Cloud

Provides critical feedback and alternative architectural perspectives on code changes. Use when you want to explore different ways to implement a feature or find potential flaws in the current plan.

Use when working with Cloudflare R2 object storage, D1 SQLite database, KV, or Workers integration - covers bindings, limits, gotchas, and best practices

Default TypeScript stack for Lambda: pnpm workspaces + Turbo, strict TS, and sensible DX helpers.

Use when implementing background tasks, async processing, or offloading slow operations in rwsdk/Cloudflare Workers - covers queue setup, sending messages (direct/R2/KV patterns), consuming message batches, handling multiple queues, and message type routing

Take and view screenshots of Hetzner Cloud servers via WebSocket VNC console

Configures secure authentication with Azure using OIDC (OpenID Connect). Eliminates long-lived secrets by integrating GitHub Actions with Azure AD for secure resource access.

Proactive Claude Code permission manager. Configures permissions via natural language for CLI tools (git, gcloud, aws, kubectl, maven, gradle, npm, docker), project types (Rust, Java, TypeScript, Python), and file patterns. Auto-detects project types and researches unknown tools.

Message broker setup patterns (Redis, RabbitMQ, SQS) for Celery including connection strings, SSL configuration, high availability, and production best practices. Use when configuring message brokers, setting up Redis/RabbitMQ/SQS, troubleshooting broker connections, implementing HA/failover, securing broker communications with SSL, or when user mentions broker setup, connection issues, sentinel, quorum queues, or AWS SQS integration.

Complete knowledge domain for Cloudflare R2 - S3-compatible object storage on Cloudflare's edge network.Use when: creating R2 buckets, uploading files to R2, downloading objects, configuring R2 bindings,setting up CORS, generating presigned URLs, multipart uploads, storing images/assets, managing objectmetadata, or encountering "R2_ERROR", CORS errors, presigned URL failures, multipart upload issues,or storage quota errors.Keywords: r2, r2 storage, cloudflare r2, r2 bucket, r2 upload, r2 download, r2 binding, object storage,s3 compatible, r2 cors, presigned urls, multipart upload, r2 api, r2 workers, file upload, asset storage,R2_ERROR, R2Bucket, r2 metadata, custom metadata, http metadata, content-type, cache-control,aws4fetch, s3 client, bulk delete, r2 list, storage class

Use this skill whenever the user wants to design, run, or refine Cloudflare D1 schema management, migrations, and data seeding for dev/staging/production environments, especially in conjunction with Hono/Workers apps.

D1 adapter & error prevention guide for better-auth v1.4+. Use when implementing authentication with D1 databases, troubleshooting auth issues, or working with better-auth in TanStack Start or Cloudflare Workers environments.

Authenticate with Jira Cloud REST API using API tokens. Use when setting up Jira connections, validating credentials, or handling rate limiting.

Run SonarQube/SonarCloud static code analysis to check code quality, detect security vulnerabilities, code smells, and bugs. Use when the user mentions SonarQube, code quality analysis, security scanning, static analysis, or wants to check for vulnerabilities.

Use this skill for Next.js App Router patterns, Server Components, Server Actions, Cache Components, and framework-level optimizations. Covers Next.js 16 breaking changes including async params, proxy.ts migration, Cache Components with "use cache", and React 19.2 integration. For deploying to Cloudflare Workers, use the cloudflare-nextjs skill instead. This skill is deployment-agnostic and works with Vercel, AWS, self-hosted, or any platform.Keywords: Next.js 16, Next.js App Router, Next.js Pages Router, Server Components, React Server Components, Server Actions, Cache Components, use cache, Next.js 16 breaking changes, async params nextjs, proxy.ts migration, React 19.2, Next.js metadata, Next.js SEO, generateMetadata, static generation, dynamic rendering, streaming SSR, Suspense, parallel routes, intercepting routes, route groups, Next.js middleware, Next.js API routes, Route Handlers, revalidatePath, revalidateTag, next/navigation, useSearchParams, turbopack, next.config

AWSに関する調査（仕様確認、設計判断、ベストプラクティス確認、料金/制限の概算前提整理、エラー原因調査、リージョン提供状況確認、CDK/CloudFormation/CLI/SDKの参照）を行うときに使う。調査では必ず公式ドキュメントを一次情報として扱い、aws-knowledge-mcp-server（https://knowledge-mcp.global.api.aws）を用いて検索・読解・関連ページ探索・リージョン可用性確認を行う。

This skill provides comprehensive knowledge for integrating Vercel KV (Redis-compatible key-value storage powered by Upstash) into Vercel applications. It should be used when setting up Vercel KV for Next.js applications, implementing caching patterns, managing sessions, or handling rate limiting in edge and serverless functions.Use this skill when:- Setting up Vercel KV for Next.js applications- Implementing caching strategies (page cache, API cache, data cache)- Managing user sessions or authentication tokens in serverless environments- Building rate limiting for APIs or features- Storing temporary data with TTL (time-to-live)- Migrating from Cloudflare KV to Vercel KV- Encountering errors like "KV_REST_API_URL not set", "rate limit exceeded", or "JSON serialization errors"- Need Redis-compatible API with strong consistency (vs eventual consistency)Keywords: vercel kv, @vercel/kv, vercel redis, upstash vercel, kv vercel, redis vercel edge, key-value vercel, vercel cache, vercel sessions, vercel

Troubleshoot GCP services using tool-first access (via MCP when available), falling back to the CLI only when necessary. Focus on Firestore, Cloud Run, networking, load balancers, IAM, Pub/Sub, Cloud SQL, and Storage.

Master Go for concurrent systems, microservices, and cloud-native applications.

Handle Bitbucket Cloud PR operations. Use for "PR", "pull request", "review" when repo is on bitbucket.org.

Use this skill whenever the user wants to create, restructure, or standardize a Hono + TypeScript backend/API project, including project layout, runtime targeting (Node/Cloudflare/Vercel Edge), routing structure, middleware, env handling, and basic error handling.