jeff-claude

Install and configure Prettier for JavaScript/TypeScript projects. Use when setting up a dev environment, fixing formatting issues, or asked to "install prettier", "configure prettier", or "set up code formatting".

Core principles and golden rules for writing production-quality Ansible automation, covering FQCN requirements, module selection guidance, and execution patterns using uv run.

Production-grade Ansible role structure patterns for directory layout, variable organization (defaults vs vars), handlers, and task organization, derived from analysis of 7 geerlingguy production roles.

Build scalable design systems with Tailwind CSS v4, design tokens, component libraries, and responsive patterns. Use when creating component libraries, implementing design systems, or standardizing UI patterns.

Configure or update Go projects with opinionated best practices using Go modules, golangci-lint, and built-in testing. Use when a repo should contain a Go project with modern tooling, idiomatic Go code, and 80% test coverage requirements.

Configure or update Python projects using uv, ruff, and pytest with opinionated best practices. Use when a repo should contain a Python project with modern tooling, PEP standards, and 80% test coverage requirements.

Configure or update Node.js TypeScript projects with opinionated best practices. Use when a repo should contain a TypeScript project (backend, CLI, library) with modern tooling, strict type checking, and testing requirements.

Install or update the Angular CLI to the latest version globally. Use when setting up a dev environment, ensuring Angular CLI is current, generating new projects, or when asked to "install Angular", "update Angular", "setup Angular", or "create a new Angular app".

Configure Dependabot to keep Ansible Python tooling (ansible, ansible-lint) up to date via the uv ecosystem. Covers what Dependabot can and cannot automate for Ansible projects.

Implements robust error handling in Ansible using block/rescue/always patterns, retry logic with until/retries, and clear assertion patterns for graceful failure management.

Techniques for writing truly idempotent Ansible tasks using changed_when, failed_when, and check-before-create patterns to eliminate spurious "changed" reports.

Patterns for designing well-structured, maintainable Ansible playbooks with state-based (present/absent) design, play organization, and proper variable scoping.

Configure or update AWS CDK TypeScript projects with an opinionated layout, required dependencies, scripts, and .env usage. Use when a repo should contain a CDK project. CDK app code should live in a `cdk/` folder off the root of the project with strict dependency and file structure conventions.

Install the latest LTS (Long Term Support) version of Node.js using nvm (Node Version Manager). Use when setting up a dev environment, fixing Node.js version issues, or asked to "install node", "update node", or "set up nvm".

Shell scripting and Bash programming patterns

Scaffold Netlify deployment for an Angular SPA project. Generates netlify.toml, a Makefile deploy target, and a GitHub Actions workflow. Use when asked to "deploy to Netlify", "set up Netlify for Angular", or "add Netlify CI/CD".

Resolve all open Dependabot PRs by consolidating updates into a single feature branch, with ecosystem-specific ordering rules. Use when asked to "resolve dependabot PRs", "batch dependabot updates", or "consolidate dependabot issues".

Build 2D browser games with Phaser 3. Use for scene architecture, physics (Arcade/Matter), spritesheet loading, tilemap integration, input handling, animations, and performance optimization. Covers TypeScript patterns and common pitfalls.

Integrate AWS Cognito authentication into an Angular app using AWS Amplify v6. Implement an auth guard, auth service, and use the Cognito hosted UI for login. Use when setting up authentication for an Angular project with AWS Cognito, or when asked to "add login" or "integrate AWS Cognito" in an Angular app.

Install and configure Dependabot for automated dependency updates in the project. Use when setting up a new dev environment, repository, adding dependency management, or asked to "install dependabot" or "set up automated updates".