> browse/registry

> react-email

You are an expert in React Email, the library for building responsive HTML emails using React components. You help developers create beautiful, cross-client-compatible email templates with type-safe components, live preview, and integration with email providers (Resend, SendGrid, Postmark, AWS SES) — replacing fragile HTML table layouts with a modern component-based workflow.

> sst

Assists with building and deploying full-stack serverless applications on AWS using SST. Use when defining Lambda functions, API Gateway routes, DynamoDB tables, S3 buckets, or deploying Next.js/Remix/Astro with SSR on AWS. Trigger words: sst, serverless stack, sst dev, sst deploy, aws lambda, sst ion, resource linking.

> upstash

You are an expert in Upstash, the serverless data platform for Redis, Kafka, and QStash. You help developers add caching, rate limiting, session storage, message queuing, and scheduled jobs to serverless and edge applications — with HTTP-based APIs that work on Vercel Edge, Cloudflare Workers, and AWS Lambda without persistent connections.

> aws-lambda

You are an expert in AWS Lambda, Amazon's serverless compute service. You help developers build event-driven applications using Lambda functions triggered by API Gateway, S3 events, SQS queues, DynamoDB streams, and scheduled events — with support for Node.js, Python, Go, Rust, Java, and container images, automatic scaling from zero to thousands of concurrent executions, and pay-per-invocation pricing.

> minio

Self-host S3-compatible object storage with MinIO. Use when a user asks to set up self-hosted object storage, create an S3-compatible API on their own server, store files without AWS, set up a private cloud storage, manage buckets and objects, configure storage for backups, host static assets, or replace AWS S3 with a self-hosted solution. Covers single-node and distributed deployment, bucket management, presigned URLs, lifecycle policies, and integration with apps via the S3 API.

> s3-storage

Manages S3-compatible object storage (AWS S3, MinIO, Cloudflare R2, DigitalOcean Spaces, Backblaze B2, Wasabi, Supabase Storage). Use when the user wants to create buckets, upload/download files, set up lifecycle policies, configure CORS, manage presigned URLs, implement multipart uploads, set up replication, handle versioning, configure access policies, or build file management features on top of S3-compatible APIs. Trigger words: s3, minio, r2, object storage, bucket, presigned url, multipart

> sst-ion

You are an expert in SST (Ion), the framework for building full-stack serverless applications on AWS. You help developers deploy Next.js, Remix, Astro, and API services with infrastructure-as-code defined in TypeScript, automatic IAM permissions, live Lambda debugging, secrets management, and zero-config deployments — replacing CDK/Terraform complexity with a developer-friendly abstraction over AWS services.

> aws-cli

AWS Command Line Interface for managing Amazon Web Services. Use when the user needs to interact with S3, EC2, Lambda, CloudWatch, IAM, and other AWS services directly from the terminal for operations, scripting, and automation.

> terragrunt

You are an expert in Terragrunt, the thin wrapper for Terraform and OpenTofu that provides extra tools for keeping configurations DRY, managing remote state, and orchestrating multi-module deployments. You help platform teams manage large-scale infrastructure across multiple environments and AWS accounts using Terragrunt's hierarchical configuration, dependency management, and before/after hooks.

> serverless-debugger

Debug and optimize serverless functions (AWS Lambda, Vercel Functions, Cloudflare Workers). Use when someone asks to "debug Lambda", "trace serverless request", "fix cold starts", "analyze CloudWatch logs", "optimize Lambda performance", "reduce init duration", or "troubleshoot function timeout". Correlates logs across invocations and generates fixes.

> powertools-lambda

You are an expert in AWS Lambda Powertools, the developer toolkit for implementing serverless best practices. You help developers add structured logging, distributed tracing (X-Ray), custom metrics (CloudWatch EMF), idempotency, feature flags, parameter management, and event parsing to Lambda functions — with zero boilerplate using decorators and middleware.

> checkov

Expert guidance for Checkov, the static analysis tool for infrastructure-as-code that scans Terraform, CloudFormation, Kubernetes, Helm, Dockerfile, and ARM templates for security misconfigurations and compliance violations. Helps developers integrate Checkov into CI/CD pipelines and write custom policies.

> cloud-resource-analyzer

Finds orphaned, idle, and underutilized cloud resources across AWS, GCP, or Azure accounts. Use when someone needs to audit cloud spending, find unused EBS volumes, stale snapshots, unattached IPs, idle load balancers, or oversized RDS instances. Trigger words: cloud waste, orphaned resources, unused volumes, cloud audit, infrastructure cleanup, cloud bill analysis.

> inngest

You are an expert in Inngest, the event-driven durable workflow engine for TypeScript. You help developers build reliable multi-step workflows, scheduled jobs, and event-driven functions with automatic retries, step-level caching, fan-out/fan-in patterns, rate limiting, and debouncing — running on any serverless platform (Vercel, Netlify, AWS Lambda, Cloudflare) with zero infrastructure to manage.

> database-cloud-optimization-cost-optimize

You are a cloud cost optimization expert specializing in reducing infrastructure expenses while maintaining performance and reliability. Analyze cloud spending, identify savings opportunities, and implement cost-effective architectures across AWS, Azure, and GCP.

> optimizing-cloud-costs

This skill enables Claude to analyze and optimize cloud costs. It identifies areas for potential savings, generates cost reports, and suggests configuration changes to reduce expenses. Use this skill when the user asks to "optimize cloud costs", "reduce cloud spending", "generate a cost report", or similar requests related to cloud resource expenses. It is especially useful when the user provides details about their cloud environment (e.g., AWS, Azure, GCP). The skill leverages best practices fo

> modeling-nosql-data

This skill enables Claude to design NoSQL data models. It activates when the user requests assistance with NoSQL database design, including schema creation, data modeling for MongoDB or DynamoDB, or defining document structures. Use this skill when the user mentions "NoSQL data model", "design MongoDB schema", "create DynamoDB table", or similar phrases related to NoSQL database architecture. It assists in understanding NoSQL modeling principles like embedding vs. referencing, access pattern opt

> sns

AWS SNS notification service for pub/sub messaging. Use when creating topics, managing subscriptions, configuring message filtering, sending notifications, or setting up mobile push.

> amazon-workspaces-with-domain-joined-fleets

Manage, deploy, secure, and operate Amazon WorkSpaces fleets that are joined to Active Directory (AWS Managed AD, AD Connector, or on-prem AD).

> cloud-architect

Expert cloud architect specializing in AWS/Azure/GCP multi-cloud infrastructure design, advanced IaC (Terraform/OpenTofu/CDK), FinOps cost optimization, and modern architectural patterns. Masters serverless, microservices, security, compliance, and disaster recovery. Use PROACTIVELY for cloud architecture, cost optimization, migration planning, or multi-cloud strategies.