j4flmao

@j4flmao source repo

645 skills
0 followers
11 hours ago last updated

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Desktop Wpf · j4flmao bundle
Use when the user asks about WPF (.NET Framework or .NET Core/5+/6+), XAML desktop apps, MVVM with WPF, XAML data binding, or WPF custom controls. Do NOT use for: WinForms (desktop-winforms), WinUI 3 (desktop-winui3), or UWP (desktop-uwp).

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Unreal · j4flmao
Expert game development with Unreal Engine - architecture, C++/Blueprint, rendering (RenderGraph/Nanite/Lumen), physics (Chaos), animation, AI, multiplayer, and performance.

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C · j4flmao bundle
C Skill Architecture (Low-Level & Bare Metal)

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AI Agents · j4flmao bundle
AI Agent Architectures

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Deno · j4flmao bundle
Use this skill when building with Deno — TypeScript runtime, Deno Deploy, Fresh framework, Deno std library. This skill enforces: permission-based security, URL import system, std lib usage over npm, Fresh island architecture. Do NOT use for: Node.js projects, Bun projects, browser-only TypeScript.

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Devops Azure · j4flmao bundle
Trigger: "Azure", "Microsoft Azure", "Azure DevOps", "Azure Kubernetes", "AKS", "Azure Functions", "Azure App Service", "Azure Storage", "Azure SQL", "ARM template", "Bicep", "Azure CLI", "Azure pipeline", "Azure AD", "Managed Identity", "Azure Policy", "Azure Monitor", "Log Analytics", "Key Vault", "Azure Front Door", "Azure Firewall", "Private Link". Covers: compute (AKS, App Service, Functions, VMs), storage (Blob, Disk, Files), database (Azure SQL, Cosmos DB), networking (VNet, VPN, ExpressRoute), IaC (Bicep, ARM), security (Azure AD, Key Vault, Policy), monitoring, cost management, landing zone design (CAF). Exclusion: Not for AWS or GCP — use those specific skills.

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Devops Mlops · j4flmao bundle
Use this skill when implementing MLOps: ML CI/CD pipelines, model deployment pipelines, model registry CI/CD, canary deploy ML, A/B testing ML, model monitoring, model drift, model rollback, feature store CI/CD. This skill enforces: CI/CD for model pipeline, registry promotion, canary/blue-green deployment, drift monitoring, rollback strategy. Do NOT use for: model training (use ml-training), feature engineering (use feature-engineering), data pipeline CI/CD (use devops-dataops).

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Nomad · j4flmao bundle
Use this skill when the user says 'nomad', 'hashicorp nomad', 'nomad job', 'nomad cluster', 'nomad server', 'nomad client', 'nomad namespace', 'nomad ACL', 'nomad autoscaler', 'nomad pack', 'nomad consul', 'nomad vault', 'nomad CSI', 'nomad batch job', 'nomad system job', 'nomad service job', 'nomad periodic job', 'nomad parameterized job', 'nomad scaling', 'nomad canary', 'nomad update', 'nomad drain', 'nomad eval', 'nomad allocation', 'nomad volume', 'nomad host volume', 'nomad secrets', 'nomad template', 'nomad artifact', 'nomad dispatch', 'CNI', 'nomad networking', 'nomad service discovery', 'nomad connect', 'nomad consul connect', 'nomad envoy'. Covers: HashiCorp Nomad job scheduling, cluster operations, ACLs, secrets integration, CSI volumes, autoscaling, canary deployments, networking with Consul Connect.

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Vault · j4flmao bundle
Use this skill when the user says 'Vault', 'HashiCorp Vault', 'secrets management', 'dynamic secrets', 'transit engine', 'Vault policy', 'Vault auth method', 'Vault agent', 'Vault injector', 'Vault API', 'kv-v2', 'PKI secrets engine', 'database secrets engine', 'Vault role', 'Vault token'. Covers: Vault setup, secrets engines, policies, auth methods, dynamic secrets, transit encryption, Vault Agent, Vault+Kubernetes integration. Do NOT use this for: AWS Secrets Manager, Azure Key Vault, or non-HashiCorp secret stores.

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Frontend Lit · j4flmao bundle
Use this skill when the user says 'Lit', 'LitElement', 'lit-html', 'web component Lit', 'reactive element', '@lit/reactive-element', 'Lit SSR', 'Lit component', 'Lit decorator', 'Lit reactive property'. This skill enforces: LitElement base class with reactive properties, declarative templates with lit-html, shadow DOM encapsulation by default, typed events with CustomEvent, and Lit SSR for server rendering. Requires Lit project (package.json with lit). Do NOT use for: vanilla web components, non-Lit custom elements, or framework-specific components (React/Vue/Angular).

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Cocos2d · j4flmao
Expert game development with Cocos2d-x / Cocos Creator - node tree, components, rendering (OpenGL ES/Metal/Vulkan), physics (Box2D), audio, UI, multi-platform build, and performance.

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Go · j4flmao bundle
Use this skill when the user asks about Go build tools, module management, goroutines, channels, interfaces, error handling, testing, or production deployment. Focus on tooling, concurrency, and ecosystem — not syntax.

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Data Bi Tools · j4flmao bundle
Use this skill when asked about BI, dashboard, Metabase, Superset, Looker, Tableau, PowerBI, reporting, data visualization, business intelligence, KPI dashboards, semantic layer, embedded analytics, or LookML. This skill enforces: tool selection based on team size and use case, semantic layer design with business-friendly metrics, dashboard layout patterns (KPI, trend, comparison, funnel), embedded analytics via SDK/iFrame, data source configuration, caching strategy, permissions model with row-level security, and scheduling. Do NOT use for: data warehouse schema design, ETL pipeline configuration, or ad-hoc SQL queries.

