Help users build strong engineering culture. Use when someone is improving developer experience, fostering technical excellence, designing engineering practices, or scaling an engineering organization.

Guidelines for planning engineering tasks with precision and clarity. Use this skill when creating todo lists, breaking down complex engineering tasks, or designing implementation plans for software development work. Emphasizes concrete, actionable steps without time estimates.

Engineers effective prompts using systematic methodology. Use when designing prompts for Claude, optimizing existing prompts, or balancing simplicity, cost, and effectiveness. Applies progressive disclosure and empirical validation to prompt development.

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Deploy and manage enter.pollinations.ai text/image services on EC2 and Cloudflare Workers. Requires: SSH keys, sops, wrangler.

Production-grade AI architecture patterns for enterprise - security, governance, scalability, and operational excellence

Complete guide for enterprise architecture patterns including domain-driven design, event sourcing, CQRS, saga patterns, API gateway, service mesh, and scalability

Apply Gremlin's enterprise chaos engineering methodology. Emphasizes categorized failure injection, safety controls, and structured experimentation. Use when implementing chaos engineering in enterprise environments with compliance requirements.

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Apply enterprise architecture patterns for integration and governance

Comprehensive guide to implementing Role-Based Access Control for enterprise applications with hierarchical roles, custom permissions, and multi-level access

Rent cars, manage reservations, and access Enterprise Plus benefits through Enterprise Rent-A-Car

Apply Disney's 12 principles when bringing elements into view.

Find cross-references between NCBI databases using Biopython Bio.Entrez. Use when navigating from genes to proteins, sequences to publications, finding related records, or discovering database relationships.

General quality standards for all je-dict-1 dictionary entries. Use when creating or revising any entry type.

환경변수(.env.*), Spring 프로파일(application-*.yml) 수정 시 사용. app/backend/CLAUDE.md 참조 필수. 서비스별 포트 중복 검증, 민감 정보는 .env.local만, application-*.yml은 플레이스홀더만(기본값 금지). 의미없는 override 지양. SQS 엔드포인트 정확성 확인.

Validate environment configuration files across local, staging, and production environments. Ensure required secrets, database URLs, API keys, and public variables are properly scoped and set. Use this skill when setting up environments, validating configuration, checking for missing secrets, auditing environment variables, ensuring proper scoping of public vs private vars, or troubleshooting environment issues. Trigger terms include env, environment variables, secrets, configuration, .env file, environment validation, missing variables, config check, NEXT_PUBLIC, env vars, database URL, API keys.

Environment configuration and secrets management skill using UV for Python projects. Handles .env files, environment variables, secrets encryption, multi-environment setups, and secure configuration patterns. Use when setting up project environments, managing API keys, or implementing configuration best practices.

당신이 Laravel 환경 설정, 캐시, 또는 데이터베이스 연결 문제를 진단해야 할 때 이 Skill을 사용하세요.

Expert guide for setting up development environments including IDE configuration, tooling, dependencies, and developer onboarding. Use when bootstrapping new projects or standardizing team environments.

Validate environment variables on server start and before builds. Catch missing or invalid variables early with clear error messages.

Environment variable management across Vercel, Convex, and other platforms. Invoke for: trailing whitespace issues, cross-platform parity, Invalid character errors, webhook secrets, API key management, production deployment, dev vs prod configuration.

Manages environment variable additions and updates across all project files. Use when adding new environment variables, updating PORT configuration, modifying deployment configurations, or documenting configuration requirements.

Unify toolchain versions and validation rules (project, gitignored). Use when environment validation guidance is required.

Use compile-time validated environment variables with t3-oss/env-nextjs. Ensures type-safe access to environment variables with automatic validation at build time. Use when accessing any environment variable or adding new environment configurations.

Environmental assessments (Phase I/II ESA), contamination risk evaluation, cleanup cost estimation, regulatory pathway analysis, liability allocation. Use for site acquisitions, contaminated properties, environmental due diligence

Use when scanning external trends for strategic planning, monitoring PESTLE forces (Political, Economic, Social, Technological, Legal, Environmental), detecting weak signals (early indicators of change), planning scenarios for multiple futures, setting signposts and indicators for early warning, or when user mentions environmental scanning, horizon scanning, trend analysis, scenario planning, strategic foresight, futures thinking, or emerging issues monitoring.

