JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Retrieve a small, bounded set of relevant prior notes from the Obsidian vault (concepts, patterns, playbooks, comparisons, ADRs, debug traces, experiments) before planning or implementing, instead of re-discovering decisions the vault already recorded. Returns a context pack of 3-7 notes with an explicit token budget…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Kotlin implementation and review patterns for application, backend, and shared business logic. Use when Codex needs to build, refactor, debug, or review Kotlin code involving domain modeling, null-safety, coroutines, error handling, collections, service logic, or tests.
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Kubernetes manifest authoring, Helm chart patterns, and deployment configuration for production workloads. Covers Deployments, Services, Ingress, ConfigMaps, Secrets, resource limits, health probes, HPA, and k3s-specific considerations. Use when writing or reviewing Kubernetes manifests, setting up Helm charts…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Message queue patterns for RabbitMQ and AMQP-based systems. Covers exchange and queue topology design, consumer patterns, idempotency, dead-letter queues, retry strategies, and message durability. Use when implementing async task processing, event-driven communication between services, or reliable background job…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Database migration strategy patterns for zero-downtime schema changes, backward-compatible migrations, rollback procedures, and migration safety. Use when planning or reviewing database schema changes, coordinating migrations with application deployments, or designing migration workflows for CI/CD pipelines.
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Monorepo setup and workflow patterns using Turborepo and Nx. Covers workspace dependency management, build caching, task pipelines, shared package conventions, and CI optimization for monorepos. Use when setting up a new monorepo, adding packages to an existing one, configuring build pipelines, or debugging slow…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Coordinate changes that span multiple repositories. Use when a task involves API contract changes, shared types, coordinated releases, or any modification that has consumers in other repos.
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
NestJS implementation and review patterns for modular backend systems and microservices. Use when Codex needs to build, refactor, debug, or review NestJS modules, controllers, services, DTOs, validation, guards, interceptors, background processing, dependency injection, microservice transports (TCP, RabbitMQ, Redis)…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Nuxt 3 implementation and review patterns for full-stack Vue applications. Use when Codex needs to build, refactor, debug, or review Nuxt 3 routes, layouts, pages, server APIs, composables, data fetching, middleware, SEO metadata, runtime config, or hybrid rendering behavior in a Nuxt codebase, especially where SSR is…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Structured logging, metrics, distributed tracing, and alerting patterns for production services. Covers OpenTelemetry, log schema design, correlation IDs, health endpoints, and alert definition. Use when instrumenting a new service, reviewing observability coverage, debugging production issues, or designing an on-call…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Creating notes in Obsidian according to the vault system.
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Performance profiling and optimization patterns for backend services, frontend applications, and systems-level code. Covers flamegraph analysis, memory profiling, latency budgeting, bottleneck identification, and per-ecosystem tooling (Node.js/clinic.js, Python/py-spy, Rust/cargo-flamegraph, browser DevTools). Use…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Pinia store implementation and review patterns for Vue and Nuxt applications. Use when Codex needs to build, refactor, debug, or review Pinia stores, shared app state, setup stores, getters, actions, async store flows, persistence boundaries, or coordination between composables, components, and stores.
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Establish and verify product intent before and after implementation. Translates business requirements into measurable acceptance criteria, validates that implementation actually realizes the intended user value, and flags divergence between what was built and what was needed. Use before task-analysis or…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Build a structured understanding of the current project at the start of a session. Use before any implementation, review, or architecture task to establish stack, conventions, and constraints.
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Python patterns for LLM integration, RAG pipelines, embedding generation, vector database operations, and AI/data preprocessing workflows. Use when building or reviewing code that calls LLM APIs, constructs retrieval-augmented generation systems, manages embedding pipelines, queries vector stores (Qdrant, pgvector)…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
FastAPI implementation and review patterns for building typed, async HTTP APIs with dependency injection, middleware, and structured error handling. Use when building or reviewing FastAPI routes, dependencies, request/response models, background tasks, or OpenAPI documentation. Always load alongside the base python…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Python testing patterns using pytest — fixtures, mocking, async tests, integration tests with databases and HTTP clients, and CI-ready test organization. Use when writing, reviewing, or debugging Python tests at any level (unit, integration, contract). Always load alongside the base python skill.
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Python implementation and review patterns for idiomatic, typed, and maintainable Python code. Use when Codex needs to build, refactor, debug, or review Python modules, async code, type-annotated APIs, CLI tools, or shared library logic. For FastAPI/backend services use python-fastapi. For ML/AI pipelines, RAG systems…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
React and Next.js implementation and review patterns for server-rendered and hybrid web apps. Use when Codex needs to build, refactor, debug, or review Next.js routes, layouts, server components, client components, server actions, route handlers, metadata, caching, or full-stack React application flows.
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
React implementation and review patterns for component-driven web UI. Use when Codex needs to build, refactor, debug, or review React components, hooks, forms, client-side state, rendering behavior, accessibility, or data-driven interaction flows.
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Resolve an in-progress git merge or rebase conflict hunk by hunk by tracing each side's intent to its primary source, then finish the operation.
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Rust implementation and review patterns for systems, backend, and desktop application logic. Use when Codex needs to build, refactor, debug, or review Rust code involving ownership, borrowing, async workflows, error handling, modules, serialization, concurrency, or performance-sensitive logic, especially when Rust is…
JakubMikolajek/codex-skills-collection
Skill Claude CodeCodex
Security review and hardening patterns for production backend systems. Covers OWASP Top 10, authentication and authorization patterns, secrets management, input validation, security headers, and API security. Use before any backend code ships to production, during security-focused code review, or when a task involves…