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Data Data API · j4flmao bundle
Use this skill when asked about data API, Hasura, PostgREST, WunderGraph, GraphQL for data, REST API for data, instant API, database API, real-time API, data authorization, or data gateway. This skill enforces: Hasura GraphQL engine for auto-generated APIs from databases, PostgREST for REST APIs from PostgreSQL, WunderGraph for API gateway patterns for data, authorization models (RBAC, session, JWT), real-time subscriptions, and performance optimization with caching and connection pooling. Do NOT use for: custom REST/GraphQL API development with frameworks like Express or FastAPI, frontend-only API consumption, or general API gateway design unrelated to data.

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Desktop Gnome · j4flmao bundle
Use when the user asks about GNOME desktop development, GNOME Shell extensions, GTK under GNOME, GNOME Builder, or GNOME platform libraries (GLib, GIO, GSettings, GNOME Settings). Do NOT use for: GTK itself (desktop-gtk), or KDE (desktop-kde).

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Tauri Desktop Development · j4flmao bundle
Best practices for building desktop apps with Tauri and secure Native IPC.

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Devops Docker · j4flmao bundle
Trigger: "Docker", "container", "docker run", "docker compose", "Dockerfile", "containerize", "docker build", "docker network", "docker volume", "registry", "docker swarm", "container runtime", "OCI", "container security". Covers: Docker Engine, Docker Compose, multi-stage builds, registries, networking, volumes, security, CI/CD integration, Swarm orchestration, image optimization. Do NOT use for: Kubernetes (use kubernetes-patterns), CI pipeline design (use cicd-pipeline).

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Devops Finops · j4flmao bundle
Trigger: "FinOps", "cloud cost", "cost optimization", "cloud spend", "cost allocation", "reserved instance", "savings plan", "cost tagging", "cloud budget", "cost governance", "FinOps framework", "cloud economics" Exclusion: Not for infra provisioning -- use cloud-specific skills.

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Gitops · j4flmao bundle
Use this skill when the user says 'GitOps', 'ArgoCD', 'Flux', 'Git as source of truth', 'sync policy', 'drift detection', 'multi-env GitOps', 'Application CRD', 'Kustomize', 'Helm with GitOps', 'sync waves', 'phased rollouts'. Covers: declarative deployments, ArgoCD setup, Flux setup, sync strategies, drift detection, multi-environment promotion, secrets in GitOps. Do NOT use this for: plain Kubernetes manifests (use kubernetes-patterns), CI pipeline design, or monorepo tooling.

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Devops Pulumi · j4flmao bundle
Pulumi Infrastructure as Code using real programming languages (TypeScript, Python, Go, C#). Covers: Pulumi CLI, stack management, state backends, AWS/Azure/GCP providers, Kubernetes provider, component resources, Automation API, secrets, policy as code, migration from Terraform. Do NOT use for: Terraform, CloudFormation, or other IaC tools not using Pulumi.

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Htmx · j4flmao bundle
Use this skill when the user says 'htmx', 'htmx setup', 'htmx ajax', 'htmx hx-get', 'htmx hx-post', 'htmx HATEOAS', 'htmx hypermedia', 'htmx server-driven', or when building hypermedia-driven applications with htmx. This skill enforces: server-driven AJAX via HTML attributes, HATEOAS principles, minimal JavaScript, partial page replacements, hypermedia as the engine of application state. Requires htmx in the project (CDN or npm). Do NOT use for: SPA frameworks (React, Vue, Alpine), JSON API clients, or full page reload patterns.

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Cpp · j4flmao bundle
C++ Skill Architecture

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Ba · j4flmao bundle
Use this skill when the user says 'business analysis', 'requirements', 'user story', 'acceptance criteria', 'Gherkin', 'INVEST', 'process flow', 'use case', 'stakeholder analysis', 'BRD', 'functional requirements', 'specification', or needs requirements analysis. Covers: requirements elicitation, user story writing, acceptance criteria (Gherkin), process modeling, and stakeholder analysis. Do NOT use for: project management, coding, or testing.

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Pm · j4flmao bundle
Use this skill when the user says 'project management', 'sprint planning', 'estimate', 'story points', 't-shirt sizing', 'risk register', 'stakeholder', 'status report', 'blocker', 'retrospective', 'velocity', 'burndown', 'capacity planning', or needs project management guidance. Covers: agile ceremonies, estimation techniques, risk management, stakeholder communication, and status reporting. Do NOT use for: writing technical specs, coding, testing, or requirements analysis (use ba).

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QA · j4flmao bundle
Use this skill when the user says 'test strategy', 'test plan', 'test case', 'test scenario', 'equivalence partitioning', 'boundary value analysis', 'defect report', 'test metrics', 'regression testing', 'smoke test', 'automation strategy', 'test coverage', or needs quality assurance. Covers: test strategy, test case design, defect management, test metrics, automation strategy, and regression testing. Do NOT use for: code quality standards (use qc), performance testing (use performance-profiler).

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Qc · j4flmao bundle
Use this skill when the user says 'code quality', 'quality gate', 'static analysis', 'coding standards', 'peer review', 'code coverage', 'cyclomatic complexity', 'lint rules', 'technical debt', 'quality metrics', 'quality dashboard', 'SonarQube', 'ESLint', 'quality checklist', or needs quality control. Covers: quality gates, static analysis enforcement, coding standards, peer review process, quality metrics, and technical debt management. Do NOT use for: test planning (use qa), performance optimization, or code review (use code-review).

