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Browse and install thousands of AI Agent skills in the Killer-Skills directory. Supports Claude Code, Windsurf, Cursor, and more.

520 available skills

swift-concurrency-6-2

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affaan-m

Swift 6.2 Approachable Concurrency — single-threaded by default, @concurrent for explicit background offloading, isolated conformances for main actor types.

60.6k
0
Developer

swift-protocol-di-testing

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affaan-m

Protocol-based dependency injection for testable Swift code — mock file system, network, and external APIs using focused protocols and Swift Testing.

60.6k
0
Developer

swift-actor-persistence

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affaan-m

Thread-safe data persistence in Swift using actors — in-memory cache with file-backed storage, eliminating data races by design.

60.6k
0
Developer

deployment-patterns

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affaan-m

Deployment workflows, CI/CD pipeline patterns, Docker containerization, health checks, rollback strategies, and production readiness checklists for web applications.

60.6k
0
Developer

python-testing

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affaan-m

Python testing strategies using pytest, TDD methodology, fixtures, mocking, parametrization, and coverage requirements.

60.6k
0
Developer

postgres-patterns

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affaan-m

PostgreSQL database patterns for query optimization, schema design, indexing, and security. Based on Supabase best practices.

60.6k
0
Developer

springboot-patterns

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affaan-m

Spring Boot architecture patterns, REST API design, layered services, data access, caching, async processing, and logging. Use for Java Spring Boot backend work.

60.6k
0
Developer

swiftui-patterns

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affaan-m

SwiftUI architecture patterns, state management with @Observable, view composition, navigation, performance optimization, and modern iOS/macOS UI best practices.

60.6k
0
Developer

article-writing

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affaan-m

Write articles, guides, blog posts, tutorials, newsletter issues, and other long-form content in a distinctive voice derived from supplied examples or brand guidance. Use when the user wants polished written content longer than a paragraph, especially when voice consistency, structure, and credibility matter.

60.6k
0
Developer

api-design

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affaan-m

REST API design patterns including resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting for production APIs.

55.0k
0
Developer

github-archive

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gadievron

Raptor turns Claude Code into a general-purpose AI offensive/defensive security agent. By using Claude.md and creating rules, sub-agents, and skills, and orchestrating security tool usage, we configure the agent for adversarial thinking, and perform research or attack/defense operations.

0
0
Developer

ckm:brand

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nextlevelbuilder

An AI SKILL that provide design intelligence for building professional UI/UX multiple platforms

45.3k
0
Design