发现 Skills

Implements the Outbox pattern for reliable domain event processing. Ensures events are persisted in the same transaction as the aggregate changes and processed asynchronously with guaranteed delivery.

Generates audit trail infrastructure for entities. Implements IAuditable interface, EF Core SaveChanges interceptor, and automatic population of CreatedAt, UpdatedAt, CreatedBy, and UpdatedBy fields.

Generates multi-step onboarding flows with persistence for iOS/macOS apps. Use when user wants to add onboarding, welcome screens, or first-launch experience.

Generates comprehensive test specification with unit tests, UI tests, accessibility testing, and beta testing plan. Creates TEST_SPEC.md from PRD and implementation specs. Use when creating QA strategy.

Deployment architecture, multi-tenancy design, and environment-specific deployment commands. Use when the user asks about how the application is deployed, multi-tenant architecture with Navigator, Fly.io deployment, or frontend stack details.

Create new applications for ryOS following established patterns and conventions. Use when building a new app, adding an application to the desktop, creating app components, or scaffolding app structures.

A framework for diagnosing promotion delays and mapping long-term career moves. Trigger this when you feel stuck in your current level, are deciding between job offers, or are preparing for a performance review.

Expert in proof techniques, mathematical reasoning, and rigorous argumentation for students learning to write proofs

Get current weather and forecasts for any location (no API key required)

EU tax and accounting by country — VAT regimes, corporate tax rates, payroll taxes, filing deadlines, and cross-border rules for all 27 member states.

Paid advertising campaigns on Google Ads, Meta, LinkedIn, Twitter/X. Strategy, copy, targeting, optimization.

Use when making architectural decisions during planning or design sessions, when choosing between technologies, patterns, or system designs that affect multiple components or are hard to reverse

Operate Trello through the local CLI tool. Use this skill whenever the user asks to create, update, move, archive, search, or inspect Trello boards, lists, cards, comments, checklists, attachments, labels, members, or custom fields — or when they mention the Trello CLI, `trello` command, or want to manage Trello from the terminal. Also use this when working in the Trello_CLI repository and needing to exercise the binary.

Add Scalekit OAuth authentication to a FastAPI + FastMCP server (Python). Use when you need FastAPI-level middleware control over token validation alongside FastMCP tools. Implements /.well-known/oauth-protected-resource, a Starlette middleware that validates Authorization Bearer tokens via Scalekit SDK (issuer + audience), and mounts FastMCP via app.mount.

Sub-skill of hydrodynamic-pipeline: Gmsh Panel Mesh for Hydrodynamics (+3).

Implements standardized API error responses with proper status codes, logging, and user-friendly messages. Use when building production APIs, implementing error recovery patterns, or integrating error monitoring services.

Implements API rate limiting using token bucket, sliding window, and Redis-based algorithms to protect against abuse. Use when securing public APIs, implementing tiered access, or preventing denial-of-service attacks.

Implements API versioning using URL paths, headers, or query parameters with backward compatibility and deprecation strategies. Use when managing multiple API versions, planning breaking changes, or designing migration paths.

Use for Docker with Bun, Dockerfiles, oven/bun image, containerization, and deployments.

Use when building or running SvelteKit apps on Bun, including SSR, adapters, and Bun-specific APIs

Implements CSRF protection using synchronizer tokens, double-submit cookies, and SameSite attributes. Use when securing web forms, protecting state-changing endpoints, or implementing defense-in-depth authentication.

Train ML models with scikit-learn, PyTorch, TensorFlow. Use for classification/regression, neural networks, hyperparameter tuning, or encountering overfitting, underfitting, convergence issues.

Browser automation and E2E testing with Playwright. Auto-detects dev servers, writes clean test scripts. Test pages, fill forms, take screenshots, check responsive design, validate UX, test login flows, check links, automate any browser task. Use for cross-browser testing, visual regression, API testing, component testing in TypeScript/JavaScript and Python projects.

Ultracite is a multi-provider linting and formatting tool (Biome, ESLint, Oxlint). Use it for v6/v7 setup, choosing or migrating providers, installing consistent Git hooks, MCP integration, AI-hook integration, migrations, or when you encounter configuration problems, type-aware linting issues, or monorepo resolution errors.