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Abac Access Control · j4flmao bundle
Use this skill when the user says 'ABAC', 'attribute-based access control', 'fine-grained permissions', 'policy-based access control', 'OPA', 'Rego', 'XACML', 'attribute policies', 'context-aware authorization', 'dynamic permissions', 'risk-based access', 'environment-aware auth', 'conditional access', or when role-based permissions are insufficient and you need fine-grained control based on user attributes, resource properties, and environmental context. This skill covers: ABAC model (subject/resource/action/environment attributes), policy structure and combining algorithms, OPA/Rego implementation, hybrid RBAC-ABAC patterns, ABAC in applications, policy testing and simulation. Do NOT use for: basic role-based authorization, authentication flows, infrastructure policy (Kyverno/Gatekeeper), or Kubernetes admission control.

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Rbac · j4flmao bundle
Role-Based Access Control and OIDC integration skill for advanced harness engineering.

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Security Sbom · j4flmao bundle
Use this skill when asked about SBOM, software bill of materials, dependency graph, SPDX, CycloneDX, supply chain security, component inventory, or dependency analysis. This skill enforces: SBOM generation in CycloneDX/SPDX formats, dependency vulnerability correlation with severity gating, license compliance checks, and attestation signing. Do NOT use for: static code analysis (SAST), container image scanning, or secret detection.

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Commit · j4flmao
Stage and commit changes with conventional commit format. Use when the user says /commit or asks to commit.

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Deploy · j4flmao
Deploy the project to production. Only user-invocable — never auto-trigger.

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Elixir · j4flmao bundle
Use this skill when building with Elixir — Phoenix framework, OTP, BEAM, LiveView, Ecto, supervision trees. This skill enforces: OTP design principles, Phoenix context boundaries, LiveView state management, Ecto schema conventions, supervision tree structure. Do NOT use for: non-Elixir projects, frontend JavaScript, simple scripts better suited for Bash/Python.

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Data Data Lake · j4flmao bundle
Use this skill when building or operating data lakes with Delta Lake, Apache Iceberg, or Apache Hudi. This skill enforces: table format selection, ACID transactions on object storage, time travel, schema evolution, compaction and vacuum, Z-order/Hilbert clustering, incremental queries, CDC with merge-on-read vs copy-on-write. Do NOT use for: legacy Hive-style external tables (no ACID), raw file ingestion without table format, or data warehouse design.

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Data Data Mesh · j4flmao bundle
Use this skill when asked about data mesh, data product, domain ownership, self-serve data platform, federated governance, data-as-a-product, compute-plane architecture, or data topology. This skill enforces: data mesh four principles (domain ownership, data as product, self-serve platform, federated governance), data product definition with input/output ports, domain decomposition, cross-domain data sharing, and platform capability mapping. Do NOT use for: centralized data warehouse design, monolithic data platform architecture, or ETL pipeline implementation within a single domain.

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Data Streaming · j4flmao bundle
Use this skill when asked about streaming, Kafka, Flink, Kinesis, stream processing, event stream, real-time, CDC, change data capture, message queue, or stream architecture. This skill enforces: Kafka topic design with partitioning strategy, Flink/ksqlDB stream processing with exactly-once semantics, Schema Registry with Avro/Protobuf, CDC integration with Debezium, and reliability guarantees. Do NOT use for: batch ETL pipelines, API design, or standard message queues (RabbitMQ task queues).

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Desktop Appkit · j4flmao bundle
Use when the user asks about macOS app development with AppKit, Cocoa, Objective-C, Swift AppKit, macOS UI framework, or native Mac application architecture. Do NOT use for: SwiftUI (desktop-swiftui), or cross-platform desktop (desktop-electron, desktop-tauri).

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Ansible · j4flmao bundle
Use this skill when the user says 'Ansible', 'ansible-playbook', 'ansible-galaxy', 'playbook', 'inventory', 'role', 'task', 'module', 'ad-hoc command', 'configuration management', 'infrastructure automation', 'idempotent', 'Ansible Tower', 'AWX', 'Ansible Automation Platform'. Covers: playbooks, roles, inventory management, modules, variables, conditionals, loops, Jinja2 templates, vault encryption, Tower/AWX, collection development, CI/CD integration, idempotent automation. Do NOT use for: Terraform (use terraform), Puppet, Chef, SaltStack, or other configuration management tools.

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Argo CD · j4flmao bundle
Use this skill when the user says 'ArgoCD', 'Argo CD', 'GitOps', 'ApplicationSet', 'Sync Policy', 'Sync Wave', 'Application Controller', 'argocd CLI', 'Declarative GitOps', 'Progressive Delivery', 'Rollback', 'Multi-cluster ArgoCD', 'ArgoCD RBAC', 'ArgoCD SSO', 'ArgoCD Project'. Covers: application deployment, sync strategies, application sets, multi-cluster management, RBAC, SSO integration, monitoring, rollback, disaster recovery, CLI usage, declarative setup. Do NOT use for: Flux (use gitops skill), generic GitOps concepts, Kubernetes cluster setup, CI/CD pipeline design.

