Development
Frontend, Backend, Mobile, and Full-Stack development skills
20307 skills in this category
Subcategories
api-integration
Integrate Apidog + OpenAPI specifications with your React app. Covers MCP server setup, type generation, and query layer integration. Use when setting up API clients, generating types from OpenAPI, or integrating with Apidog MCP.
ultrathink-detective
⚡ PRIMARY TOOL for: 'comprehensive audit', 'deep analysis', 'full codebase review', 'multi-perspective investigation', 'complex questions'. Combines ALL detective perspectives (architect+developer+tester+debugger). Uses Opus model. REPLACES grep/glob entirely. Uses claudemem v0.3.0 AST with ALL commands (map, symbol, callers, callees, context). GREP/FIND/GLOB ARE FORBIDDEN.
core-principles
Core principles and project structure for React 19 SPA development. Covers stack overview, project organization, agent execution rules, and authoritative sources. Use when planning new projects, onboarding, or reviewing architectural decisions.
just-fucking-cancel
Analyze bank transaction CSVs to find recurring charges, categorize subscriptions, and cancel what you don't need. Use when user says "cancel subscriptions", "audit subscriptions", "find recurring charges", or "what am I paying for". Supports Apple Card, Chase, Mint, and generic CSV formats. Outputs interactive HTML audit with copy-to-cancel workflow.
managing-temp-scripts
Create and execute temporary scripts (Python, Node.js, shell) during workflow execution for API integrations, data processing, and custom tools. Use when user needs to interact with external APIs, process data with specific libraries, or create temporary executable code.
designing-syntax
Design custom syntax elements with reuse-first approach for workflow orchestration. Use when user needs custom operators, checkpoints, or syntax patterns not available in core syntax.
golang-style
Use this skill BEFORE writing or editing any Go (.go) files. Triggers when about to create, modify, or add code to .go files. Enforces happy path coding, error wrapping, sentinel errors, and godoc-style comments.
code-review
Use when receiving code review feedback (especially if unclear or technically questionable), when completing tasks or major features requiring review before proceeding, or before making any completion/success claims. Covers three practices - receiving feedback with technical rigor over performative agreement, requesting reviews via code-reviewer subagent, and verification gates requiring evidence before any status claims. Essential for subagent-driven development, pull requests, and preventing false completion claims.
Flutter Test Runner
Run Sanmill's Flutter test suite, including unit tests, widget tests, and integration tests; use when running tests or checking test coverage.
Unnamed Skill
Ensure cross-platform compatibility across macOS (Intel/ARM), Ubuntu, and Fedora for this dotfiles repository. Detects and auto-fixes hardcoded paths, platform-specific assumptions, package availability issues, and test coverage gaps. Use when adding features, updating configs, bumping Nix flake, or investigating platform-specific bugs. Keywords: cross-platform, compatibility, macOS, Linux, Ubuntu, Fedora, platform, portability, Nix flake, Docker test, CI
code-review
代码审查最佳实践指南
java-best-practices
Java 编码最佳实践与设计模式
Unnamed Skill
Configure Zed editor settings, keybindings, language servers, themes, and AI agents. Use when modifying Zed configuration, adding keybindings, setting up language servers, or configuring external agents like Claude Code. Keywords: zed, editor, settings, keybindings, keymap, LSP, language server, theme, agent, configure
Unnamed Skill
Configure and optimize Starship cross-shell prompt with presets, custom modules, and performance tuning. Use when setting up Starship, creating prompt configs, customizing prompt appearance, or troubleshooting prompt issues. Keywords: starship, prompt, shell prompt, PS1, starship.toml, preset, prompt config, shell theme
New Rule Completeness Validator
Validates that all necessary code changes are implemented when adding new game rules; use when adding new game rules or variants to ensure no files are missed.
ARB Translation Updater
Batch update ARB translation files across all languages when new translation keys are added to English and Chinese files; use when adding new i18n strings to the Flutter app.
unit-testing
Java单元测试编写指南(基于JUnit和Mockito)
C++ Code Formatter
Format C++ code in Sanmill project to ensure consistent code style; use when formatting C++ code or checking code style compliance.
frontend-design
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.
claude-skills
Claude Skills meta-skill: extract domain material (docs/APIs/code/specs) into a reusable Skill (SKILL.md + references/scripts/assets), and refactor existing Skills for clarity, activation reliability, and quality gates.