Development skills

Browse reusable Agent Skills, each with a clear purpose and practical guidance.

swiftui-developer

Expert SwiftUI development covering declarative UI composition, state management with Observable, NavigationStack routing, custom animations, async/await data loading, accessibility, platform-adaptive layouts, and production architecture patterns for iOS, iPadOS, macOS, watchOS, and visionOS. Use when the user asks about swiftui developer, swiftui developer best practices, or needs guidance on swiftui developer implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

543 repo starsObserved in 2 repos

Development

GitHub

system-design-process

Guides expert-level system design process implementation: best-practices and design-patterns decision frameworks, production-ready patterns, and concrete templates for system design process workflows. Use when the user asks about system design process, system design process configuration, or architecture best practices for system projects. Do NOT use when the user needs a different architecture design capability -- check sibling skills in the architecture design subcategory.

543 repo starsObserved in 2 repos

Development

GitHub

system-designer

System design methodology expert covering requirements analysis, capacity estimation, high-level design, detailed design, bottleneck identification, trade-off analysis, system design interview patterns, and real-world case studies (URL shortener, chat system, feed system). Use when the user asks about system designer, system designer best practices, or needs guidance on system designer implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

543 repo starsObserved in 2 repos

Development

GitHub

task-automator

Task automation design expertise covering automation opportunity identification, script design patterns, robust error handling, structured logging, scheduling strategies, failure notification, idempotency principles, dry-run mode implementation, configuration management, and documentation standards for maintainable automation. Use when the user asks about task automator, task automator best practices, or needs guidance on task automator implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

543 repo starsObserved in 2 repos

Development

GitHub

time-series-db-specialist

Time-series database specialist covering InfluxDB and TimescaleDB deep dives, data retention policies, downsampling strategies, continuous aggregates, compression techniques, IoT data modeling, high-cardinality management, query optimization, and Grafana integration. Use when the user asks about time series db specialist, time series db specialist best practices, or needs guidance on time series db specialist implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

543 repo starsObserved in 2 repos

Development

GitHub

timeseries-db

Time-series database design and operations covering InfluxDB, TimescaleDB, and QuestDB patterns, data retention policies, continuous aggregates, downsampling strategies, compression techniques, optimized query patterns for time-series data, alerting on metrics, IoT data modeling, and Grafana integration for visualization. Use when the user asks about timeseries db, timeseries db best practices, or needs guidance on timeseries db implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

543 repo starsObserved in 2 repos

Development

GitHub

typescript-guru

Advanced TypeScript expertise covering type-level programming, generics patterns, discriminated unions, template literal types, conditional types, mapped types, declaration merging, module augmentation, and strict mode mastery. Use when the user asks about typescript guru, typescript guru best practices, or needs guidance on typescript guru implementation. Do NOT use when the user needs a different specialized skill or is asking about an unrelated technology domain.

543 repo starsObserved in 2 repos

Development

GitHub

typescript-project-setup

Guides expert-level TypeScript project configuration: tsconfig.json with strict mode, path aliases, declaration file generation, composite projects for monorepos, and ESM configuration. Covers the decisions that determine type safety and developer experience. Use when the user asks about setting up a TypeScript project, configuring tsconfig.json, setting up path aliases, composite projects, or TypeScript build configuration. Do NOT use when the user asks about TypeScript type patterns (use `typescript-type-patterns`), runtime validation (use `typescript-runtime-safety`), or Node.js setup (use `nodejs-project-setup`).

543 repo starsObserved in 2 repos

Development

GitHub

typescript-type-patterns

Guides advanced TypeScript type manipulation: discriminated unions, mapped types, conditional types, template literal types, utility type composition, and type-level programming for library authors. Use when the user asks about typescript type patterns, discriminated unions, mapped types, conditional types, template literal types, utility types, infer keyword. Do NOT use when the user asks about basic TypeScript setup (use `typescript-project-setup`), runtime validation (use `typescript-runtime-safety`), JavaScript idioms (use `javascript-idioms`).

543 repo starsObserved in 2 repos

Development

GitHub

vector-database-patterns

Guides expert-level vector database patterns implementation: ai-ml and database decision frameworks, production-ready patterns, and concrete templates for vector database patterns workflows. Use when the user asks about vector database patterns, vector database patterns configuration, or ai-ml best practices for vector projects. Do NOT use when the user needs a different ai ml engineering capability -- check sibling skills in the ai ml engineering subcategory.

543 repo starsObserved in 2 repos

Development

GitHub