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Devops Dataops · j4flmao bundle
Use this skill when implementing DataOps: CI/CD for data pipelines, dbt CI/CD, SQLFluff, Great Expectations, data pipeline versioning, data testing in CI, data environment management, data contract CI, data lineage in CI/CD. Do NOT use for: data warehouse schema design (use data-warehouse), ETL pipeline design (use etl-pipeline), general CI/CD (use cicd-pipeline).

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Hetzner Cloud · j4flmao bundle
Use this skill when the user says 'hetzner', 'hetzner cloud', 'hcloud', 'hetzner dedicated', 'hetzner robot', 'hetzner auction', 'hetzner server', 'hetzner kubernetes', 'hcloud terraform', 'hcloud packer', 'hcloud cli', 'CX', 'CCX', 'CAX', 'Hetzner Storage Box', 'Hetzner vSwitch', 'Hetzner Firewall', 'Hetzner Load Balancer', 'Hetzner Floating IP', 'Hetzner Placement Group', 'Hetzner ISO'. Covers: Hetzner Cloud resources (servers, networks, firewalls, load balancers, volumes), Hetzner Dedicated (Robot servers), Hetzner Storage Boxes, Kubernetes on Hetzner, cost optimization. Do NOT use for: other cloud providers (AWS, Azure, GCP, Oracle, IBM).

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Jenkins · j4flmao bundle
Use this skill when the user says 'jenkins', 'jenkins pipeline', 'jenkinsfile', 'declarative pipeline', 'scripted pipeline', 'jenkins shared library', 'jenkins agent', 'jenkins node', 'jenkins plugin', 'jenkins blue ocean', 'jenkins credentials', 'jenkins multibranch', 'jenkins folder', 'jenkins job', 'jenkins groovy', 'pipeline as code', 'agent any', 'post block', 'when block', 'parallel pipeline', 'stage', 'declarative pipeline', 'scripted pipeline', 'pipeline syntax', 'jenkinsfile best practices', 'jenkins security', 'jenkins high availability', 'jenkins backup', 'jenkins casC', 'configuration as code', 'jenkins operator', 'jcasc', 'shared library', 'pipeline utility steps', 'jenkinsfile generator'. Covers: Jenkins pipeline development, shared libraries, multibranch pipelines, security hardening, high availability, configuration as code, plugin management, and operations.

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Ember · j4flmao bundle
Use this skill when the user says 'Ember.js', 'Ember app', 'Ember setup', 'Ember CLI', 'Ember Data', 'Ember Octane', 'Ember component', 'Ember route', 'Ember service', or when building ambitious web applications with Ember.js. This skill enforces: convention over configuration, Ember CLI for code generation, Ember Data for state management, Octane patterns (glimmer components, tracked properties, native classes). Requires package.json with ember-source or ember-cli. Do NOT use for: React/Vue/Angular projects, vanilla JS, or non-Ember projects.

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Dart · j4flmao bundle
Dart Skill Architecture

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Java · j4flmao bundle
Use this skill when the user asks about Java build tools, Maven, Gradle, module system, records, streams, Optional, concurrency, testing, or production deployment. Focus on tooling, modern Java features, and ecosystem — not syntax.

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Rust · j4flmao bundle
Rust Skill Architecture

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Ml Ml Pipeline · j4flmao bundle
Use this skill when building ML pipelines: Kubeflow Pipelines, TFX, SageMaker Pipelines, Vertex AI Pipelines, ML CI/CD, model training pipeline, data validation, model validation, pipeline orchestration. This skill enforces: pipeline component decomposition, data validation gates, model validation thresholds, CI/CD integration, artifact tracking, pipeline versioning. Do NOT use for: model training hyperparameter tuning, feature store configuration, model serving deployment.

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Ml Time Series · j4flmao bundle
Use this skill when forecasting time series data, modeling trend/seasonality, applying ARIMA/SARIMA/Prophet/LSTM/TFT, or performing temporal cross-validation. This skill enforces: decomposition analysis (trend/seasonality/residual), stationarity testing, model selection by data characteristics, temporal cross-validation, forecast evaluation with MASE/sMAPE. Do NOT use for: generic regression on non-temporal data, anomaly detection in time series (use ml-anomaly-detection), causal inference with time series, or real-time streaming (use data-streaming skill).

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Android · j4flmao bundle
Use this skill when the user asks about Android development, Kotlin, Jetpack Compose, Android architecture, MVVM, Clean Architecture, Room, Hilt, Retrofit, or Android testing.

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Flutter Expertise · j4flmao bundle
Expert knowledge in Flutter, focusing on State Management and Render Tree optimization.

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Genai Vision · j4flmao
Integrating Stable Diffusion for vision generation and Whisper for audio/multimodal tasks.

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Core Onboarding · j4flmao bundle
Use this skill when the user says 'onboarding', 'new developer', 'new team member', 'setup guide', 'getting started', 'dev environment setup', 'new joiner', 'ramp up'. Produces a structured onboarding plan and environment setup guide for new team members. Do NOT use for: project initialization or README writing.

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Desktop Swiftui · j4flmao bundle
Use when the user asks about SwiftUI for macOS, SwiftUI desktop patterns, AppKit bridging, SwiftUI app lifecycle, or SwiftUI multiplatform apps. Do NOT use for: AppKit-only (desktop-appkit), or iOS SwiftUI (mobile skill).

