IDE & Editors

Use this skill when VSCode extensions fail to build in nix configuration, when adding new VSCode extensions, or when debugging extension-related build errors. Handles systematic search across nixpkgs, vscode-marketplace, and open-vsx sources with incremental testing.

Use when planning architecture refactoring, understanding cross-module dependencies, discovering hidden dependencies, finding shotgun surgery patterns, or identifying files that change together - reveals temporal coupling and architectural violations using git history analysis

IDE setup, dev containers, and local development tools

Debugs common issues in SideDish. Use when fixing errors, investigating bugs, troubleshooting API failures, or resolving build issues. Includes common error patterns, logging strategies, and debugging tools.

Recommend hosting strategy based on chosen tech stack and project needs. Provides deployment workflow, cost breakdown, and scaling path.

Build AI agents with OpenAI Agents SDK + Model Context Protocol (MCP) for tool orchestration. Supports multi-provider backends (OpenAI, Gemini, Groq, OpenRouter) with MCPServerStdio. Use this skill for conversational AI features with external tool access via MCP protocol.

Guides evaluation-driven development (EDD) process for agent skills. Use when setting up skill testing workflows, creating skill evaluation scenarios, or establishing Claude A/B feedback loops for skill validation. Provides development methodology, not content guidance.

Guia arquitetural para desenvolvimento NestJS com DDD, Clean Architecture e padrões avançados. Use quando codificar serviços, módulos, agregados, use cases ou refatorar código NestJS.

Testing guidelines for Bun/TypeScript projects using bun:test framework. Use when writing tests, creating test files, debugging test failures, setting up mocks, or reviewing test code. Triggers on *.test.ts files, test-related questions, mocking patterns, and coverage discussions.

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

Interactive AI agent development workflow orchestrator. Guides users through complete agent creation from brainstorming to production-ready implementation. Use when user wants to build a new AI agent, design an agentic system, scaffold an agent project, or needs help with agent architecture decisions. Supports three-phase workflow - design documentation, implementation scaffolding, and operations (deploy/observe/evaluate).

Write HashiCorp-compliant Terraform infrastructure code for Azure with automated style validation. Optimized for azurerm and azapi providers. Use when implementing Terraform resources, modules, or configurations. Triggers include "write terraform", "create tf module", "terraform code", "implement infrastructure as code", or working with .tf files. ALWAYS uses Terraform MCP tools to query provider documentation before implementation.

Use when working with Luban game configuration tool - covers schema definition, Excel data filling, code generation, polymorphic types, validators, localization, and roblox-ts integration. Provides indexed reference to complete Luban documentation by topic

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Opencodex's capabilities with specialized knowledge, workflows, or tool integrations.

Skill for managing model provider priorities with authentication (OAuth/Subscription/API), usage limits, and automatic fallback across all major AI providers

Generates consistent, professional cover images for business/fiscal articles using Ideogram with standardized prompts and naming conventions. Use when creating new articles, updating missing covers, or maintaining visual consistency across the content library.

Video editing via FFmpeg with git-like staging workflow and platform presets. Use when the user asks to: (1) cut/trim/edit videos, (2) convert formats or codecs, (3) optimize for platforms (WhatsApp, Instagram, YouTube, Twitter, Telegram), (4) extract audio or create GIFs, (5) get video info/metadata, (6) rotate/resize/crop, (7) speed up/slow down videos, (8) compress videos, (9) concatenate multiple videos. All operations go to staging before final approval. Supports operation history, replay, batch processing, and undo/redo.

Guide for implementing Tailwind CSS - a utility-first CSS framework for rapid UI development. Use when styling applications with responsive design, dark mode, custom themes, or building design systems with Tailwind's utility classes.

Expert CV/resume writer with deep ATS optimization, job description analysis using chain-of-thought reasoning, industry-specific formatting (tech, business, creative, academic, executive), and strategic career positioning. Use when users need help with creating or updating CVs/resumes, analyzing job descriptions to identify keywords and requirements, optimizing existing CVs for ATS systems, tailoring CVs for specific jobs or industries, improving CV sections or bullet points, translating experience into achievement-driven narratives, addressing career gaps or transitions, or selecting appropriate CV formats for different fields and career levels.

Provides guidance and templates for containerizing applications using Docker. Use when a user wants to create Dockerfiles, optimize images, set up multi-container applications with docker-compose, or follow best practices for containerization. Includes templates for frontend (Next.js), backend (FastAPI), workers, and databases.