Manage Epic Games Store library, claim free games, and track wishlist

Use for LARGE work requiring feature-level grouping. Creates epic tracking issues, manages related issues under a common label, tracks epic progress, and coordinates with milestones.

Create and manage epics with beads hierarchical task structure, breaking large features into manageable components

Guide on RBAC system and permissions for Epic Stack

Use this skill when you need to:

Use this skill when you need to:

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Log execution steps during episode execution for detailed tracking and learning. Use when recording tool usage, decision points, errors, or milestones during task execution.

Epson timing devices MPN encoding patterns, suffix decoding, and handler guidance. Use when working with Epson crystals, oscillators, RTCs, or EpsonHandler.

Query Turkish electricity generation data including real-time generation by resource type, plant-level production, UEVM (settlement generation/Uzlaştırmaya Esas Veriş Miktarı), and generation forecasts. Use when asking about power generation, renewable energy output, plant production, solar/wind generation, or UEVM data in Turkey. Triggers on: elektrik üretimi, santral üretimi, rüzgar üretimi, güneş üretimi, UEVM, generation by fuel type.

Query Turkish electricity market operations data including Day-Ahead Market (GÖP) orders and clearing, Intraday Market (GİP) transactions and order books, bilateral contracts (İA), and Balancing Power Market (DGP) instructions. Use when asking about market volumes, trading activity, order books, block bids, flexible offers, or bilateral agreements in Turkey. Triggers on: GÖP, GİP, DGP, gün öncesi piyasası, gün içi piyasası, ikili anlaşmalar, market orders, block bids, YAL, YAT.

Query and analyze Turkish electricity market prices including MCP (PTF/Piyasa Takas Fiyatı), SMP (SMF/Sistem Marjinal Fiyatı), WAP (Ağırlıklı Ortalama Fiyat), and imbalance prices. Use when asking about electricity prices, market clearing prices, day-ahead prices, system marginal prices, weighted average prices, or price comparisons in Turkey's energy market. Triggers on: PTF, SMF, GÖP fiyat, GİP fiyat, elektrik fiyatı.

Fixed points where vector field vanishes

Create entity-relationship diagrams with proper normalization, keys, and cardinality for logical data models.

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Use when erlang distributed systems including node connectivity, distributed processes, global name registration, distributed supervision, network partitions, and building fault-tolerant multi-node applications on the BEAM VM.

Use when oTP behaviors including gen_server for stateful processes, gen_statem for state machines, supervisors for fault tolerance, gen_event for event handling, and building robust, production-ready Erlang applications with proven patterns.

Complete guide for ERPNext/Frappe API integrations (v14/v15/v16) including REST API, RPC API, authentication, webhooks, and rate limiting. Use when code is needed for external API calls to ERPNext, designing API endpoints, configuring webhooks, implementing authentication (token/OAuth2/session). Triggers: API integration, REST endpoint, webhook, token authentication, OAuth, frappe.call, external connection, API response, rate limiting.

Database operations and ORM patterns for ERPNext/Frappe v14-v16

Error handling patterns for ERPNext/Frappe API development (v14/v15/v16). Covers whitelisted method errors, REST API errors, client-side handling, external integrations, and webhooks. Triggers: API error, whitelisted method error, frappe.call error, REST API error, webhook error, external API error, HTTP status codes.

Error handling patterns for ERPNext Document Controllers. Use when implementing try/except, validation errors, permission errors, and transaction management. Covers rollback patterns, error logging, and user feedback. V14/V15/V16 compatible. Triggers: controller error, try except catch, ValidationError, PermissionError, rollback, error handling.

Error handling patterns for ERPNext/Frappe database operations. Use when handling DoesNotExistError, DuplicateEntryError, transaction failures, and query errors. Covers retry patterns and data integrity. V14/V15/V16 compatible. Triggers: database error, DoesNotExistError, DuplicateEntryError, transaction failed, query error.