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Cdn Edge · j4flmao bundle
Use this skill when the user says 'CDN', 'edge', 'content delivery', 'CloudFront', 'Cloud CDN', 'Azure CDN', 'Akamai', 'Fastly', 'Cloudflare', 'edge computing', 'edge functions', 'WAF', 'DDoS protection', 'cache invalidation', 'signed URL', 'origin shield'. Covers: CDN architecture, caching strategies, edge computing (CloudFront Functions, Lambda@Edge, Cloudflare Workers, Fastly Compute@Edge), WAF rules, DDoS mitigation, CDN provider comparison, origin configuration, SSL/TLS, signed URLs/cookies. Do NOT use for: general DNS, Kubernetes ingress.

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Circleci · j4flmao bundle
Use this skill when the user says 'CircleCI', 'circleci config', 'orb', 'workflows', 'jobs', 'steps', 'executors', 'Docker executor', 'machine executor', 'CircleCI runner', 'pipeline', 'context', 'store_artifacts', 'save_cache', 'restore_cache', 'parallelism', 'circleci local', 'SSH debug'. Covers: CircleCI configuration (config.yml), executors, jobs, workflows, caching, orbs, matrix builds, contexts, parallel execution, self-hosted runners, pipeline parameters, triggers, artifacts, test splitting, SSH debug. Do NOT use for: GitHub Actions, GitLab CI, Jenkins, or other CI systems.

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Longhorn · j4flmao bundle
Use this skill when deploying and managing Longhorn distributed storage on Kubernetes -- installation, volume management, backup, disaster recovery, performance tuning, monitoring. This skill enforces: minimum 3 nodes for production, replica count 3 for all production volumes, S3-compatible backup target, monitoring alerts for volume degraded and disk space. Do NOT use for: non-Kubernetes storage solutions, other CSI drivers, cloud-managed storage (EBS, GCE PD).

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Monorepo · j4flmao bundle
Use this skill when the user says 'monorepo', 'Nx', 'Turborepo', 'NX', 'nx build', 'nx affected', 'workspace', 'dependency graph', 'build orchestration', 'remote caching', 'task orchestration', 'shared configuration', 'lerna', 'pnpm workspace', 'yarn workspace', 'npm workspace', 'project graph', 'module boundary', 'computation caching'. Covers: Nx workspaces, Turborepo pipelines, dependency graph management, build orchestration, caching, task distribution, module boundary enforcement. Do NOT use this for: single-package projects, non-JS/TS monorepos without build tooling, or Git submodule strategies.

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Preact · j4flmao bundle
Use this skill when the user says 'Preact', 'Preact setup', 'Preact signals', 'Preact hooks', 'Preact vs React', 'Preact project', 'Preact SSR', or when creating a Preact application. This skill enforces: Preact as React drop-in, signals for state management, compat layer usage, tiny bundle patterns, hooks compliance. Requires package.json with preact dependency. Do NOT use for: React-specific patterns (createContext, ReactDOM), Vue/Angular/Svelte, or non-Preact projects.

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Scala · j4flmao bundle
Scala Skill Architecture

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Swift · j4flmao bundle
Swift Skill Architecture

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Ml Classical Ml · j4flmao bundle
Use this skill when asked about scikit-learn, XGBoost, LightGBM, CatBoost, regression, classification, clustering, ensemble, random forest, gradient boosting, SVM, PCA, feature importance, or cross-validation. This skill enforces: supervised learning pipelines (regression and classification metrics), ensemble methods (bagging, boosting, stacking), gradient boosting hyperparameter tuning (XGBoost, LightGBM, CatBoost), unsupervised learning (clustering dimensionality reduction), scikit-learn Pipeline and ColumnTransformer, cross-validation strategies, and imbalanced data handling. Do NOT use for: deep neural networks, reinforcement learning, or transformer models.

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Web Performance · j4flmao
Optimization strategies for Core Web Vitals (LCP, FID/INP, CLS).

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Oak Backend · j4flmao bundle
Use this skill when building Oak backend applications — Deno native HTTP framework, middleware context, composable middleware. This skill enforces: middleware composition, proper context usage, Deno permissions, type-safe routing. Do NOT use for: Node.js Express projects, Hono on Deno, traditional Node.js backends.

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PHP Pure · j4flmao bundle
Use this skill when building PHP applications without a framework — PSR standards, routing, middleware, database access, error handling, and security. This skill enforces: PSR-4 autoloading, PSR-7 request/response, PSR-15 middleware, PSR-11 container, PSR-3 logging. Requires PHP 8.1+. Do NOT use for: Laravel, Symfony, WordPress, or framework-specific PHP development.

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PHP Zend · j4flmao bundle
Use this skill when the user says 'Zend', 'Laminas', 'Zend Framework', 'Laminas MVC', 'laminas-servicemanager', 'laminas-db', 'laminas-form', 'laminas-inputfilter', 'laminas-router', 'laminas-view', 'laminas-module', 'Mezzio', 'laminas-stratigility', 'API Platform', 'Doctrine ORM', 'Zend Framework 3', 'ZF3', 'Zend Expressive'. Covers: Laminas MVC project structure, Module system, ServiceManager DI, routing, controllers, database (laminas-db + Doctrine), forms, validation, views, Mezzio middleware, API development, security, testing. Do NOT use this for: Laravel (use php-laravel), plain PHP (use php-pure), or Symfony-specific questions.

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Data Reverse Etl · j4flmao bundle
Use this skill when asked about reverse ETL, Census, Hightouch, Grouparoo, operational analytics, syncing data from warehouse to SaaS, warehosue-to-SaaS, operational data activation, data warehouse as source, sync configs, idempotent syncs, audience export, or data activation. This skill enforces: warehouse-first sync architecture with idempotent writes, incremental and full-refresh sync modes, API rate-limit aware scheduling, and destination-specific deduplication strategies. Do NOT use for: traditional ETL (warehouse as target), streaming CDC, or data ingestion pipelines.

