Accessibility Compliance
Implement WCAG 2.2 compliant interfaces with mobile accessibility, inclusive design patterns, and assistive technology support. Use when auditing accessibility, implementing ARIA…
Design & UI
Seth Hobson42k
Publisher
Seth Hobson skills for Claude
- wshobson/agents
Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, Google Antigravity, and Pi
42k starsMIT185 skillsPlugin marketplace:
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All 185 skills from Seth Hobson
185 skills
AI Debt Detector
Use after generating code, after accepting AI suggestions, or when reviewing AI-written modules. Also use when code works but feels brittle, when error handling seems thin, when…
AI & AgentsSeth Hobson42k
Airflow Dag Patterns
Build production Apache Airflow DAGs with best practices for operators, sensors, testing, and deployment. Use when creating data pipelines, orchestrating workflows, or scheduling…
Data & DatabasesSeth Hobson42k
Angular Migration
Migrate from AngularJS to Angular using hybrid mode, incremental component rewriting, and dependency injection updates. Use when upgrading AngularJS applications, planning…
FrontendSeth Hobson42k
Anti Reversing Techniques
Understand anti-reversing, obfuscation, and protection techniques encountered during software analysis. Use this skill when analyzing malware evasion techniques, when implementing…
Coding WorkflowSeth Hobson42k
API Design Principles
Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs, reviewing API…
Backend & APIsSeth Hobson42k
Architecture Decision Records
Write and maintain Architecture Decision Records (ADRs) following best practices for technical decision documentation. Use when documenting significant technical decisions…
Docs & WritingSeth Hobson42k
Architecture Patterns
Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use this skill when designing clean architecture for…
Backend & APIsSeth Hobson42k
Async Python Patterns
Master Python asyncio, concurrent programming, and async/await patterns for high-performance applications. Use when building async APIs, concurrent systems, or I/O-bound…
Backend & APIsSeth Hobson42k
Attack Tree Construction
Build comprehensive attack trees to visualize threat paths. Use when mapping attack scenarios, identifying defense gaps, or communicating security risks to stakeholders.
SecuritySeth Hobson42k
Auth Implementation Patterns
Master authentication and authorization patterns including JWT, OAuth2, session management, and RBAC to build secure, scalable access control systems. Use when implementing auth…
Backend & APIsSeth Hobson42k
Avoid AI Writing
Audit and rewrite prose so it stops reading as machine-generated. Use this skill when asked to remove AI-isms, clean up AI writing, edit a draft for AI tells, audit a README…
AI & AgentsSeth Hobson42k
Backtesting Frameworks
Build robust backtesting systems for trading strategies with proper handling of look-ahead bias, survivorship bias, and transaction costs. Use when developing trading algorithms…
Testing & BrowserSeth Hobson42k
Bash Defensive Patterns
Master defensive Bash programming techniques for production-grade scripts. Use when writing robust shell scripts, CI/CD pipelines, or system utilities requiring fault tolerance…
Coding WorkflowSeth Hobson42k
Bats Testing Patterns
Master Bash Automated Testing System (Bats) for comprehensive shell script testing. Use when writing tests for shell scripts, CI/CD pipelines, or requiring test-driven development…
Testing & BrowserSeth Hobson42k
Bazel Build Optimization
Optimize Bazel builds for large-scale monorepos. Use when configuring Bazel, implementing remote execution, or optimizing build performance for enterprise codebases.
