Guide for contributing to the OpenAPI layer using processor pattern, complexity management, and functional programming. Use when adding endpoint factories, processors, parameter descriptions, reducing cyclomatic complexity, or fixing OpenAPI validation errors. Covers architecture patterns from user-service repository.

Build OpenCode plugins, agents, hooks, and tools. Use when creating, reviewing, or debugging OpenCode extensions. Covers plugin architecture, agent configuration, lifecycle hooks, custom tools, and distribution. Invoke PROACTIVELY when user mentions OpenCode plugins, agents, hooks, or wants to extend OpenCode functionality.

Specialized Preact development skill for standards-based web applications with native-first architecture and minimal dependency footprint. Use when building Preact projects, particularly those involving data visualization, interactive applications, single-page apps with HTM syntax, Web Components integration, CSV/JSON data parsing, WebGL shader visualizations, or zero-build solutions with CDN imports.

Guides modern Python project development. Use when pyproject.toml or requirements.txt is detected. Supports Python 3.13 + uv + ruff + mypy environment, FastAPI/FastMCP implementation, pytest, and Docker configuration.

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Strict guidelines for building UI components, pages, and layouts. Ensures adherence to brand-identity tokens, technical constraints, and performance standards.

Laravel framework patterns for PHP applications including Eloquent ORM, migrations, routing, queues, and Blade templates. Use when building Laravel applications or working with Laravel projects.

Python 3.11+ development with type hints, async patterns, FastAPI, and pytest. Use for backend services, CLI tools, data processing, and API development.

Defines coding standards, test patterns, and language conventions for this project. Use this when writing code, comments, documentation, or git commit messages.

Build persistent project knowledge using checkpoint/recall. Activates when fixing bugs, making decisions, or investigating past work. Creates automatic knowledge base through systematic checkpointing and semantic recall.

Personal development philosophy emphasizing experiment-driven, fail-fast approach. Activate when planning implementations, reviewing code architecture, making design decisions, or when user asks to apply development principles. Guides against over-engineering and towards solving real problems with simple solutions. (project, gitignored)

Development stack standards - five-level maturity model, dimension specs, assessment criteria, tool guidance

Development standards and best practices. Use when development standards guidance is required.

Development process rules for this project including testing, branching, and commit standards. Use when implementing features, fixing bugs, or making any code changes.

Modern development process patterns for shipping faster with higher quality

Establish and scale a Developer Experience (DevEx) program to remove engineering friction and boost productivity. Use this when setting up a new DevEx team, diagnosing why an engineering org has slowed down, or measuring the specific ROI of AI coding tools.

File naming conventions, directory structure, and YAML frontmatter standards for CC-DevFlow. Consolidates shared conventions from all agents.

Enforces TDD order in TASKS.md - Tests MUST be marked complete before Implementation tasks. Blocks violations in real-time.

End-to-end agent development process. Use when coordinating work, dispatching agents, or reviewing PRs.

Capture screenshots from iOS Simulators, physical iOS devices, or Android devices during development. Use this skill to inspect UI layouts, debug rendering issues, verify text/color display, or captur

Interact with iOS simulators and verify app behavior using xcobra

Use when substantive documents (reviews, analyses, synthesis documents) need adversarial review to strengthen arguments, identify weak points, and challenge assumptions before editorial polish (mandatory for Writer → Devil's Advocate pairing protocol)

Knowledge base for the Cadre DevKit. Use when answering questions about the devkit structure, commands, skills, hooks, agents, or workflows.

Expert DevOps engineer for CI/CD, IaC, Kubernetes, and deployment automation. Activate on: CI/CD, GitHub Actions, Terraform, Docker, Kubernetes, Helm, ArgoCD, GitOps, deployment pipeline, infrastructure as code, container orchestration. NOT for: application code (use language skills), database schema (use data-pipeline-engineer), API design (use api-architect).

DevOps, cloud infrastructure, and platform engineering. Use when working with AWS, GCP, Azure, Kubernetes, Terraform, CI/CD pipelines, or infrastructure as code.

devops-dx

Senior DevOps Engineer with expertise in CI/CD automation, infrastructure as code, monitoring, and SRE practices. Proficient in cloud platforms, containerization, configuration management, and building scalable DevOps pipelines with focus on automation and operational excellence.