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Desktop Electron · j4flmao bundle
Use when the user asks about Electron app development, Chromium-based desktop apps, main/renderer process architecture, IPC communication, or packaging Electron apps. Do NOT use for: Tauri (desktop-tauri), or web app frontend (non-desktop skills).

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Desktop Winforms · j4flmao bundle
Use when the user asks about Windows Forms (WinForms) development, .NET desktop UI, WinForms controls, GDI+ drawing, or legacy Windows app maintenance. Do NOT use for: WPF (desktop-wpf), WinUI 3 (desktop-winui3), or UWP (desktop-uwp).

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Backup Dr · j4flmao bundle
Use this skill when the user says 'backup', 'disaster recovery', 'DR', 'RPO', 'RTO', 'backup strategy', '3-2-1 rule', 'business continuity', 'disaster recovery plan', 'failover', 'failback', 'replication', 'snapshot', 'backup automation', 'backup validation', 'offsite backup', 'immutable backup', 'ransomware protection'. Covers: backup strategies (3-2-1 rule), disaster recovery planning, RPO/RTO definition, backup automation, replication, failover testing, cloud DR (pilot light, warm standby, multi-region), backup validation, compliance (SOC 2, HIPAA, PCI), ransomware recovery. Do NOT use for: database-specific replication (use database-migration), storage architecture design (use storage-infrastructure).

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Devops Gitlab CI · j4flmao bundle
GitLab CI/CD pipeline configuration and management. Covers: .gitlab-ci.yml structure, stages, jobs, parallel, needs, artifacts, cache, child/parent pipelines, multi-project pipelines, rules, YAML anchors, templates, includes, Container Registry, Kaniko, security scanning (SAST, DAST, dependency), runner management, autoscaling. Do NOT use for: GitHub Actions, CircleCI, Jenkins, or other CI/CD platforms.

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Ibm Cloud · j4flmao bundle
Use this skill when the user says 'ibm cloud', 'ibm cloud infrastructure', 'ibm cloud services', 'ibm cloud pak', 'ibm cloud foundry', 'ibm cloud kubernetes', 'iks', 'ibm cloud satellite', 'ibm cloud schematics', 'ibm cloud terraform', 'ibm cloud iam', 'ibm cloud vpc', 'ibm cloud vsi', 'ibm cloud load balancer', 'ibm cloud dns', 'ibm cloud direct link', 'ibm cloud cos', 'ibm cloud object storage', 'ibm cloud databases', 'ibm cloud data engines', 'ibm cloud event streams', 'ibm cloud api gateway', 'ibm cloud functions', 'ibm cloud code engine', 'ibm cloud monitoring', 'ibm cloud logging', 'ibm cloud activity tracker', 'ibm cloud security groups', 'ibm cloud acl', 'ibm cloud transit gateway', 'watson', 'ibm cloud pak for data', 'ibm cloud pak for applications', 'ibm cloud pak for integration'. Covers: IBM Cloud VPC, IKS (Kubernetes), Object Storage, VSI, IAM, networking, terraform provider, Satellite, Schematics.

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Terraform · j4flmao bundle
Use this skill when provisioning infrastructure with Terraform — module structure, state management, remote backends, workspaces, CI/CD integration, policy as code. This skill enforces: environment directory structure, remote backends with state locking, semantic versioning for modules, no hardcoded values, sensitive output marking, plan review before apply. Do NOT use for: configuration management (use Ansible), Kubernetes application deployment (use Helm), non-HashiCorp IaC tools.

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Stencil · j4flmao bundle
Use this skill when the user says 'Stencil', 'Stencil.js', 'Stencil component', 'Stencil web component', 'Stencil setup', 'Stencil compiler', 'Stencil design system', 'web component compiler', or when building reusable web components with Stencil. This skill enforces: Stencil decorators (@Component, @Prop, @State, @Event), JSX-based component compilation, lazy-loading for performance, framework-agnostic output. Requires Stencil CLI (@stencil/core). Do NOT use for: non-web-component projects, React/Vue components that don't need framework-agnostic output, or vanilla custom elements.

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Csharp · j4flmao bundle
C# Skill Architecture

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Elixir 2 · j4flmao bundle
Use this skill when the user asks about Elixir build tools, Mix, OTP, Phoenix, Ecto, supervision trees, concurrency, testing, or production deployment. Focus on BEAM/Erlang VM, tooling, and ecosystem — not syntax.

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Kotlin · j4flmao bundle
Kotlin Skill Architecture

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Python · j4flmao bundle
Use this skill when the user asks about Python build tools, packaging, dependency management, virtual environments, type annotations, async/await, testing, or production deployment. Focus on tooling and ecosystem — not language syntax.

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Ml Deep Learning · j4flmao bundle
Use this skill when asked about PyTorch, TensorFlow, Keras, neural network, CNN, RNN, LSTM, transformer, GAN, autoencoder, training loop, backpropagation, gradient descent, CUDA, distributed training, or mixed precision. This skill enforces: PyTorch training loop with nn.Module and DataLoader, TensorFlow Keras Sequential/Functional APIs, CNN architectures (ResNet, EfficientNet), RNN/LSTM/GRU for sequences, transformer implementations (self-attention, positional encoding), distributed training (DDP, FSDP), mixed precision (AMP), and CUDA optimization. Do NOT use for: classical ML models, feature engineering, or MLOps pipeline configuration.