Coding WorkflowSeth Hobson42k
Before You Build
Pre-build product and feature risk review for founders, product managers, and AI-assisted builders. Use this skill when the user is about to build a landing page, MVP, SaaS…
Coding WorkflowSeth Hobson42k
Billing Automation
Build automated billing systems for recurring payments, invoicing, subscription lifecycle, and dunning management. Use when implementing subscription billing, automating…
Backend & APIsSeth Hobson42k
Binary Analysis Patterns
Master binary analysis patterns including disassembly, decompilation, control flow analysis, and code pattern recognition. Use when analyzing executables, understanding compiled…
Coding WorkflowSeth Hobson42k
Block No Verify Hook
Configure a PreToolUse hook to prevent AI agents from skipping git pre-commit hooks with --no-verify and other bypass flags. Use when setting up Claude Code projects that enforce…
Coding WorkflowSeth Hobson42k
Brand Landingpage
Brand-first landing page designer — runs a brand-identity interview (colors, typography, shape language), then generates and iterates on a polished landing page via Stitch with…
Design & UISeth Hobson42k
Changelog Automation
Automate changelog generation from commits, PRs, and releases following Keep a Changelog format. Use when setting up release workflows, generating release notes, or standardizing…
Docs & WritingSeth Hobson42k
Checkpoint Promotion
Gate fine-tuned checkpoints with drift budgets, paired comparison, and forgetting checks before promotion. Use after a training run produces a checkpoint, when deciding whether a…
AI & AgentsSeth Hobson42k
Code Review Excellence
Master effective code review practices to provide constructive feedback, catch bugs early, and foster knowledge sharing while maintaining team morale. Use when reviewing pull…
Coding WorkflowSeth Hobson42k
Competitive Landscape
Analyze competition, identify differentiation opportunities, and develop winning market positioning strategies using Porter's Five Forces, Blue Ocean Strategy, and positioning…
Marketing & SEOSeth Hobson42k
Connectivity Triage
Use this skill when debugging active macOS connectivity failures, when an API or MCP service times out or disconnects, when DNS resolution is failing or inconsistent, or when…
Cloud & DevOpsSeth Hobson42k
Context Driven Development
Creates and maintains project context artifacts (product.md, tech-stack.md, workflow.md, tracks.md) in a `conductor/` directory. Scaffolds new projects from scratch, extracts…
Coding WorkflowSeth Hobson42k
Cost Optimization
Optimize cloud costs across AWS, Azure, GCP, and OCI through resource rightsizing, tagging strategies, reserved instances, and spending analysis. Use when reducing cloud expenses…
Cloud & DevOpsSeth Hobson42k
Cqrs Implementation
Implement Command Query Responsibility Segregation for scalable architectures. Use when separating read and write models, optimizing query performance, or building event-sourced…
Backend & APIsSeth Hobson42k
Data Quality Frameworks
Implement data quality validation with Great Expectations, dbt tests, and data contracts. Use when building data quality pipelines, implementing validation rules, or establishing…
Data & DatabasesSeth Hobson42k
Data Storytelling
Transform data into compelling narratives using visualization, context, and persuasive structure. Use when presenting analytics to stakeholders, creating data reports, or building…
Data & DatabasesSeth Hobson42k
Database Migration
Execute database migrations across ORMs and platforms with zero-downtime strategies, data transformation, and rollback procedures. Use when migrating databases, changing schemas…
Data & DatabasesSeth Hobson42k
Dataset Curation
Prepare, format, and validate datasets for supervised fine-tuning and preference training. Use when converting raw data into training format, applying chat templates, configuring…
Data & DatabasesSeth Hobson42k
Dbt Transformation Patterns
Master dbt (data build tool) for analytics engineering with model organization, testing, documentation, and incremental strategies. Use when building data transformations…
Data & DatabasesSeth Hobson42k
Debugging Strategies
Master systematic debugging techniques, profiling tools, and root cause analysis to efficiently track down bugs across any codebase or technology stack. Use when investigating…
Coding WorkflowSeth Hobson42k
Defi Protocol Templates
Implement DeFi protocols with production-ready templates for staking, AMMs, governance, and flash loans. Use when building decentralized finance applications or smart contract…
Coding WorkflowSeth Hobson42k
Dependency Upgrade
Manage major dependency version upgrades with compatibility analysis, staged rollout, and comprehensive testing. Use when upgrading framework versions, updating major…
Coding WorkflowSeth Hobson42k
Deployment Pipeline Design
Design multi-stage CI/CD pipelines with approval gates, security checks, and deployment orchestration. Use this skill when designing zero-downtime deployment pipelines…
Design & UISeth Hobson42k
Design System Patterns
Build scalable design systems with design tokens, theming infrastructure, and component architecture patterns. Use when creating design tokens, implementing theme switching…
Design & UISeth Hobson42k
Distributed Tracing
Implement distributed tracing with Jaeger and Tempo to track requests across microservices and identify performance bottlenecks. Use when debugging microservices, analyzing…
Cloud & DevOpsSeth Hobson42k
Dotnet Backend Patterns
Master C#/.NET backend development patterns for building robust APIs, MCP servers, and enterprise applications. Covers async/await, dependency injection, Entity Framework Core…
Backend & APIsSeth Hobson42k
E2E Testing Patterns
Master end-to-end testing with Playwright and Cypress to build reliable test suites that catch bugs, improve confidence, and enable fast deployment. Use when implementing E2E…
Testing & BrowserSeth Hobson42k
Embedding Strategies
Select and optimize embedding models for semantic search and RAG applications. Use when choosing embedding models, implementing chunking strategies, or optimizing embedding…
AI & AgentsSeth Hobson42k
Employment Contract Templates
Create employment contracts, offer letters, and HR policy documents following legal best practices. Use when drafting employment agreements, creating HR policies, or standardizing…
Coding WorkflowSeth Hobson42k
Error Handling Patterns
Master error handling patterns across languages including exceptions, Result types, error propagation, and graceful degradation to build resilient applications. Use when…
Coding WorkflowSeth Hobson42k
Eval Harness First
Build the evaluation harness that gates every fine-tuning run — golden sets, per-failure-mode graders, judge calibration, and base-model baselines. Use when starting a fine-tuning…
AI & AgentsSeth Hobson42k
Evaluation Methodology
PluginEval quality methodology, covering dimensions, rubrics, and scoring formulas. Use this skill when understanding how plugin quality is measured, when interpreting a low score…
Coding WorkflowSeth Hobson42k
Event Store Design
Design and implement event stores for event-sourced systems. Use when building event sourcing infrastructure, choosing event store technologies, or implementing event persistence…
Design & UISeth Hobson42k
Fastapi Templates
Create production-ready FastAPI projects with async patterns, dependency injection, and comprehensive error handling. Use when building new FastAPI applications or setting up…
Backend & APIsSeth Hobson42k
File Conversion
Use when the user needs a local file converted between common image, audio, video, document, or data formats. Select installed tools, preserve originals, and verify the output.
