Skill Claude CodeCodex
Cryptographic best practices for secure system design. Use when: choosing encryption algorithms, implementing password hashing, selecting key lengths, using secure random number generation, implementing digital signatures, designing TLS deployments, key management, or avoiding common cryptographic pitfalls.
Skill Claude CodeCodex
WORKFLOW SKILL — Short guidance for the data layer in Flutter Clean Architecture (dio + jsonserializable).
Skill Claude CodeCodex
WORKFLOW SKILL — Minimal guidance for the domain layer in Flutter Clean Architecture (use equatable, call() pattern).
Skill Claude CodeCodex
WORKFLOW SKILL — Opinionated conventions for the presentation layer in Flutter Clean Architecture (pages, cubits, widgets, localization).
Skill Claude CodeCodex
HTTP best practices for actix-web 4 and axum 0.7+ Rust backends. Use when: naming REST resources, choosing HTTP status codes, implementing RFC 9457 Problem Details error responses, configuring OWASP security headers, setting up CORS, enabling response compression, versioning APIs, implementing custom request…
Skill Claude CodeCodex
Hexagonal architecture (Ports & Adapters) for Rust backends. Use when: creating a new Rust backend, structuring a domain layer, defining ports as traits, implementing adapters (HTTP, DB, gRPC), wiring dependency injection, separating business logic from infrastructure, applying clean architecture in Rust, organizing…
Skill Claude CodeCodex
SeaORM v2 (open-source, Postgres/MySQL/SQLite) and SeaORM-X (commercial MSSQL) patterns for Rust backends. Use when: adding SeaORM to a project, writing migrations, generating entities, performing CRUD (insert, select, update, delete), paginating results, loading relations, handling on-conflict, using the v2…