Seth Hobson

Plan and carry out an AngularJS to Angular migration, from choosing a rewrite strategy to converting components, services, and routes. Includes a hybrid approach that runs both frameworks together while individual features are migrated.

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• Planning an AngularJS to Angular migration
• Moving a large app one feature at a time
• Converting directives into Angular components

Build Next.js applications with App Router patterns for page structure, data fetching, caching, and progressive page loading. Covers server and browser component responsibilities, route design, Server Actions, and migration from Pages Router.

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• Build a new application with App Router
• Migrate an application from Pages Router
• Add progressive loading for slow data sources

Structure mobile apps built with React Native and Expo. Covers navigation, state management, device feature integration, offline data synchronization, and performance practices, helping developers organize projects and account for differences between iOS and Android.

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• Structuring a new React Native or Expo app
• Designing tabs, authentication screens, and modals
• Planning device integrations and offline synchronization

Install and operate an X/Twitter plugin for Hermes Agent to research accounts, read posts, and summarize mentions. Prepare responses or campaigns from public context, with explicit approval required for private reads and operations that change data.

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• Research an account before drafting a reply
• Track mentions around a product launch
• Triage support requests and audit giveaways

Investigate active macOS connection failures without changing network settings. Uses built-in tools to distinguish local network, DNS name lookup, upstream path, and application problems, then reports evidence, confidence, and the next useful diagnostic check.

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• Investigate API or MCP service timeouts
• Check failed or inconsistent DNS lookups
• Locate likely causes of video call lag

Write JavaScript and TypeScript tests with Jest, Vitest, and Testing Library. Covers functions, UI components, and APIs, including mock replacements for external services, reusable test data, and setup for automated testing.

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• Set up testing for a new project
• Test functions and API error handling
• Check React component behavior

Refactor JavaScript using ES6+ features to make code easier to read and maintain. Covers asynchronous operations with async/await, modules, and functional patterns that transform data without changing the original values.

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• Refactoring legacy JavaScript
• Migrating callbacks to async/await
• Building data transformation pipelines

Build Node.js APIs and backend services with Express/Fastify. The skill guides authentication, database integration, error handling, and operational practices such as logging and health checks, which report whether a service is working.

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• Build a REST API with Express/Fastify
• Add authentication and database integration
• Organize middleware and error handling

Design reusable TypeScript components and API types with checks at compile time. Use generics, conditional rules, property transformations, and string patterns to derive types from existing definitions and verify how those types behave.

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• Designing API clients with compile-time type checks
• Creating reusable components and helper types
• Defining types for configuration and state management

Build Helm charts, reusable packages for deploying Kubernetes applications. Organize templates, manage configuration values for different environments, document settings, and validate charts before packaging or installation, with guidance for troubleshooting deployment and dependency problems.

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• Create a Helm chart from scratch
• Package a Kubernetes application for distribution
• Manage deployment settings across environments

Generate Kubernetes YAML files that define how applications run, connect, receive configuration, and use persistent storage. Include resource limits, health checks, security settings, labels, and validation guidance for production-oriented deployments.

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• Creating Deployment and Service manifests
• Separating configuration with ConfigMaps and Secrets
• Defining persistent storage for applications

Evaluate LLM applications using automated scores, human reviews, and model-based judging. Build repeatable checks to compare models or prompts, assess answer quality, and detect declines in performance before deployment.

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• Comparing models and prompts
• Checking quality after prompt changes
• Detecting performance declines before deployment

Design and refine prompts for AI applications using examples, reusable templates, and structured outputs such as JSON. Test variations for accuracy, consistency, response time, and token usage to diagnose unreliable answers and formatting failures.

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• Refine prompts that produce inconsistent answers
• Build reusable prompt templates with variables
• Design JSON outputs that follow a defined schema

Write incident review documents that focus on system conditions and learning. Organize timelines, examine root causes with evidence, and turn findings into practical follow-up actions with owners and deadlines, supported by a meeting facilitation guide.

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• Writing a review after a service outage
• Analyzing root causes with the 5 Whys method
• Preparing an incident review meeting

Set up Kubernetes deployments with ArgoCD or Flux CD using GitOps, an approach that stores the desired system configuration in Git. Configure automatic synchronization, staged rollouts, secret management, and deployment workflows across environments or clusters.

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• Setting up automatic deployments from Git
• Managing deployments across multiple Kubernetes clusters
• Configuring canary or blue-green releases

Plan and implement user login and access permissions using sessions, JWT tokens, or OAuth2. Apply role-based permissions, protect APIs, and review common weaknesses in password handling, cookies, token expiration, and server-side checks.

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• Implementing user login and logout
• Adding social login or enterprise SSO
• Controlling access by user role

Create and maintain project documents in conductor/ covering the product, technology stack, development workflow, and work units. Extract context from existing code, check document consistency before implementation, and update documentation as the project evolves.

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• Set up context documents for a new project
• Document an existing codebase for onboarding
• Check project documents before implementation

Build data quality checks with Great Expectations, dbt tests, and data contracts, which define shared expectations between teams. Check missing values, duplicates, and freshness, then integrate validation into data pipelines and CI/CD.

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• Check data for missing values and duplicates
• Build a dbt test suite
• Define shared data contracts between teams

Guide web app testing with screen readers such as VoiceOver, NVDA, and JAWS. Check forms, dialogs, keyboard navigation, and spoken update notifications to identify accessibility problems across desktop and mobile browser combinations.

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• Checking form labels and error announcements
• Testing dialog focus behavior
• Verifying announcements for changing content

Set communication rules for teams of AI agents. The skill explains when to use direct messages or broadcasts, how leads review plans, how teammates shut down safely, and how to troubleshoot stalled handoffs or missing communication tools.

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• Establishing communication rules for a new agent team
• Choosing direct messages or team-wide broadcasts
• Reviewing and approving a teammate's work plan

Design CI/CD pipelines that move applications through development, staging, and production. Define approval and security checks, gradual release strategies, health checks, and rollback procedures, and investigate gates or deployments that fail to progress.

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• Designing CI/CD pipelines across multiple environments
• Introducing canary or blue-green releases
• Investigating stalled approvals and release gates

Improve Bazel builds in large repositories containing multiple projects. Get guidance on build configuration, shared remote caches, remote execution, dependency management, custom build rules, and diagnosing build problems.

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• Set up Bazel for a monorepo
• Configure remote caching and execution
• Review slow build configurations

Review prose for repetitive wording, inflated language, and overly regular structure. Get an issues-only audit, a rewritten version, or targeted file edits that preserve the author's voice, existing facts, and protected quoted material.

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• Reviewing a blog draft for machine-sounding prose
• Editing README files and release notes
• Getting style flags without rewriting

Design query-ready data from streams of recorded events. The skill guides read models, databases shaped for queries, with practices for replaying events, resuming after failures, and tracking delays in dashboards or search indexes.

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• Build read models for systems that separate reads and writes
• Create dashboard data from recorded events
• Build search indexes from event streams