Coding WorkflowSeth Hobson42k
Finetuning Method Selection
Decide whether to fine-tune at all, and route to the right method (SFT, DPO/ORPO/KTO, GRPO/RLVR, continued pretraining) and base model. Use when starting any fine-tuning effort…
AI & AgentsSeth Hobson42k
Gdpr Data Handling
Implement GDPR-compliant data handling with consent management, data subject rights, and privacy by design. Use when building systems that process EU personal data, implementing…
Data & DatabasesSeth Hobson42k
Git Advanced Workflows
Master advanced Git workflows including rebasing, cherry-picking, bisect, worktrees, and reflog to maintain clean history and recover from any situation. Use when managing complex…
Coding WorkflowSeth Hobson42k
Github Actions Templates
Create production-ready GitHub Actions workflows for automated testing, building, and deploying applications. Use when setting up CI/CD with GitHub Actions, automating development…
Cloud & DevOpsSeth Hobson42k
Gitlab CI Patterns
Build GitLab CI/CD pipelines with multi-stage workflows, caching, and distributed runners for scalable automation. Use when implementing GitLab CI/CD, optimizing pipeline…
Cloud & DevOpsSeth Hobson42k
Gitops Workflow
Implement GitOps workflows with ArgoCD and Flux for automated, declarative Kubernetes deployments with continuous reconciliation. Use when implementing GitOps practices…
Cloud & DevOpsSeth Hobson42k
Go Concurrency Patterns
Master Go concurrency with goroutines, channels, sync primitives, and context. Use when building concurrent Go applications, implementing worker pools, or debugging race…
Coding WorkflowSeth Hobson42k
Godot Gdscript Patterns
Master Godot 4 GDScript patterns including signals, scenes, state machines, and optimization. Use when building Godot games, implementing game systems, or learning GDScript best…
Coding WorkflowSeth Hobson42k
Grafana Dashboards
Create and manage production Grafana dashboards for real-time visualization of system and application metrics. Use when building monitoring dashboards, visualizing metrics, or…
Cloud & DevOpsSeth Hobson42k
Grounded Vault
Use when maintaining a durable Markdown knowledge store that agents compile from sources, when every number or quote in a wiki page must trace back to an immutable source, or when…
Docs & WritingSeth Hobson42k
Grpo Rlvr Training
Train reasoning and verifiable-task behavior with GRPO and reinforcement learning from verifiable rewards (RLVR). Use when task success is algorithmically checkable (math, code…
AI & AgentsSeth Hobson42k
Hads
Use when writing technical documentation that needs to be readable by both humans and AI models, converting existing docs to HADS format, validating a HADS document, or optimizing…
Docs & WritingSeth Hobson42k
Helm Chart Scaffolding
Design, organize, and manage Helm charts for templating and packaging Kubernetes applications with reusable configurations. Use when creating Helm charts, packaging Kubernetes…
Cloud & DevOpsSeth Hobson42k
Hermes Tweet
Install and operate Hermes Tweet, a Hermes Agent plugin for X/Twitter research, timeline reading, tweet analysis, and approval-gated private or state-changing operations. Use this…
Coding WorkflowSeth Hobson42k
Hybrid Cloud Networking
Configure secure, high-performance connectivity between on-premises infrastructure and cloud platforms using VPN and dedicated connections. Use when building hybrid cloud…
Cloud & DevOpsSeth Hobson42k
Hybrid Search Implementation
Combine vector and keyword search for improved retrieval. Use when implementing RAG systems, building search engines, or when neither approach alone provides sufficient recall.
