Specialized skill for building production-ready serverless applications on AWS. Covers Lambda functions, API Gateway, DynamoDB, SQS/SNS event-driven patterns, SAM/CDK deployment, and cold start...

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Build production-ready Express.js servers with middleware, authentication, routing, and database integration. Use when creating REST APIs, managing requests/responses, implementing middleware...

Use when implementing any feature or bugfix, before writing implementation

Configure HUD display options (layout, presets, display elements)

Use when implementing any feature or bugfix, before writing implementation code - write the test first, watch it fail, write minimal code to pass; ensures tests actually verify behavior by...

Use when implementing any feature or bugfix, before writing implementation code - write the test first, watch it fail, write minimal code to pass; ensures tests actually verify behavior by...

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code

Use when implementing any feature or bugfix, before writing implementation code