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jander99

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• 23 skills
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• 1 week ago last updated

1. ▌
   Opentelemetry Tracing · jander99 bundle

   Instrument, configure, debug, and optimize OpenTelemetry distributed tracing for Java and TypeScript microservices. Create spans, propagate context, configure exporters, implement sampling. Use when adding tracing, debugging broken traces, or connecting services with W3C Trace Context.
   1 install
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   Github Project Manager · jander99 bundle

   Manage, configure, generate, validate, and set up GitHub Projects (v2) with issue creation, project discovery, adding items to projects, and updating issue status across project boards. Capabilities include creating issues with metadata (labels, assignees, milestones), listing projects for users/orgs, adding issues/PRs to projects, updating project item fields (status, priority), and managing project workflows (Backlog, Ready, In Progress, Done). Use GraphQL fallback, node IDs, MCP server tools, and batch operations for project item automation. Use when creating GitHub issues, managing project boards, moving issues between project columns, organizing repository work items, tracking project progress, automating GitHub project workflows, or integrating project boards with CI/CD pipelines.
   1 install
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   Angular State · jander99 bundle

   Create, implement, debug, refactor, and optimize Angular state management with RxJS observables, subjects, signals, operators, and reactive patterns. Fix memory leaks, manage subscriptions, handle async data streams. Use when building reactive Angular components, services, or stores.
   1 install
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   Github Actions · jander99 bundle

   Create, configure, optimize, and debug GitHub Actions CI/CD workflows, jobs, triggers, caching, matrix builds, reusable workflows, and secrets. Use when writing .github/workflows YAML, fixing pipeline failures, or improving CI speed.
   1 install
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   Gke Deployment · jander99 bundle

   Deploy, configure, manage, scale, and secure Kubernetes workloads on GKE with Deployments, Services, Ingress, HPA, health probes, ConfigMaps, and Secrets. Build rolling update strategies, blue-green or canary releases, Workload Identity bindings, ManagedCertificate HTTPS Ingress, and container-native NEG load balancers. Write resource requests, limits, and topologySpreadConstraints for production. Use when deploying containers or microservices to GKE, configuring load balancers, setting up autoscaling, writing health checks, managing environment configs, troubleshooting pod issues, or integrating Workload Identity for GCP API access.
   1 install
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   Spring Testing · jander99 bundle

   Write, create, and generate Spring Boot tests with JUnit 5, MockMvc, Mockito, and Testcontainers. Implement unit tests (pure Mockito), slice tests (@WebMvcTest, @DataJpaTest, @JsonTest), and integration tests (@SpringBootTest). Use when testing controllers, repositories, services, REST APIs, or setting up test fixtures. Covers test organization, mocking strategies, test data builders, and debugging test failures.
   1 install
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   Angular Testing · jander99 bundle

   Write, create, generate, debug, and fix Angular unit tests, component tests, service tests, and e2e tests. Vitest is the default test runner for Angular v21+ (also supports Jest, Jasmine, Cypress, Playwright, TestBed). Use when testing components, services, signals, observables, DOM interactions, or mocking dependencies.
   1 install
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   Markdown Editor · jander99 bundle

   Create, write, generate, edit, update, and format markdown documentation (README, CHANGELOG, research notes, plans, guides, tutorials). Handles frontmatter metadata, directory organization, and file naming. Use when writing .md files, documenting code, creating project docs, saving research findings, building README files, managing TODO lists, or generating any markdown content.
   1 install
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   Spring Reactive · jander99 bundle

   Build, configure, deploy, monitor, and optimize reactive APIs and services with Spring WebFlux, Project Reactor (Mono, Flux), WebClient, and reactive operators. Capabilities include MDC context propagation (ContextRegistry, Hooks.enableAutomaticContextPropagation), WebClient configuration (timeouts, error handling, retry), reactive operator chains (flatMap, switchIfEmpty, zip), and blocking detection with BlockHound. Configure Schedulers, WebTestClient, deferContextual, and contextWrite for production. Use when implementing WebFlux endpoints, propagating MDC/trace context across reactive boundaries, configuring WebClient, debugging context loss, handling backpressure, or testing reactive streams with StepVerifier.
   1 install
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    Spring Security · jander99 bundle

    Configure, implement, secure, validate, and audit Spring Security with SecurityFilterChain, JWT validation, OAuth2 resource server, method security, and CORS. Use when adding authentication, authorization, or protecting REST APIs.
    1 install
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    Spring Boot Core · jander99 bundle

    Build, create, configure, structure, and scaffold Spring Boot 3.x microservices with dependency injection (constructor injection), @ConfigurationProperties validation, profile-based configuration (dev/staging/prod), Actuator health checks, custom HealthIndicator beans, Kubernetes liveness/readiness probes, and bean lifecycle management. Fix DI failures (UnsatisfiedDependencyException, NoSuchBeanDefinitionException) and BindException errors, validate environment-specific YAML, and implement secure configuration patterns. Use when creating Spring Boot services, configuring beans, setting up health endpoints, implementing DI patterns, or structuring microservice projects.
    1 install
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    Angular Components · jander99 bundle

