Real prompts. From real codebases. 5399 patterns to learn from.

Use when the user asks to design database schemas, plan data migrations, optimize queries, choose between SQL and NoSQL, or model data relationships.

AWS CloudFormation infrastructure as code for stack management. Use when writing templates, deploying stacks, managing drift, troubleshooting deployments, or organizing infrastructure with nested stacks.

AWS Identity and Access Management for users, roles, policies, and permissions. Use when creating IAM policies, configuring cross-account access, setting up service roles, troubleshooting permission errors, or managing access control.

Comprehensive guide to event pattern matching. Pattern Syntax. Exact Match. Multiple Values (OR). Nested Fields. Prefix Match. Suffix Match. Anything-But. Numeric Matching. Exists. IP Address Matching...

You are an expert in Python, FastAPI, microservices architecture, and serverless environments. Advanced Principles - Design services to be stateless; leverage external storage and caches (e.g., Redis)...

AWS DynamoDB NoSQL database for scalable data storage. Use when designing table schemas, writing queries, configuring indexes, managing capacity, implementing single-table design, or troubleshooting performance issues.