Code review and refactoring: skills, plugins, subagents, slash commands and mcp servers

gpt-5-4-prompting official openai skill This skill structures Codex and GPT-5.4 prompts for coding, review, diagnosis, and research work. Claude Code CX Codex Cursor +1 726installs vue-debug-guides github.com/vuejs-ai skill Skill for diagnosing Vue 3 errors: reactivity, watchers, components, templates, and hydration. When the agent sees a Vue bug, it looks up the cause in a catalog of common issues. Claude Code CX Codex Cursor +1 26,700installs mentoring-juniors official github skill This skill mentors junior developers through questions instead of ready-made answers. Use it for learning code, debugging, and getting started with Copilot. GitHub Copilot 6,900installs paseo-committee getpaseo skill Spawns two agents with contrasting reasoning styles to diagnose a stuck problem, break out of repetitive loops, and synthesize a plan. Useful when you need a fresh perspective and deep root-cause analysis. Claude Code CX Codex Cursor +1 4,700installs transitions-polish Jakubantalik skill This skill audits existing animations and maps timing, distance, scale, blur, and easing to motion tokens. Use it when motion feels off. Claude Code CX Codex Cursor +1 10,600installs codex-result-handling official openai skill A skill that ensures Codex results are presented to you properly. Preserves findings, inferences, file paths, line numbers, and severity order. Blocks automatic code fixes after review—you must approve changes first. Claude Code CX Codex Cursor +1 675installs codegen vercel-labs skill Utilities for generating code from json-render UI trees. Build custom code exporters for Next.js, Remix, and other frameworks, traverse specs, and serialize props. Claude Code CX Codex Cursor +1 8,900installs python-code-style Seth Hobson skill A skill for Python style rules, linting, formatting, naming, and documentation. Use it when writing code, reviewing changes, or setting project standards. Claude Code CX Codex Cursor 16,456installs firebase-security-rules-auditor Google LLC skill Audits Firebase rules for data leaks, privilege escalation, and validation gaps. Use it when reviewing Firestore or Cloud Storage access. Claude Code CX Codex Cursor +1 138,200installs swift-concurrency AvdLee skill Diagnoses Swift Concurrency issues, refactors callback code to async/await, and guides Swift 6 migration. Useful when isolation, Sendable, or compiler warnings block a change. Claude Code CX Codex Cursor +1 17,000installs golang-code-style samber skill A skill for writing clear Go code: line breaking, variable declarations, control flow, when comments help. Use it when writing or reviewing Go, discussing style, or setting project standards. Claude Code CX Codex Cursor +1 44,000installs pua-en tanweai skill A skill that forces the AI coder to stop giving up and act on its own when a task stalls or fails twice. Instead of giving up or trying tiny variations, it exhausts all approaches, searches for evidence, and proves results. Claude Code CX Codex Cursor +1 2,900installs react-best-practices mastra-ai skill 27 React performance and quality rules, priority-ordered: from eliminating request waterfalls to strict typing. Claude Code CX Codex Cursor +1 2,800installs golang-error-handling samber skill Skill for idiomatic Go error handling: wrapping with context, chain inspection, structured logging, and samber/oops integration. Apply when creating, wrapping, inspecting, or logging errors in Go code. Claude Code CX Codex Cursor +1 43,200installs adhd UditAkhourii skill This skill runs parallel idea searches for open-ended architecture, API, naming, and fuzzy-debugging decisions, then filters and develops the strongest options. Claude Code CX Codex Cursor +1 7,400installs solidity-security Seth Hobson skill This skill helps write and audit Solidity contracts against common vulnerabilities. Use it for DeFi work, security checks, and audit preparation. Claude Code CX Codex Cursor 15,382installs react-state-management Seth Hobson skill Helps choose and structure React state management for local, global, server, URL, and form data. Claude Code CX Codex Cursor 15,286installs golang-security samber skill Identifies Go vulnerabilities, models threats with STRIDE and DREAD, and fixes injections, secret leaks, and cryptography flaws. Claude Code CX Codex Cursor +1 42,100installs golang-design-patterns samber skill This skill guides idiomatic Go design for APIs, resource lifecycles, graceful shutdown, and architecture. Use it when designing or reviewing Go code. Claude Code CX Codex Cursor +1 41,900installs chakra-ui-migrate chakra-ui skill A migration skill that guides projects from Chakra UI v2 to v3. It handles package cleanups, codemods, provider