AI & AgentsSeth Hobson42k
Incident Runbook Templates
Create structured incident response runbooks with step-by-step procedures, escalation paths, and recovery actions. Use this skill when building a service outage runbook for a…
Cloud & DevOpsSeth Hobson42k
Interaction Design
Design and implement microinteractions, motion design, transitions, and user feedback patterns. Use when adding polish to UI interactions, implementing loading states, or creating…
Design & UISeth Hobson42k
Istio Traffic Management
Configure Istio traffic management including routing, load balancing, circuit breakers, and canary deployments. Use when implementing service mesh traffic policies, progressive…
Cloud & DevOpsSeth Hobson42k
Javascript Testing Patterns
Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and…
Testing & BrowserSeth Hobson42k
K8s Manifest Generator
Create production-ready Kubernetes manifests for Deployments, Services, ConfigMaps, and Secrets following best practices and security standards. Use when generating Kubernetes…
Cloud & DevOpsSeth Hobson42k
K8s Security Policies
Implement Kubernetes security policies including NetworkPolicy, PodSecurityPolicy, and RBAC for production-grade security. Use when securing Kubernetes clusters, implementing…
SecuritySeth Hobson42k
KPI Dashboard Design
Design effective KPI dashboards with metrics selection, visualization best practices, and real-time monitoring patterns. Use this skill when building an executive SaaS metrics…
Design & UISeth Hobson42k
Langchain Architecture
Design LLM applications using LangChain 1.x and LangGraph for agents, memory, and tool integration. Use when building LangChain applications, implementing AI agents, or creating…
AI & AgentsSeth Hobson42k
Linkerd Patterns
Implement Linkerd service mesh patterns for lightweight, security-focused service mesh deployments. Use when setting up Linkerd, configuring traffic policies, or implementing…
Cloud & DevOpsSeth Hobson42k
LLM Evaluation
Implement comprehensive evaluation strategies for LLM applications using automated metrics, human feedback, and benchmarking. Use when testing LLM performance, measuring AI…
AI & AgentsSeth Hobson42k
Lora Qlora Recipes
Configure LoRA and QLoRA supervised fine-tuning with current best-practice hyperparameters. Use when writing or reviewing a LoRA/QLoRA training configuration, choosing…
AI & AgentsSeth Hobson42k
Market Sizing Analysis
Calculate TAM/SAM/SOM for market opportunities using top-down, bottom-up, and value theory methodologies. Use this skill when sizing markets, estimating addressable revenue…
Marketing & SEOSeth Hobson42k
Memory Forensics
Master memory forensics techniques including memory acquisition, process analysis, and artifact extraction using Volatility and related tools. Use when analyzing memory dumps…
Coding WorkflowSeth Hobson42k
Memory Safety Patterns
Implement memory-safe programming with RAII, ownership, smart pointers, and resource management across Rust, C++, and C. Use when writing safe systems code, managing resources, or…
Coding WorkflowSeth Hobson42k
Microservices Patterns
Design microservices architectures with service boundaries, event-driven communication, and resilience patterns. Use when building distributed systems, decomposing monoliths, or…
Backend & APIsSeth Hobson42k
Ml Pipeline Workflow
Build end-to-end MLOps pipelines from data preparation through model training, validation, and production deployment. Use when creating ML pipelines, implementing MLOps practices…
AI & AgentsSeth Hobson42k
Mobile Android Design
Master Material Design 3 and Jetpack Compose patterns for building native Android apps. Use when designing Android interfaces, implementing Compose UI, or following Google's…
MobileSeth Hobson42k
Mobile iOS Design
Master iOS Human Interface Guidelines and SwiftUI patterns for building native iOS apps. Use when designing iOS interfaces, implementing SwiftUI views, or ensuring apps follow…
MobileSeth Hobson42k
Modern Javascript Patterns
Master ES6+ features including async/await, destructuring, spread operators, arrow functions, promises, modules, iterators, generators, and functional programming patterns for…
FrontendSeth Hobson42k
Monorepo Management
Master monorepo management with Turborepo, Nx, and pnpm workspaces to build efficient, scalable multi-package repositories with optimized builds and dependency management. Use…
Coding WorkflowSeth Hobson42k
Mtls Configuration
Configure mutual TLS (mTLS) for zero-trust service-to-service communication. Use when implementing zero-trust networking, certificate management, or securing internal service…
Cloud & DevOpsSeth Hobson42k
Multi Cloud Architecture
Design multi-cloud architectures using a decision framework to select and integrate services across AWS, Azure, GCP, and OCI. Use when building multi-cloud systems, avoiding…
Cloud & DevOpsSeth Hobson42k
Multi Reviewer Patterns
Coordinate parallel code reviews across multiple quality dimensions with finding deduplication, severity calibration, and consolidated reporting. Use this skill when organizing…
AI & AgentsSeth Hobson42k
Nextjs App Router Patterns
Master Next.js 14+ App Router with Server Components, streaming, parallel routes, and advanced data fetching. Use when building Next.js applications, implementing SSR/SSG, or…
FrontendSeth Hobson42k
Nft Standards
Implement NFT standards (ERC-721, ERC-1155) with proper metadata handling, minting strategies, and marketplace integration. Use when creating NFT contracts, building NFT…
Coding WorkflowSeth Hobson42k
Nodejs Backend Patterns
Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best…
Backend & APIsSeth Hobson42k
Nx Workspace Patterns
Configure and optimize Nx monorepo workspaces. Use when setting up Nx, configuring project boundaries, optimizing build caching, or implementing affected commands.
