Backend skills

This skill guides stub-driven TDD and layer boundary testing for functional core and edge, helping you write tests before implementing.

This skill helps you explore and interact with the X API v2 by guiding resource and operation navigation across endpoints.

This skill helps design features using domain-driven design and hexagonal architecture, aligning functional core and edge components for clear responsibilities.

This skill helps you validate security features before deployment by testing CSRF, rate limiting, input validation, and security headers.

This skill helps you integrate with the Shopify Admin API by guiding resource and operation usage for apps and integrations.

This skill helps you design and manage durable Python Temporal workflows, activities, and retries with practice-ready patterns.

This skill helps you secure API routes from cross-site attacks by implementing CSRF protection with token validation.

This skill helps you identify and remediate race conditions, integer overflows, and calculation errors in AI-generated JavaScript code to secure business logic.

This skill lets you read, search, and send Slack messages across multiple workspaces with explicit send-confirmation before posting.

This skill helps you implement stub-driven TDD and layer boundary tests for Python applications using pytest.

This skill analyzes AI-generated code to identify and explain injection vulnerabilities such as SQL injection, command injection, and XSS, with secure

This skill helps you design and query DynamoDB single-table schemas with dynamodb-toolbox v2 in TypeScript, boosting type safety and performance.

This skill helps you implement secure access control with RBAC, ownership checks, permissions, and testing templates for robust authorization.

This skill helps you implement OCI GenAI inference, manage tokens and rate limits, and ensure PHI/PII safety with compliant validation.

This skill helps you set up and manage a Python monorepo with uv workspaces, ensuring consistent dependencies and cross-package collaboration.

This skill helps you manage project todos via a REST API, enabling create, view, update, delete and project-wide listings.

This skill provides quick, secure templates for common features using existing utilities, enabling fast, safe implementations like contact forms and public

This skill generates and configures security HTTP headers for web apps, helping prevent XSS, clickjacking, and MITM attacks.

This skill helps you generate property-based tests for Python, JavaScript/TypeScript, or Haskell using Hypothesis, fast-check, or QuickCheck.

This skill helps you model complex domain logic with TypeScript using discriminated unions, Result/Option, and branded types for safer code.

This skill helps you design resilient cloud-native systems using Vogels principles, emphasizing failure handling, eventual consistency, and API-driven