setup, and updated component props. Claude Code CX Codex Cursor +1 1,800installs golang-performance samber skill Guides AI coding agents through profiling, memory allocation cuts, and CPU optimization in Go projects using a strict measurement-first cycle. Claude Code CX Codex Cursor +1 41,800installs golang-concurrency samber skill The skill sets rules for concurrent Go code: goroutine lifecycle, channels and select, mutexes, errgroup, singleflight, worker pools, and fan-out/fan-in pipelines. Claude Code CX Codex Cursor +1 41,600installs winui3-migration-guide official github skill This skill helps move UWP code to WinUI 3 and Windows App SDK. Use it to check API replacements, namespaces, and common Copilot mistakes. GitHub Copilot 5,700installs gdpr-data-handling Seth Hobson skill Guides GDPR data handling with consent management, data subject rights, and privacy by design. Use it when a system processes EU personal data. Claude Code CX Codex Cursor 14,862installs golang-naming samber skill A Go naming skill for writing, reviewing, and refactoring code. It covers packages, types, errors, booleans, enums, and tests. Claude Code CX Codex Cursor +1 40,700installs voicestudio-maintainer debpalash skill Guides maintenance tasks for VoiceStudio by triaging issues, reviewing PRs, diagnosing CI runs, and staging Electron releases. It is not designed for audio synthesis. Claude Code CX Codex Cursor +1 795installs golang-safety samber skill Skill prevents common Go crashes before they happen: nil map writes, typed-nil interfaces, append aliasing, silent integer truncation, and resource leaks from defer in loops. Claude Code CX Codex Cursor +1 40,400installs golang-modernize samber skill A skill that updates Go codebases to current language idioms, standard library improvements, and tooling. Handy when reviewing old-style patterns, bumping the Go version, or refreshing CI. Claude Code CX Codex Cursor +1 40,200installs typescript-review metabase skill Reviews TypeScript and JavaScript changes against Metabase coding rules. Use it for pull requests or diffs that include TS or JS files. Claude Code CX Codex Cursor +1 2,300installs security-review official github skill Reviews code and dependencies for vulnerabilities, exposed secrets, and access-control flaws. Use it before a release or when auditing a project path. GitHub Copilot 5,500installs debugger VoltAgent Community subagent Diagnoses software failures, reads stack traces, and isolates root causes to fix elusive bugs. Helpful when logs alone do not explain a crash. Claude Code 13,459installs golang-structs-interfaces samber skill Enforces idiomatic Go patterns for struct and interface design. Useful when defining consumer-driven contracts, zero-value structs, and compile-time type checks. Claude Code CX Codex Cursor +1 39,600installs claude-security official Anthropic skill Scans repositories or pull request diffs for vulnerabilities and prepares verified patch files. Helpful for security audits directly inside your Claude Code session. Claude Code 2,304installs golang-cli samber skill A skill for building, extending, and reviewing Go CLI tools with guidance on commands, flags, configuration, signals, completion, and tests. Claude Code CX Codex Cursor +1 39,300installs golang-dependency-injection samber skill Guides dependency injection in Go projects, comparing manual constructor injection against wire, dig, fx, and samber/do. Claude Code CX Codex Cursor +1 39,300installs e2e-tests-studio mastra-ai skill A skill that automatically generates Playwright E2E tests when you modify playground components. Tests product behavior—data persistence, feature workflows, action side effects—not just UI states. Claude Code CX Codex Cursor +1 2,500installs golang-samber-oops samber skill Skill adds support for samber/oops to Claude Code, Cursor and other IDEs — a Go library that brings structured error handling with context, stack traces, error codes, and user-facing messages. Claude Code CX Codex Cursor +1 38,100installs paseo-advisor getpaseo skill Spins up a separate agent to analyse your current task and give a judgment — read-only, no edits. Call it when you need a second opinion before committing a decision. Claude Code CX Codex Cursor +1 3,600installs debugging-strategies Seth Hobson skill This skill gives an agent a step-by-step way to investigate bugs, crashes, and performance problems. Use it when a project behaves unexpectedly. Claude Code CX Codex Cursor 13,414installs golang-spf13-cobra samber skill Skill for spf13/cobra, the Go library for building command trees, validating arguments, parsing flags, and generating shell completion. Use it when building or extending a CLI application in Go. Claude Code CX Codex Cursor +1 37,000installs