Coding WorkflowSeth Hobson42k
On Call Handoff Patterns
Master on-call shift handoffs with context transfer, escalation procedures, and documentation. Use this skill when transitioning on-call responsibilities between engineers and…
Cloud & DevOpsSeth Hobson42k
Openapi Spec Generation
Generate and maintain OpenAPI 3.1 specifications from code, design-first specs, and validation patterns. Use when creating API documentation, generating SDKs, or ensuring API…
Backend & APIsSeth Hobson42k
Parallel Debugging
Debug complex issues using competing hypotheses with parallel investigation, evidence collection, and root cause arbitration. Use this skill when debugging bugs with multiple…
AI & AgentsSeth Hobson42k
Parallel Feature Development
Coordinate parallel feature development with file ownership strategies, conflict avoidance rules, and integration patterns for multi-agent implementation. Use this skill when…
AI & AgentsSeth Hobson42k
Paypal Integration
Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management. Use when implementing PayPal payments, processing online transactions…
Backend & APIsSeth Hobson42k
Pci Compliance
Implement PCI DSS compliance requirements for secure handling of payment card data and payment systems. Use when securing payment processing, achieving PCI compliance, or…
Backend & APIsSeth Hobson42k
Postgresql Table Design
Use this skill when designing or reviewing a PostgreSQL-specific schema. Covers best-practices, data types, indexing, constraints, performance patterns, and advanced features
Design & UISeth Hobson42k
Postmortem Writing
Write effective blameless postmortems with root cause analysis, timelines, and action items. Use when conducting incident reviews, writing postmortem documents, or improving…
Docs & WritingSeth Hobson42k
PPTX Deck Context
Use when preparing the narrative, sources, and design context for a new editable PPTX deck.
Docs & WritingSeth Hobson42k
PPTX Quality Gates
Use when validating or repairing an editable PPTX deck for geometry, accessibility, native editability, source lineage, and OOXML package integrity.
Docs & WritingSeth Hobson42k
PPTX Reference Deck Analysis
Use when analyzing a reference PPTX for read-only structure, theme, typography, layout rhythm, diagnostics, derived template catalogs, or safe OOXML package inspection.
Docs & WritingSeth Hobson42k
PPTX Slide Specification
Use when authoring or repairing a coordinate-explicit JSON specification for an editable PPTX deck.
Docs & WritingSeth Hobson42k
PPTX Visual Assets
Use when selecting and placing approved supporting icons, images, SVGs, diagrams, or infographics in an editable PPTX deck.
Docs & WritingSeth Hobson42k
Preference Optimization
Align a fine-tuned model with preference data using DPO, ORPO, KTO, or SimPO. Use when preference pairs or thumbs-up/down feedback exist, when choosing between…
AI & AgentsSeth Hobson42k
Projection Patterns
Build read models and projections from event streams. Use when implementing CQRS read sides, building materialized views, or optimizing query performance in event-sourced systems.
Backend & APIsSeth Hobson42k
Prometheus Configuration
Set up Prometheus for comprehensive metric collection, storage, and monitoring of infrastructure and applications. Use when implementing metrics collection, setting up monitoring…
Cloud & DevOpsSeth Hobson42k
Prompt Engineering Patterns
This skill should be used when the user asks to "optimize a prompt", "improve prompt performance", "design a prompt template", "write better prompts", "debug prompt issues", "use…
AI & AgentsSeth Hobson42k
Protect MCP Setup
Configure Cedar policy enforcement and Ed25519 signed receipts for Claude Code tool calls. Use when setting up projects that need cryptographic audit trails, policy-gated tool…
AI & AgentsSeth Hobson42k
Protocol Reverse Engineering
Master network protocol reverse engineering including packet analysis, protocol dissection, and custom protocol documentation. Use when analyzing network traffic, understanding…
Coding WorkflowSeth Hobson42k
Python Anti Patterns
Use this skill when reviewing Python code for common anti-patterns to avoid. Use as a checklist when reviewing code, before finalizing implementations, or when debugging issues…
Backend & APIsSeth Hobson42k
Python Background Jobs
Python background job patterns including task queues, workers, and event-driven architecture. Use when implementing async task processing, job queues, long-running operations, or…
Backend & APIsSeth Hobson42k
Python Code Style
Python code style, linting, formatting, naming conventions, and documentation standards. Use when writing new code, reviewing style, configuring linters, writing docstrings, or…
Backend & APIsSeth Hobson42k
Python Configuration
Python configuration management via environment variables and typed settings. Use when externalizing config, setting up pydantic-settings, managing secrets, or implementing…
Backend & APIsSeth Hobson42k
Python Design Patterns
Python design patterns including KISS, Separation of Concerns, Single Responsibility, and composition over inheritance. Use this skill when designing a new service or component…
Design & UISeth Hobson42k
Python Error Handling
Python error handling patterns including input validation, exception hierarchies, and partial failure handling. Use when implementing validation logic, designing exception…
Backend & APIsSeth Hobson42k
Python Observability
Python observability patterns including structured logging, metrics, and distributed tracing. Use when adding logging, implementing metrics collection, setting up tracing, or…
Cloud & DevOpsSeth Hobson42k
Python Packaging
Create distributable Python packages with proper project structure, setup.py/pyproject.toml, and publishing to PyPI. Use when packaging Python libraries, creating CLI tools, or…
