AI paraphrasing and writing enhancement tool.

Banking for startups with powerful financial tools.

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Node.js development principles and decision-making. Framework selection, async patterns, security, and architecture. Teaches thinking, not copying.

Cloudflare D1 SQLite database with Workers, Drizzle ORM, migrations

Build modern full-stack web applications with Next.js (App Router, Server Components, RSC, PPR, SSR, SSG, ISR), Turborepo (monorepo management, task pipelines, remote caching, parallel execution),...

Configure domains, routing, CORS, VPC, static IPs, and inter-service communication for DigitalOcean App Platform. Use when setting up custom domains, subdomain routing, cross-origin API access, or...

障害発生時の初動対応、影響範囲特定、復旧手順策定、ポストモーテム作成。インシデント対応・障害復旧が必要な時に使用。コードは書かない（修正はBuilderに委譲）。

クラウドインフラ（Terraform/CloudFormation/Pulumi）とローカル開発環境（Docker Compose/dev setup/環境変数）両面の環境プロビジョニングを担当。IaC設計、環境構築、マルチクラウド対応が必要な時に使用。

MCP Agent Mail - Mail-like coordination layer for multi-agent workflows. Identities, inbox/outbox, file reservations, contact policies, threaded messaging, pre-commit guard, Human Overseer, static...

Create and manage isolated container sandboxes for AI agent code execution. Use when you need ephemeral environments to run untrusted code, execute agent workflows, or test in isolation. NOT for...

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Expert in web scraping and data extraction with Python tools

Comprehensive quality gates, metrics analysis, and deployment readiness assessment for continuous quality assurance.

Comprehensive fullstack development skill for building complete web applications with React, Next.js, Node.js, GraphQL, and PostgreSQL. Includes project scaffolding, code quality analysis,...

Comprehensive software architecture skill for designing scalable, maintainable systems using ReactJS, NextJS, NodeJS, Express, React Native, Swift, Kotlin, Flutter, Postgres, GraphQL, Go, Python....

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Suite of tools for creating elaborate, multi-component HTML