Claude Skills by ssrjkk

Build Android apps with Kotlin: Compose UI, coroutines, architecture components, and Gradle. Use for modern native Android development.

Build iOS apps with Swift and SwiftUI: views, state, navigation, concurrency, and Combine. Use for native Apple platforms.

Automate browsers with Playwright: selectors, waits, assertions, screenshots, network interception, and CI. Use for E2E tests and scraping.

Write reliable JavaScript tests with Jest: unit tests, mocking, snapshots, coverage, and CI integration. Use for JS/TS testing.

Write reliable Python tests with pytest: fixtures, parametrize, mocking, async tests, and CI integration. Use for any Python testing.

Secure web APIs: authentication, authorization, rate limiting, input validation, and abuse protection. Use for hardening any API.

Implements OAuth 2.0 authentication and JWT-based authorization with refresh tokens. Use for secure API access.

Harden web applications against the OWASP Top 10: injection, XSS, auth flaws, CSRF, SSRF, and insecure dependencies. Use for any web app security review.

Manage secrets safely: vaults, rotation, environment variables, scanning, and least privilege. Use for protecting credentials and keys.