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Ml Feature Store · j4flmao bundle
Use this skill when designing feature stores: Feast, Tecton, online features, offline features, point-in-time join, feature serving, feature registry, feature transformation, feature validation. This skill enforces: feature repository structure, point-in-time correctness, online/offline serving separation, feature validation with freshness checks, feature registry with documentation. Do NOT use for: model training pipeline, embedding storage, vector database configuration.

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Ml Model Serving · j4flmao bundle
Use this skill when deploying models for inference: TorchServe, BentoML, Ray Serve, KServe, Seldon Core, model deployment, A/B testing, autoscaling, canary deployment, model versioning, inference optimization. This skill enforces: framework selection based on model type, deployment strategy documentation, autoscaling configuration, model versioning scheme, rollback procedure, inference optimization. Do NOT use for: model training, feature store serving, pipeline orchestration, prompt engineering.

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Edr Xdr · j4flmao bundle
Manage endpoint detection and response, EDR/XDR platforms, detection rules, and incident investigation. Use when the user asks about EDR, XDR, endpoint detection, CrowdStrike, Defender, SentinelOne, or detection rule.

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Fix Issue · j4flmao
Fix a GitHub issue by number. Read the issue, implement the fix, write tests, commit.

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LLM Finetuning · j4flmao
Best practices for dataset preparation and PEFT/LoRA fine-tuning.

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Project Init · j4flmao bundle
Use this skill when the user says 'create project structure', 'scaffold project', 'initialize project', 'set up folder structure', 'new project from scratch', or when a new project needs folders and config files created. This skill scaffolds the full project tree based on detected or stated stack and creates AGENTS.md with project-specific rules. Do NOT use for: adding files to an existing project, planning features, or installing dependencies.

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Data Data Catalog · j4flmao bundle
Use this skill when asked about data catalog, DataHub, Amundsen, Apache Atlas, OpenMetadata, metadata management, data discovery, business glossary, data lineage, data ownership, or column-level lineage. This skill enforces: metadata ingestion pipelines, column-level lineage tracking, business glossary management, data discovery with search, catalog API usage, data ownership and stewardship models, and usage analytics. Do NOT use for: data quality testing, pipeline orchestration, or data storage design.

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Data Formats · j4flmao bundle
Use this skill when asked about Apache Arrow, Parquet, Avro, ORC, Arrow Flight, columnar storage, row-oriented storage, compression, schema evolution, data file format, columnar vs row-oriented, file format comparison, or data serialization. This skill enforces: columnar format selection based on access patterns, Parquet row group sizing and encoding optimization, Arrow in-memory format for analytical workloads, Arrow Flight for high-performance data transport, compression codec selection, and schema evolution compatibility. Do NOT use for: streaming data formats (Avro for Kafka), data modeling, or database storage engine design.

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Data Lineage · j4flmao bundle
Use this skill when asked about data lineage, OpenLineage, Marquez, DataHub, column-level lineage, impact analysis, data provenance, data dependency tracking, or lineage graph models. This skill enforces: OpenLineage integration for standardized lineage collection, Marquez or DataHub deployment for lineage storage and querying, column-level lineage with SQL parsing, impact analysis for downstream dependency detection, and lineage graph visualization. Do NOT use for: data pipeline orchestration (use data-etl-pipeline), data quality validation (use data-data-quality), or data catalog search (use data-catalog).

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Data Data Quality · j4flmao bundle
Use this skill when asked about data quality, data validation, data profiling, Great Expectations, dbt tests, data observability, Soda, Monte Carlo, data contracts, schema validation, or data SLAs. This skill enforces: data quality dimensions (completeness, accuracy, timeliness, consistency, uniqueness, integrity), automated validation with Great Expectations (expectations suites, data docs, checkpoints) and dbt tests (singular, generic, freshness), data observability with Soda/Monte Carlo monitoring, data SLAs with escalation, and data contract enforcement between producers and consumers. Do NOT use for: ETL pipeline design, data warehouse schema design, or BI dashboard configuration.

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Data Testing · j4flmao bundle
Use this skill when asked about data testing, dbt unit testing, data-diff, datafold, Soda, Great Expectations, data regression testing, data quality testing, data contract testing, or data validation automation. This skill enforces: dbt unit testing with dbt-unit-testing package, regression detection with data-diff and datafold, data quality validation with Soda and Great Expectations, data contract enforcement, and CI/CD integration for automated data testing. Do NOT use for: pipeline monitoring (use data-observability), schema design (use data-warehouse), or generic software testing (use testing skill).

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Data Etl Pipeline · j4flmao bundle
Use this skill when asked about ETL, ELT, data pipeline, Airflow, dbt, data transformation, data ingestion, batch processing, or pipeline orchestration. This skill enforces: pipeline architecture with Airflow DAG design, dbt transformation with incremental loading, error handling with retry and dead-letter, data validation checks, and observability. Do NOT use for: real-time streaming (Kafka/Flink), data warehouse schema design, or BI dashboard configuration.

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Bare Metal · j4flmao bundle
Use this skill when the user says 'bare metal', 'physical server', 'provisioning', 'PXE boot', 'IPMI', 'BMC', 'iDRAC', 'iLO', 'RMM', 'server lifecycle', 'burn-in testing', 'firmware update', 'RAID', 'BIOS configuration', 'server automation', 'MAAS', 'Metal3', 'Rack deployment', 'data center hardware', 'server imaging'. Covers: server provisioning (PXE, iPXE, MAAS), firmware lifecycle, IPMI/BMC management, RAID configuration, burn-in testing, server automation, hardware asset management, BIOS tuning. Do NOT use for: cloud infrastructure (use cloud-specific skills), Kubernetes on bare metal (use kubernetes-patterns).