Backend & APIsSeth Hobson42k
Python Performance Optimization
Profile and optimize Python code using cProfile, memory profilers, and performance best practices. Use when debugging slow Python code, optimizing bottlenecks, or improving…
Backend & APIsSeth Hobson42k
Python Project Structure
Python project organization, module architecture, and public API design. Use when setting up new projects, organizing modules, defining public interfaces with __all__, or planning…
Backend & APIsSeth Hobson42k
Python Resilience
Python resilience patterns including automatic retries, exponential backoff, timeouts, and fault-tolerant decorators. Use when adding retry logic, implementing timeouts, building…
Backend & APIsSeth Hobson42k
Python Resource Management
Python resource management with context managers, cleanup patterns, and streaming. Use when managing connections, file handles, implementing cleanup logic, or building streaming…
Backend & APIsSeth Hobson42k
Python Testing Patterns
Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing…
Testing & BrowserSeth Hobson42k
Python Type Safety
Python type safety with type hints, generics, protocols, and strict type checking. Use when adding type annotations, implementing generic classes, defining structural interfaces…
Backend & APIsSeth Hobson42k
Quantized Export
Export a promoted fine-tuned model in the right deployment format — merged safetensors, LoRA-only, GGUF with imatrix, or FP8. Use after a checkpoint passes promotion, when…
AI & AgentsSeth Hobson42k
RAG Implementation
Build Retrieval-Augmented Generation (RAG) systems for LLM applications with vector databases and semantic search. Use when implementing knowledge-grounded AI, building document…
AI & AgentsSeth Hobson42k
React Modernization
Upgrade React applications to latest versions, migrate from class components to hooks, and adopt concurrent features. Use when modernizing React codebases, migrating to React…
FrontendSeth Hobson42k
React Native Architecture
Build production React Native apps with Expo, navigation, native modules, offline sync, and cross-platform patterns. Use when developing mobile apps, implementing native…
MobileSeth Hobson42k
React Native Design
Master React Native styling, navigation, and Reanimated animations for cross-platform mobile development. Use when building React Native apps, implementing navigation patterns, or…
MobileSeth Hobson42k
React State Management
Master modern React state management with Redux Toolkit, Zustand, Jotai, and React Query. Use when setting up global state, managing server state, or choosing between state…
FrontendSeth Hobson42k
Recsys Pipeline Architect
Design composable recommendation, ranking, and feed pipelines using the six-stage Source→Hydrator→Filter→Scorer→Selector→SideEffect framework popularized by xAI's open-sourced X…
AI & AgentsSeth Hobson42k
Responsive Design
Implement modern responsive layouts using container queries, fluid typography, CSS Grid, and mobile-first breakpoint strategies. Use when building adaptive interfaces…
Design & UISeth Hobson42k
Review Agent Setup
Configure human-in-the-loop gating for AI agent review actions in Claude Code. Use when setting up a project where an agent may post PR reviews, comments, merges, or edit CI…
AI & AgentsSeth Hobson42k
Risk Metrics Calculation
Calculate portfolio risk metrics including VaR, CVaR, Sharpe, Sortino, and drawdown analysis. Use when measuring portfolio risk, implementing risk limits, or building risk…
Coding WorkflowSeth Hobson42k
Rust Async Patterns
Master Rust async programming with Tokio, async traits, error handling, and concurrent patterns. Use when building async Rust applications, implementing concurrent systems, or…
Backend & APIsSeth Hobson42k
Saga Orchestration
Implement saga patterns for distributed transactions and cross-aggregate workflows. Use this skill when implementing distributed transactions across microservices where 2PC is…
Backend & APIsSeth Hobson42k
Sast Configuration
Configure Static Application Security Testing (SAST) tools for automated vulnerability detection in application code. Use when setting up security scanning, implementing DevSecOps…
SecuritySeth Hobson42k
Scan
Scans the codebase to generate project-doc.md and AGENTS.md. Use when bootstrapping a new agent-driven repo, refreshing project documentation after architectural changes, or…
Coding WorkflowSeth Hobson42k
Screen Reader Testing
Test web applications with screen readers including VoiceOver, NVDA, and JAWS. Use when validating screen reader compatibility, debugging accessibility issues, or ensuring…
Testing & BrowserSeth Hobson42k
Secrets Management
Implement secure secrets management for CI/CD pipelines using Vault, AWS Secrets Manager, or native platform solutions. Use when handling sensitive credentials, rotating secrets…
SecuritySeth Hobson42k
Security Requirement Extraction
Derive security requirements from threat models and business context. Use when translating threats into actionable requirements, creating security user stories, or building…
SecuritySeth Hobson42k
Service Mesh Observability
Implement comprehensive observability for service meshes including distributed tracing, metrics, and visualization. Use when setting up mesh monitoring, debugging latency issues…
Cloud & DevOpsSeth Hobson42k
Session Guard
Use when working on complex multi-step tasks, when a session is getting long (40+ tool calls), when the agent starts ignoring rules it followed earlier, when conventions drift…
Coding WorkflowSeth Hobson42k
Shellcheck Configuration
Master ShellCheck static analysis configuration and usage for shell script quality. Use when setting up linting infrastructure, fixing code issues, or ensuring script portability.
