Skills for Claude Code, Codex and Cursor

react-best-practices mastra-ai 27 React performance and quality rules, priority-ordered: from eliminating request waterfalls to strict typing. Claude Code CX Codex Cursor +1 2,800installs golang-pro https://github.com/Jeffallan A Go skill for concurrent code, microservices, performance profiling, and idiomatic interfaces. Use it for goroutines, gRPC, benchmarks, and table-driven tests. Claude Code CX Codex Cursor +1 18,900installs terraform-module-library Seth Hobson A skill for writing reusable Terraform modules across AWS, Azure, GCP and OCI. Useful when cloud provisioning needs a consistent shape. Claude Code CX Codex Cursor 15,615installs golang-error-handling samber 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 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 react-native-design Seth Hobson This skill guides React Native styling, navigation, and Reanimated animations. Use it when building cross-platform mobile apps or platform-specific screens. Claude Code CX Codex Cursor 15,522installs firebase-crashlytics Google LLC A skill for Firebase Crashlytics in Claude Code, Cursor, and other AI coding platforms. Collects crash reports from Android and iOS apps, lets you read data through the Firebase CLI MCP server. Claude Code CX Codex Cursor +1 131,200installs codex-ppt ningzimu Builds PowerPoint decks from articles, reports, and notes. Each slide is a full 16:9 generated image. Claude Code CX Codex Cursor +1 4,900installs xcode-project-setup Google LLC This skill adds Swift Packages and links files in Xcode projects. Use it when an iOS app needs dependencies such as Firebase or Alamofire. Claude Code CX Codex Cursor +1 130,300installs solidity-security Seth Hobson 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 angular-developer Copyright 2026 Google LLC Generates Angular code and gives architecture guidance for components, services, forms, routing, and HTTP. Useful when starting or changing an Angular project. Claude Code CX Codex Cursor +1 45,900installs compliance-check official anthropics Skill surfaces applicable regulations, required approvals, and risk areas for any action, product feature, or business initiative. Use before launching anything that touches personal data or has cross-border implications. Claude Code CX Codex Cursor +1 3,300installs performance-review official anthropics Generates structured templates for self-assessments, manager reviews, and team calibration sessions. Claude Code CX Codex Cursor +1 3,300installs draft-outreach official anthropics Draft personalized outreach emails or multi-touch sequences, create them for review, and add contacts to a sales sequence when requested. Claude Code CX Codex Cursor +1 3,300installs risk-assessment official anthropics Identifies, evaluates, and plans mitigations for operational risks across projects, vendors, and decisions. It generates a prioritized register with assigned owners. Claude Code CX Codex Cursor +1 3,300installs react-state-management Seth Hobson Helps choose and structure React state management for local, global, server, URL, and form data. Claude Code CX Codex Cursor 15,286installs gke-service-networking official google Configures GKE edge networking, routing, load balancing, Cloud Armor, and private endpoints. Useful when publishing services or debugging Ingress failures. Claude Code Gemini CLI CX Codex 4,800installs gke-productionize official google This skill reviews GKE clusters and workloads before production. Use it for a readiness audit, a pre-launch check, or a productionization plan. Claude Code Gemini CLI CX Codex 4,800installs cloud-monitoring-chart-generation official google This skill turns a resolved PromQL or ListTimeSeries query into a Cloud Monitoring chart widget. Use it when adding a graph to a Google Cloud dashboard. Claude Code Gemini CLI CX Codex 4,800installs cloud-logging-cross-project-configuration official google This skill configures and troubleshoots centralized Google Cloud logging across projects. Use it for shared log buckets, cross-project sinks, and read-time aggregation. Claude Code Gemini CLI CX Codex 4,800installs agent-platform-troubleshooting official google Troubleshoots Google Cloud Gemini Enterprise Agent Platform failures, including 403 and 500 responses plus gateway and IAP permission errors. Claude Code Gemini CLI CX Codex 4,800installs uv-package-manager Seth Hobson This skill helps an agent manage Python projects with uv: dependencies, virtual environments, and Python versions. Use it for new projects or migrations from pip. Claude Code CX Codex Cursor 15,210installs golang-security samber 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 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 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 react-native-architecture Seth Hobson A skill for Claude Code, Codex and Cursor that hands your agent project layout, navigation, native modules and offline sync patterns for React Native on Expo. Claude Code CX Codex Cursor 15,087installs golang-performance samber 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 creating-financial-models official anthropics Skill for building DCF models, sensitivity analysis, Monte Carlo simulations, and scenario planning for investment decisions. Use it for M&A, project finance, and LBO valuation. Claude Code CX Codex Cursor +1 408installs golang-concurrency samber 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 mempalace-recall MemPalace Instructs the agent to query MemPalace before answering questions about past decisions, projects, or people. Prevents model hallucinations when facts are already stored. Claude Code CX Codex Cursor +1 1,300installs strategy-red-team phuryn Stress-tests PRDs, roadmaps, and strategies by attacking load-bearing assumptions before reality does, returning kill criteria and cheap tests. Claude Code CX Codex Cursor +1 9,200installs winui3-migration-guide official github 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 winmd-api-search official github This skill finds the right Windows API for a task and returns full type details. Useful when you are building a feature and don't know which class or interface to reach for. GitHub Copilot 5,700installs earnings-preview-single official anthropics Generates a 4-5 page HTML equity research earnings preview for a single company: analyzes the latest earnings transcript, competitors, valuation multiples, and recent news. Claude Code CX Codex Cursor +1 1,800installs bond-futures-basis official anthropics Evaluates bond futures basis, identifies the cheapest-to-deliver bond, and calculates implied repo rates to spot basis trading opportunities. Claude Code CX Codex Cursor +1 1,800installs fixed-income-portfolio official anthropics Skill for bond portfolio analysis: pricing, duration, DV01, rate scenarios and cashflow projections. Aggregates MCP tool outputs into risk metric reports. Claude Code CX Codex Cursor +1 1,800installs google-cloud-solution-guided-gke-ai-migration official google Guides existing AI inference workloads from Cloud Run, Gemini API, or another environment to self-hosted inference on GKE. Claude Code Gemini CLI CX Codex 4,700installs gke-ai-troubleshooting-handle-disruption-gpu-tpu official google Diagnoses GKE node disruptions during Compute Engine maintenance for GPU and TPU workloads, then points to practical protection settings. Claude Code Gemini CLI CX Codex 4,700installs seo-audit AgriciDaniel Runs a site-wide SEO audit up to 500 pages and scores domain health. Produces categorized markdown findings, JSON data, and a phased action plan. Claude Code CX Codex Cursor +1 8,000installs audit-support official anthropics A skill with SOX 404 control testing methodology, sampling approaches and documentation standards. Useful for audit workpapers and sample selection. Claude Code CX Codex Cursor +1 3,200installs