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Datacenter · j4flmao bundle
Use this skill when the user says 'datacenter', 'data center', 'DC', 'rack', 'power', 'cooling', 'PDU', 'UPS', 'Tier classification', 'N+1 redundancy', '2N redundancy', 'cabling', 'fiber', 'copper', 'hot aisle', 'cold aisle', 'rack density', 'kW per rack', 'DCIM', 'data center operations', 'colocation'. Covers: datacenter tier classification (Tier I-IV), power and cooling design, rack layout, cabling standards, DCIM tools, capacity planning, redundancy models, environmental monitoring, colocation selection. Do NOT use for: cloud infrastructure (use cloud-specific skills), server provisioning (use bare-metal skill).

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Kubernetes · j4flmao bundle
Use this skill for Kubernetes cluster administration, architecture, operations, and production best practices. Covers: cluster architecture (control plane, etcd, worker nodes), networking (CNI, Service, Ingress, NetworkPolicies), storage (CSI, PVC, StorageClasses), security (RBAC, PodSecurity, secrets), scheduling (taints/tolerations, node affinity, topology spread), upgrades, backup/DR, and cluster autoscaling. Do NOT use for: application-level Kubernetes patterns (kubernetes-patterns), Helm chart design (helm-patterns), service mesh (service-mesh), or cloud-specific managed Kubernetes (aws/gcp/azure).

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Monitoring · j4flmao bundle
Use this skill when configuring observability and monitoring stack — Prometheus, Grafana, Loki, ELK Stack. This skill enforces: Prometheus scrape configs with relabeling, Grafana dashboard folder hierarchy, Loki log label strategy, Alertmanager routing by severity, SLO tracking with error budgets. Do NOT use for: application-level instrumentation, CI/CD pipeline monitoring, infrastructure provisioning.

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Serverless · j4flmao bundle
Use this skill when the user says 'serverless', 'lambda', 'aws lambda', 'functions', 'function as a service', 'faas', 'azure functions', 'google cloud functions', 'knative', 'openfaas', 'serverless framework', 'chalice', 'zappa', 'apigw', 'api gateway', 'event-driven', 'cold start', 'provisioned concurrency', 'reserved concurrency', 'lambda layers', 'step functions', 'durable functions', 'serverless observability', 'serverless monitoring', 'serverless security', 'serverless cost', 'serverless best practices', 'serverless framework deployment'. Covers: AWS Lambda, Azure Functions, Google Cloud Functions, serverless framework, event-driven patterns, cold start optimization, monitoring, security, and cost management.

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Alpinejs · j4flmao bundle
Use this skill when the user says 'Alpine.js', 'Alpine setup', 'Alpine component', 'Alpine x-data', 'Alpine x-init', 'Alpine reactive', 'Alpine project', or when building with Alpine.js. This skill enforces: HTML attribute-driven reactivity, Alpine directives (x-data, x-bind, x-on, x-show, x-for), store pattern for shared state, minimal JavaScript. Requires Alpine.js in the project (CDN or npm). Do NOT use for: Vue/React/Svelte component patterns, heavy JS frameworks, or non-Alpine projects.

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Planning Cost Benefit · j4flmao bundle
Use this skill when the user says 'cost-benefit analysis', 'ROI', 'TCO', 'cost estimation', 'benefit estimation', 'business case', 'investment analysis', 'build vs buy', 'net present value', 'payback period', 'sensitivity analysis'. This skill enforces: comprehensive cost estimation covering build vs buy, TCO components (labor, infrastructure, maintenance, training, migration), benefit quantification across efficiency gains, revenue impact, and risk reduction, ROI and NPV calculation with discount rates, sensitivity analysis for key variables, and structured business case presentation. Do NOT use for: market analysis, pricing strategy, or financial accounting.

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Create Brief · j4flmao bundle
Use this skill when the user says 'I want to build', 'new app idea', 'create a brief', 'product brief', 'help me define what I am building', or when no existing brief or PRD exists in the docs/ folder. This skill translates a vague idea into a structured Product Brief. It asks 5 targeted questions one at a time, then produces a brief artifact. Do NOT use for: technical specifications, architecture decisions, or user stories. Those come after the brief.

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Create Story · j4flmao bundle
Use this skill when the user says 'create story', 'next story', 'implement STORY-XXX', 'pick up next ticket', 'what should I build next', 'story from PRD', or when the planning phase is done and implementation needs to start. This skill selects the next unimplemented story from the PRD backlog and produces a single, detailed implementation story file with acceptance criteria and technical notes. Do NOT use for: creating epics, writing briefs, technical specs, or recording ADRs.

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Product User Research · j4flmao bundle
Use this skill when conducting user research: interviews, usability testing, persona creation, and insight synthesis. This skill enforces: research question definition, participant recruitment, interview protocols, usability testing methodology. Do NOT use for: quantitative surveys, A/B testing, market sizing, competitive analysis.

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Quality Smoke Testing · j4flmao bundle
Use when the user asks about smoke testing, build verification testing (BVT), deployment health checks, canary testing, sanity testing, or CI/CD pipeline health checks. Do NOT use for: full regression testing (quality-regression-testing), acceptance testing (quality-acceptance-testing), or end-to-end testing (quality-e2e-testing).

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645 published skills · page 5 of 7