Infrastructure maintainability verification covering naming conventions, formatting, DRY patterns, and version constraints.

DevOps patterns including CI/CD pipeline design, GitHub Actions, Infrastructure as Code, Docker, Kubernetes, deployment strategies, monitoring, and disaster recovery. Use when setting up CI/CD, deploying applications, managing infrastructure, or creating pipelines.

Use this skill when designing or reviewing CI/CD pipelines, deployment strategies, observability systems, incident response, or any system involving production operations and reliability. Applies operational thinking to specifications, designs, and implementations.

Expert DevSecOps engineer specializing in secure CI/CD pipelines, shift-left security, security automation, and compliance as code. Use when implementing security gates, container security, infrastructure scanning, secrets management, or building secure supply chains.

Guide for working with DevSpace, a Kubernetes development tool that automates building, deploying, and developing applications. Use when users need to create or modify devspace.yaml configuration files, build and deploy images to Kubernetes, manage multi-environment deployments with profiles, upload files to pods, or troubleshoot DevSpace workflows. Includes patterns for CI/CD integration, image tagging strategies, and secret management.

Toolkit para interagir e testar aplicações web locais usando Chrome DevTools MCP. Suporta verificação de funcionalidade frontend, debugging de UI, captura de screenshots, análise de performance, inspeção de network e visualização de logs do console.

This skill helps launch and configure the Chrome DevTools MCP server, giving Claude visual access to a live browser for debugging and automation. Use when the user asks to set up browser debugging, launch Chrome with DevTools, configure chrome-devtools-mcp, see what my app looks like, take screenshots of my web application, check the browser console, debug console errors, inspect network requests, analyse API responses, measure Core Web Vitals or page performance, run a Lighthouse audit, test button clicks or form submissions, automate browser interactions, fill out forms programmatically, simulate user actions, emulate mobile devices or slow networks, capture DOM snapshots, execute JavaScript in the browser, or troubleshoot Chrome DevTools MCP connection issues. Supports Windows, Linux, and WSL2 environments.

devup-api

Safely update Dex with one command (handles everything automatically)

Conventions and style guidelines for dgroomes' personal projects. Use when upgrading, maintaining, or creating projects in dgroomes' repositories. Covers README style, Gradle configuration, version catalogs, commit messages, and general code conventions.

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Write Ruby and Rails code following DHH's philosophy: **clarity over cleverness**, **convention over configuration**, **developer happiness** above all.

Manage tsyringe dependency injection container registration. Scans for injectable classes, detects missing registrations, validates injection patterns, and generates ready-to-use registration code.

Comprehensive diagnostic tool for troubleshooting OADP/Velero backup and restore problems with automated checks and recommendations.

Diagnoses failed Maestro cluster deployments by analyzing Helm releases, pod status, and resource conflicts

Read state.json and diagnose PR statuses, errors, stuck entries, and anomalies.

Collect and analyze OADP diagnostic data using oadp-must-gather to troubleshoot backup, restore, and deployment issues.

Use this skill when troubleshooting OpenStudio or EnergyPlus energy models that fail to simulate, have geometry errors (intersecting surfaces, non-planar surfaces, story organization issues), need HVAC validation against Engineer of Record specifications, require LEED Appendix G baseline generation, or need systematic diagnostics for complex commercial building models. Handles model triage, geometry rebuild decisions, EOR specification mapping, and quality assurance for LEED compliance.

Analyze TypeScript errors and provide detailed diagnostics with root cause analysis and specific fix recommendations

Run comprehensive system diagnostics including dependency checks, test suite execution, git status, and pipeline health verification. Use when troubleshooting issues, verifying system readiness, or preparing for a release.

Use for structured technical SEO audits, incident response, and validation.

This skill generates comprehensive diagram and MicroSim reports for the geometry course by analyzing chapter markdown files and creating table and detail reports. Use this skill when working with an intelligent textbook (specifically geometry-course) that needs updated visualization of all diagrams and MicroSims across chapters, including their status, difficulty, Bloom's Taxonomy levels, and UI complexity.

Creates Mermaid and ASCII diagrams for flowcharts, architecture, ERDs, state machines, mindmaps, and more. Use when user mentions diagram, flowchart, mermaid, ASCII diagram, text diagram, terminal diagram, visualize, C4, mindmap, architecture diagram, sequence diagram, ERD, or needs visual documentation.