Development

Implement Stripe payments, webhooks, and subscriptions correctly first time

Automatically reference and validate schemas from both legacy data sources and medallion layer data sources (bronze, silver, gold) before generating PySpark transformation code. This skill should be used proactively whenever PySpark ETL code generation is requested, ensuring accurate column names, data types, business logic, and cross-layer mappings are incorporated into the code.

Verify code quality standards are met - naming, structure, DRY principles. Issues result in SUGGESTIONS for improvement.

Convert any file to markdown format using the markitdown library. Use this skill when users need to convert documents (PDF, DOCX, XLSX, PPTX, images, HTML, CSV, JSON, XML, audio files, etc.) into markdown format for easier reading, editing, or integration into markdown-based workflows.

Complete SDK for controlling Reachy Mini robot - head movement, antennas, camera, audio, motion recording/playback.Covers architecture (daemon/client), deployment modes (USB, wireless, simulation, on-Pi), and app distribution.Also includes advanced application patterns: MovementManager, layered motion, audio-reactive movement, face tracking,LLM tool systems, and OpenAI realtime integration.Use when: (1) Writing code to control Reachy Mini, (2) Moving the robot head or antennas, (3) Accessing camera/video,(4) Playing/recording audio, (5) Recording or playing back motions, (6) Looking at points in image or world space,(7) Understanding robot capabilities, (8) Connecting to real or simulated robot, (9) Building conversational AI apps,(10) Integrating with LLMs/OpenAI, (11) Deploying apps to robot, (12) Any robotics task with Reachy Mini.

Object-oriented design principles including object calisthenics, dependency inversion, fail-fast error handling, feature envy detection, and intention-revealing naming. Activates during code refactoring, design reviews, or when user requests design improvements.

Write and manage tests using TDD with Pest (PHP), Vitest (React), and Playwright (E2E). Use when writingfeature tests, unit tests, component tests, or improving test coverage. EXCLUSIVE to testing-expert agent.

Use when running Codex as an independent reviewer. Focus on actionable, prioritized findings.

Provides idiomatic Go programming expertise and best practices. Ensures clean, efficient, and maintainable code following official Go conventions. Specializes in concurrent programming patterns, interface design, error handling strategies, and performance optimization. Masters standard library usage and ecosystem integration.Use when: writing Go code (.go files), designing interfaces and struct types, implementing concurrent patterns (goroutines/channels), handling errors idiomatically, writing table-driven tests, creating Go modules, optimizing performance-critical code, managing dependencies with go.mod, implementing HTTP servers and clients, working with context propagation, or designing package APIs for public libraries.

Run policy-as-code checks (e.g., OPA/Conftest) based on the policy_plan. Use in Flow 2 and Flow 4.

Deploys web applications on Render with automatic builds, managed databases, and zero-config SSL. Use when deploying web services, static sites, or setting up managed infrastructure.

Browser automation, debugging, and performance analysis using Puppeteer CLI scripts. Use for automating browsers, taking screenshots, analyzing performance, monitoring network traffic, web scraping, form automation, and JavaScript debugging.

This skill should be used when the user asks to "create a Supabase table", "write RLS policies", "set up Supabase Auth", "create Edge Functions", "configure Storage buckets", "use Supabase with Next.js", "migrate API keys", "implement row-level security", "create database functions", "set up SSR auth", or mentions 'Supabase', 'RLS', 'Edge Function', 'Storage bucket', 'anon key', 'service role', 'publishable key', 'secret key'. Automatically triggers when user mentions 'database', 'table', 'SQL', 'migration', 'policy'.

Diagnose and resolve E2E test failures in Playwright. This skill should be used when E2E tests fail and need investigation, when Playwright test errors require root cause analysis, or when test failures need to be reproduced in the browser for debugging. Orchestrates MCP tools (Playwright, Chrome DevTools, Serena) and delegates code fixes to specialized agents.

Use PROACTIVELY when debugging React Native apps. Reads console logs and executes JavaScript in running apps via Metro bundler. Invoke for: app crashes, state inspection, API debugging, error investigation, or running diagnostic code. Requires Metro running (port 8081).

Auto-invoked compositional project analysis using φ = ∫(structure × semantics × memory). Analyzes codebase using three integrated layers - structure, semantics, and memory - for understanding project layout, architecture, and accumulated insights.

Installs and manages KASM Workspaces, a container-based VDI platform for streaming desktops to browsers.Supports Ubuntu ARM64, desktop streaming, isolated browser sessions, and remote workspace access.Use when: installing KASM on Ubuntu ARM64, setting up VDI, configuring browser-based desktops, deploying on OCI instances.Keywords: kasm workspaces, VDI, virtual desktop, browser streaming, ARM64, kasm port 8443, container desktop

Review test cases for Authorization Endpoint. Covers response_type=code, request parameters (scope, client_id, redirect_uri, state, nonce, prompt, display, max_age), and authorization response per OIDC Core 1.0 Section 3.1.2.

Automatically applies when engineering prompts for LLMs. Ensures proper prompt structure, templates, few-shot examples, context management, and injection prevention.

Security audit worker (L3). Scans codebase for hardcoded secrets, SQL injection, XSS, insecure dependencies, missing input validation. Returns findings with severity (Critical/High/Medium/Low), location, effort, and recommendations.