs, configures, and optimizes serverless applications on AWS using Lambda, API Gateway, Step Functions, EventBridge, and SAM/CDK. Covers cold starts, CORS debugging, event source mappings, troubleshooting, concurrency, SnapStart, Powertools, function URLs, EventBridge Scheduler, Lambda layers, Durable Functions, durable execution, checkpoint-and-replay, and production readiness. Use when the user mentions Lambda, API Gateway, Step Functions, SAM templates, CDK serverless stacks, DynamoDB stream triggers, SQS event sources, cold starts, timeouts, 502/504 errors, throttling, concurrency, CORS, Powertools, Durable Functions, durable execution, checkpoint-and-replay, or any event-driven architecture on AWS, even if they don't say "serverless." Do NOT use for EC2, ECS/Fargate containers, or Amplify hosting.

SKILL.md

3.9 KB, 681 tokens by cl100k_base, as published. Nobody here has run it

AWS Serverless

Overview

Domain expertise for building serverless applications on AWS. Covers Lambda configuration, API Gateway debugging, Step Functions orchestration, EventBridge patterns, event source mappings, concurrency tuning, cold start optimization, deployment with SAM/CDK, production readiness, and troubleshooting across all serverless services.

Works best with the AWS MCP server — enables running CLI commands, querying CloudWatch, and validating configurations directly. All guidance also works with standard AWS CLI access.

Note: Reference files contain specific runtime versions, quota values, and feature matrices that may change. When precision matters (e.g., deploying to production, choosing a runtime, or checking a quota), confirm values against current AWS documentation rather than relying solely on the values in these files.

Routing

User needAction
Building a new serverless appRead architecture.md for pattern selection, then deployment.md for SAM/CDK templates
Debugging an errorRead troubleshooting.md — starts with the 5 most common fixes
Optimizing performance or costRead lambda.md for cold starts and memory tuning, production.md for readiness checklist
Configuring event sources (SQS, DDB Streams, SNS)Read event-sources.md
Step Functions, EventBridge, or orchestrationRead orchestration.md
Concurrency configurationRead concurrency.md
API Gateway setupRead api-gateway.md
Common anti-patternsRead the anti-patterns section in production.md
Starting with PowertoolsUse powertools-handler.py as a template
Spans multiple areasRead the most specific reference first, then consult others as needed

Files

FileContent
lambda.mdRuntime, memory/CPU, cold starts, SnapStart, layers, containers
api-gateway.mdREST vs HTTP API, stages, auth, throttling, mapping
event-sources.mdSQS, DDB Streams, SNS, S3, Kinesis triggers
orchestration.mdStep Functions, EventBridge rules/pipes/scheduler
concurrency.mdReserved vs provisioned, scaling, ESM concurrency
architecture.mdPatterns, reference architectures, service selection
deployment.mdSAM/CDK resource types, globals, fast iteration
production.mdReadiness checklist, observability, anti-patterns
troubleshooting.mdError → cause → fix for all serverless services

What ships with it: 10 files

132.0 KB alongside SKILL.md, 1 of them executable

assets/

references/

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Skills are one crate of 327,132. Ordering is by how many stacks a row turns up in, so the top of any crate is what has actually been picked rather than what has the most stars.