Coding WorkflowSeth Hobson42k
Signed Audit Trails Recipe
Step-by-step cookbook for setting up cryptographically signed audit trails on Claude Code tool calls. Use when explaining, evaluating, or demonstrating the pattern before…
SecuritySeth Hobson42k
Similarity Search Patterns
Implement efficient similarity search with vector databases. Use when building semantic search, implementing nearest neighbor queries, or optimizing retrieval performance.
AI & AgentsSeth Hobson42k
Slo Implementation
Define and implement Service Level Indicators (SLIs) and Service Level Objectives (SLOs) with error budgets and alerting. Use when establishing reliability targets, implementing…
Cloud & DevOpsSeth Hobson42k
Social Evidence Research
Research public discussion on social platforms and keep every report claim tied to the source material that supports it. Use when researching or comparing how a product, event, or…
Marketing & SEOSeth Hobson42k
Social Publishing
Schedule and publish social media posts across 13 platforms (X, LinkedIn, Instagram, Facebook Pages, TikTok, Discord, Telegram, YouTube, Reddit, WordPress, Pinterest) via the…
Marketing & SEOSeth Hobson42k
Solidity Security
Master smart contract security best practices to prevent common vulnerabilities and implement secure Solidity patterns. Use when writing smart contracts, auditing existing…
SecuritySeth Hobson42k
Spark Environment Setup
Set up a working ML training/inference environment on NVIDIA DGX Spark (GB10, aarch64, CUDA 13). Use when installing PyTorch/Unsloth/TRL/vLLM on DGX Spark, hitting libcudart or…
Data & DatabasesSeth Hobson42k
Spark Memory Thermal Ops
Manage unified memory and thermals during long-running ML jobs on NVIDIA DGX Spark. Use when planning memory headroom for a training run on GB10, when a job OOMs on unified…
Data & DatabasesSeth Hobson42k
Spark Optimization
Optimize Apache Spark jobs with partitioning, caching, shuffle optimization, and memory tuning. Use when improving Spark performance, debugging slow jobs, or scaling data…
Data & DatabasesSeth Hobson42k
Spark Training Gotchas
Preflight and diagnose the ten known failure modes for ML training on NVIDIA DGX Spark. Use when a training run on DGX Spark fails to start, OOMs below the 128GB limit, slows down…
Data & DatabasesSeth Hobson42k
SQL Optimization Patterns
Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow queries. Use when debugging slow queries…
Data & DatabasesSeth Hobson42k
Startup Financial Modeling
Build comprehensive 3-5 year financial models with revenue projections, cost structures, cash flow analysis, and scenario planning for early-stage startups. Use this skill when…
Coding WorkflowSeth Hobson42k
Startup Metrics Framework
Track, calculate, and optimize key performance metrics for SaaS, marketplace, consumer, and B2B startups from seed through Series A, including unit economics, growth efficiency…
Coding WorkflowSeth Hobson42k
Stride Analysis Patterns
Apply STRIDE methodology to systematically identify threats. Use when analyzing system security, conducting threat modeling sessions, or creating security documentation.