    Create, build, refactor, and optimize Angular components with signals, inputs, outputs, lifecycle hooks, change detection, content projection, and smart/presentational patterns. Use when building UI components, fixing component bugs, or improving performance.
    1 install
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    Prometheus Alerting · jander99 bundle

    Write, create, debug, and optimize Prometheus alerting rules, PromQL queries, recording rules, and metric configurations. Covers metric types (counter, gauge, histogram, summary), cardinality management, SLI/SLO patterns, and alert fatigue prevention. Use when writing PromQL, creating alerts, debugging metrics, or implementing observability.
    1 install
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    Typescript Advanced · jander99 bundle

    Design, implement, refactor, and debug advanced TypeScript patterns including generics, utility types, mapped types, conditional types, type guards, discriminated unions, and strict mode configuration. Use when writing type-safe code, fixing type errors, or improving type inference.
    1 install
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    Kubernetes Debugging · jander99 bundle

    Debug, troubleshoot, diagnose, analyze, and resolve Kubernetes cluster incidents with kubectl (get, describe, logs, exec, debug). Interpret pod status (CrashLoopBackOff, ImagePullBackOff, Pending, OOMKilled, Evicted), analyze events, inspect containers, check resources, run ephemeral debug containers, and audit namespace contexts. Use kubectl debug with netshoot or busybox images for distroless and crashed containers, and run kubectl rollout status to monitor stuck deployments. Use when pods crash, services fail, deployments hang, or containers won't start.
    1 install
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    Retro · jander99 bundle

    Run, write, generate, record, save, persist, and synthesize agent retrospectives and lessons learned after completing tasks. Self-assess session quality, identify mistakes, extract reusable patterns, and update persistent LESSONS.md files using the retrieve-verify loop. Auto-trigger setup: install OpenCode plugin hooks, Claude Code Stop hooks, and Cline TaskComplete hooks so the retro prompt fires automatically when all todos complete — but the agent always asks the user 1–2 targeted questions before writing (retros never resolve silently). Works with session_read (OpenCode), context-window reconstruction (Claude Code, Cursor, Gemini CLI), and compaction pipelines. Use when finishing a task, at session end, when asked to reflect, review, debrief, or write a post-mortem, or when setting up automatic retro triggers.
    1 install
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    Anylogic · jander99 bundle

    Create, build, edit, validate, run, and export AnyLogic models with local-binary workflows and documented model structures (statecharts, parameter expressions, experiments, CLI, XML, Java, ALP, ALPX). Use when building or revising AnyLogic statecharts, changing parameter expressions, probing a local installation, running experiments, exporting standalone applications, or checking which documented binary surfaces are actually available.
    1 install
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    Helm Charts · jander99 bundle

    Create, write, build, develop, debug, test, package, and deploy Helm charts with templates, values, helpers, dependencies, and tests. Use when authoring Kubernetes charts, writing values.yaml, creating _helpers.tpl, managing chart dependencies, or troubleshooting template errors.
    1 install
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    Python Core · jander99 bundle

    Create, write, build, debug, test, refactor, and optimize Python 3.10+ applications across all domains (data science, backend APIs, scripting, automation). Manage dependencies with uv (preferred), poetry, or pip. Implement type hints (typing module, generics, protocols), write tests with pytest (fixtures, parametrize, mocking), work with pandas DataFrames (creation, selection, groupby, merge), use dataclasses and decorators, handle errors with logging integration, and follow TDD workflows (Red-Green-Refactor). Configure virtual environments, pyproject.toml, and static analysis tools (mypy, pyright). Use when implementing Python features, fixing bugs, writing tests, managing packages, analyzing data, or building Python projects.
    1 install
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    Spring Data · jander99 bundle

    Create, design, build, optimize, and debug Spring Data JPA entities, repositories, queries, projections, and transactions. Detect and fix N+1 queries, configure auditing, write JPQL and native SQL. Use when implementing data access layers, fixing performance issues, or building repository patterns.
    1 install
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    Loki Logging · jander99 bundle

    Write, debug, optimize LogQL queries, design log labels, configure structured logging, create log-based metrics and alerts, correlate logs with traces using traceID. Use when querying Loki, troubleshooting log pipelines, building observability dashboards, or investigating incidents.
    1 install
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    Nx Workspace · jander99 bundle

    Create, configure, manage, and optimize NX monorepo workspaces. Generate libraries, run affected commands, configure caching, enforce module boundaries with tags, visualize dependency graphs, and set up CI pipelines. Use when building, structuring, or scaling TypeScript/JavaScript monorepos.
    1 install
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    Skill Helper · jander99 bundle

    Create, validate, audit, review, refactor, optimize, and improve Agent Skills. Works with YAML frontmatter, SKILL.md docs, trigger-rich descriptions, slash commands, and automated validation + grading to keep skills consistent and discoverable.
    1 install