Browse and Install AI Agent Skills

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

This directory brings installable AI Agent skills into one place so you can filter by search, category, topic, and official source, then install them directly into Claude Code, Cursor, Windsurf, and other supported environments.

3456 available skills

springboot-verification

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affaan-m

Verification loop for Spring Boot projects: build, static analysis, tests with coverage, security scans, and diff review before release or PR.

60.6k
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Developer

cost-aware-llm-pipeline

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affaan-m

Cost optimization patterns for LLM API usage — model routing by task complexity, budget tracking, retry logic, and prompt caching.

60.6k
0
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liquid-glass-design

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affaan-m

iOS 26 Liquid Glass design system — dynamic glass material with blur, reflection, and interactive morphing for SwiftUI, UIKit, and WidgetKit.

60.6k
0
Developer

springboot-security

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affaan-m

Spring Security best practices for authn/authz, validation, CSRF, secrets, headers, rate limiting, and dependency security in Java Spring Boot services.

60.6k
0
Developer

springboot-tdd

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affaan-m

Test-driven development for Spring Boot using JUnit 5, Mockito, MockMvc, Testcontainers, and JaCoCo. Use when adding features, fixing bugs, or refactoring.

60.6k
0
Developer

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

verification-loop

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affaan-m

A comprehensive verification system for Claude Code sessions.

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