SecuritySeth Hobson42k
Stripe Integration
Implement Stripe payment processing for robust, PCI-compliant payment flows including checkout, subscriptions, and webhooks. Use when integrating Stripe payments, building…
Backend & APIsSeth Hobson42k
Superself
Use when a project keeps its state in Superself (a `<!-- superself:begin` block in AGENTS.md or CLAUDE.md, or `self setup` resolves the directory to a registered project): read…
Coding WorkflowSeth Hobson42k
Tailwind Design System
Build scalable design systems with Tailwind CSS v4, design tokens, component libraries, and responsive patterns. Use when creating component libraries, implementing design…
Design & UISeth Hobson42k
Task Coordination Strategies
Decompose complex tasks, design dependency graphs, and coordinate multi-agent work with proper task descriptions and workload balancing. Use this skill when breaking down work for…
AI & AgentsSeth Hobson42k
Team Communication Protocols
Structured messaging protocols for agent team communication including message type selection, plan approval, shutdown procedures, and anti-patterns to avoid. Use this skill when…
AI & AgentsSeth Hobson42k
Team Composition Analysis
Design optimal team structures, hiring plans, compensation strategies, and equity allocation for early-stage startups from pre-seed through Series A. Use this skill when planning…
Coding WorkflowSeth Hobson42k
Team Composition Patterns
Design optimal agent team compositions with sizing heuristics, preset configurations, and agent type selection. Use this skill when deciding how many agents to spawn for a task…
AI & AgentsSeth Hobson42k
Temporal Python Testing
Test Temporal workflows with pytest, time-skipping, and mocking strategies. Covers unit testing, integration testing, replay testing, and local development setup. Use when…
Testing & BrowserSeth Hobson42k
Terraform Module Library
Build reusable Terraform modules for AWS, Azure, GCP, and OCI infrastructure following infrastructure-as-code best practices. Use when creating infrastructure modules…
Cloud & DevOpsSeth Hobson42k
Threat Mitigation Mapping
Map identified threats to appropriate security controls and mitigations. Use when prioritizing security investments, creating remediation plans, or validating control…
SecuritySeth Hobson42k
Trace To Training Data
Convert evaluation traces and production logs into SFT examples and preference pairs. Use when graded traces or failure examples exist and need to become training data, when…
Data & DatabasesSeth Hobson42k
Track Management
Use this skill when creating, managing, or working with Conductor tracks - the logical work units for features, bugs, and refactors. Applies to spec.md, plan.md, and track…
Coding WorkflowSeth Hobson42k
Turborepo Caching
Configure Turborepo for efficient monorepo builds with local and remote caching. Use when setting up Turborepo, optimizing build pipelines, or implementing distributed caching.
Coding WorkflowSeth Hobson42k
Typescript Advanced Types
Master TypeScript's advanced type system including generics, conditional types, mapped types, template literals, and utility types for building type-safe applications. Use when…
FrontendSeth Hobson42k
Unity Ecs Patterns
Master Unity ECS (Entity Component System) with DOTS, Jobs, and Burst for high-performance game development. Use when building data-oriented games, optimizing performance, or…
Coding WorkflowSeth Hobson42k
Uv Package Manager
Master the uv package manager for fast Python dependency management, virtual environments, and modern Python project workflows. Use when setting up Python projects, managing…
Backend & APIsSeth Hobson42k
Vector Index Tuning
Optimize vector index performance for latency, recall, and memory. Use when tuning HNSW parameters, selecting quantization strategies, or scaling vector search infrastructure.
Data & DatabasesSeth Hobson42k
Vision Sft
Fine-tune vision-language models (VLMs) with supervised learning on image+text data. Use when adapting a VLM to a visual domain or task, configuring frozen-vision-tower LoRA, or…
AI & AgentsSeth Hobson42k
Visual Design Foundations
Apply typography, color theory, spacing systems, and iconography principles to create cohesive visual designs. Use when establishing design tokens, building style guides, or…
Design & UISeth Hobson42k
Visual Edit Precision
Use when making UI/frontend changes guided by visual context, when the user selects elements visually, draws annotations, or provides screenshots alongside change requests. Also…
Coding WorkflowSeth Hobson42k
Wcag Audit Patterns
Conduct WCAG 2.2 accessibility audits with automated testing, manual verification, and remediation guidance. Use when auditing websites for accessibility, fixing WCAG violations…
SecuritySeth Hobson42k
Web Component Design
Master React, Vue, and Svelte component patterns including CSS-in-JS, composition strategies, and reusable component architecture. Use when building UI component libraries…
Design & UISeth Hobson42k
Web3 Testing
Test smart contracts comprehensively using Hardhat and Foundry with unit tests, integration tests, and mainnet forking. Use when testing Solidity contracts, setting up blockchain…
Testing & BrowserSeth Hobson42k
Workflow Orchestration Patterns
Design durable workflows with Temporal for distributed systems. Covers workflow vs activity separation, saga patterns, state management, and determinism constraints. Use when…
Backend & APIsSeth Hobson42k
Workflow Patterns
Use this skill when implementing tasks according to Conductor's TDD workflow, handling phase checkpoints, managing git commits for tasks, or understanding the verification…
Coding WorkflowSeth Hobson42k