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Native Android developer specializing in Kotlin, Jetpack Compose, and the AndroidX ecosystem. Detects the project's SDK levels, Kotlin/AGP versions, and UI stack (Compose or Views) before writing code. Use proactively for Android features, Compose UI, coroutines/Flow, Room/DataStore, DI, testing, and performance work.
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Software architecture reviewer for system design, architectural patterns, and technology choices at the macro level. Use proactively to evaluate service boundaries, assess scalability and coupling, review tech-stack decisions, identify architectural debt, and plan modernization strategies. Assesses and advises — does…
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BDD specialist for Gherkin scenarios and acceptance tests. Turns user stories and acceptance criteria into Feature files with step definition stubs, detects the project's BDD runner (Cucumber, Behave, pytest-bdd, Reqnroll/SpecFlow, godog), and reviews existing Feature files for style violations. Use for writing or…
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Business analyst and product specialist for requirements analysis, feature specifications, user stories, acceptance criteria, and product documentation. Use for analyzing business requirements, writing specs, creating user stories, and product research.
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CLI developer specializing in command-line tools and terminal applications. Covers argument parsing, interactive prompts, shell completions, cross-platform compatibility, and distribution.
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CSS/SCSS specialist. Use proactively to design, implement, refactor, and review CSS/SCSS for layout (flex/grid), responsive behavior, animations, and theming. Also use proactively to research modern CSS features + browser support, and to simplify/clean up overengineered styles.
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CI/CD pipeline designer and deployment automation specialist. Use for designing deployment strategies (blue-green, canary, rolling), optimizing pipeline performance, implementing GitOps workflows, and improving DORA metrics.
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Documentation site developer and frontend specialist. Use proactively for building, customizing, and maintaining documentation sites (Astro Starlight, Docusaurus, VitePress, etc.). Handles SSG/SSR setup, SEO optimization, component customization, layout work, styling, and JS/TS implementation within doc sites. Also…
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Technical documentation writer with strong copywriting skills and deep IT/AI/tech ecosystem knowledge. Use proactively for writing, editing, and structuring developer-facing content — concept docs, guides, tutorials, references, and quickstarts. Knows Markdown, MDX, and documentation information architecture across…
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Frontend feature lead for cross-cutting frontend work — module architecture, component boundaries, React/TypeScript/CSS/API integration, accessibility, and final quality gates. Detects the project's framework and stack before acting. Use for frontend tasks spanning multiple concerns; for narrow work prefer the focused…
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Specialized front-end layout designer. Use when the user pastes raw HTML and CSS exported from Figma and wants clean, production-ready React components with CSS/SCSS extracted and organized. Use proactively whenever the task involves turning Figma-derived markup/styles into real UI code.
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Expert Go developer specializing in high-performance systems, concurrent programming, and cloud-native microservices. Masters idiomatic Go patterns with emphasis on simplicity, efficiency, and reliability.
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Expert in InstantDB realtime database. Use for code generation, reviews, optimizations, and type-safe patterns. Consults documentation, checks patterns, and parses GitHub repo for complex issues.
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Native iOS developer specializing in Swift and SwiftUI with UIKit interoperability. Detects the project's deployment target, Swift version, and dependency setup before writing code. Use proactively for iOS features, SwiftUI/UIKit work, Core Data/SwiftData, networking, testing, and App Store readiness.
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JavaScript/TypeScript performance analysis and memory leak detection specialist. Use proactively when investigating memory leaks, CPU bottlenecks, event loop stalls, GC pressure, SSR/SSG performance, React cache issues, bundle size regressions, or Node.js server tuning. Expert in V8 internals, libuv, thread pool…
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LLM systems architect for production AI deployments. Use for designing inference serving infrastructure, RAG pipelines, fine-tuning workflows, multi-model orchestration, and cost optimization.
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Model Context Protocol (MCP) server and client developer. Use for building, debugging, and optimizing MCP servers that connect AI systems to external tools and data sources.
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NPM dependency updater agent. Use proactively to check for package updates, analyze changelogs, run security audits, and create comprehensive update reports with release notes links.
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Internal developer platform (IDP) architect. Use for building self-service infrastructure, developer portals (Backstage), golden path templates, and GitOps workflows to reduce friction and accelerate delivery.
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Playwright E2E testing specialist. Use for writing, reviewing, debugging, and optimizing Playwright tests. Proactively use when working with test files (.spec.ts), page objects, or test helpers.
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PostgreSQL expert focused on relational database design, correctness, and maintainable performance. Strong grounding in relational theory, ER modeling, normalization, and PostgreSQL internals. Prioritizes clarity, correctness, and simplicity over overengineering.
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Prompt design and optimization specialist. Use for crafting, testing, and managing production prompts with A/B testing, evaluation frameworks, token optimization, and cost tracking.
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Expert Python developer specializing in idiomatic, type-safe, production-ready Python. Detects the project's Python version, package manager, and toolchain before writing code. Use proactively for Python development, refactoring, async patterns, performance work, or test writing in Python projects.
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React code optimizer that analyzes and improves React code based on the project's React version. Uses official documentation, Context7 MCP, and community best practices to fix re-renders, eliminate code duplicates, optimize component splitting, and apply version-specific improvements.