Core error types and HTTP status code mapping patterns

---name: core-python-best-practices

Use this skill when working with any UI code

Master Kotlin coroutines with suspend functions, flows, channels, and structured concurrency for building async applications.

Structured Concurrency, Flow patterns, and Asynchronous programming standards.

Manage corporate records and minute books

Automatically validates Cloudflare Workers CORS configuration, ensuring proper headers, OPTIONS handling, and origin validation for cross-origin requests

Track real-time API cost accrual during LLM execution. Activate on 'cost tracking', 'token usage', 'API costs', 'budget monitoring', 'usage metrics'. NOT for cost estimation, pricing tiers, or billing systems.

Cost estimation scripts and tools for calculating GPU hours, training costs, and inference pricing across Modal, Lambda Labs, and RunPod platforms. Use when estimating ML training costs, comparing platform pricing, calculating GPU hours, budgeting for ML projects, or when user mentions cost estimation, pricing comparison, GPU budgeting, training cost analysis, or inference cost optimization.

Guidelines for estimating token usage and costs per task and phase. Reference this skill when planning to provide accurate budget estimates.

Infrastructure and development cost estimation for technical projects. Use when planning budgets, evaluating build vs buy decisions, or projecting TCO for architecture choices.

| Atributo | Valor |

Estimate and control costs for Solana apps: RPC, indexing, storage, bots, and on-chain fees. Use for budgeting and scaling.

Access commercial real estate data with CoStar's professional platform.

council-verify

Restore access to purchased course content. Use when a customer has paid but content is locked, missing, or inaccessible.

Provides comprehensive guidance for course design including curriculum development, learning objectives, and course structure. Use when the user asks about course design, needs to design courses, create learning objectives, or structure educational content.

Advise on course difficulty and prerequisites. Use when a customer is unsure about the level or required knowledge.

court-record-transcriber

Unified skill modification with covariant transport, Darwin Gödel Machine evolution, and MCP Tasks self-rewriting. GF(3) conserved.

Develop authentic cover letter narrative using philosophy, patterns, and job's cultural requirements

Implement covered call options strategy for income generation on long stock positions. Use when seeking to enhance returns through option premium collection while maintaining stock ownership. Covers structure, risk management, Greeks analysis, execution mechanics, and regulatory compliance for covered call writing programs.

调用扣子(Coze)智能体 API 进行对话、工作流执行等操作。当用户需要集成 Coze 智能体、调用 Coze API、或开发 Coze 相关应用时使用。支持流式和非流式对话、工作流调用等功能。

Use when working with modern C++ codebases requiring features from C++11 to C++23 including lambdas, move semantics, ranges, and concepts.

Write idiomatic C++ code with modern features, RAII, smart

Implement and deserialize all CQL types including primitives (int, text, timestamp, uuid, varint, decimal), collections (list, set, map), tuples, UDTs (user-defined types), and frozen types. Use when working with CQL type deserialization, schema validation, collection parsing, UDT handling, or type-correct data generation.

CQRS pattern implementation and query optimization

Créer des Commands et Queries suivant le pattern CQRS pour séparer les opérations d'écriture (commands) des opérations de lecture (queries) dans l'Application Layer.

Comprehensive guide for implementing CQRS+DDD architecture in this .NET/EF Core codebase.

Regla 07: CQRS - Command Query Responsibility Segregation. Use when implementing DDD patterns.

Complete skill suite for managing Craft CMS content including sections, entry types, fields, entries, drafts, field layouts, and sites.

Crane provides three access control patterns for Diamond proxies: MultiStepOwnable (ERC-8023), Operable, and ReentrancyLock.

Crane is a Diamond-first (ERC2535) Solidity development framework for building modular, upgradeable smart contracts. This skill provides guidance on the core architectural patterns.

Crane provides pre-built Diamond Factory Packages (DFPkg) for deploying ERC20, ERC20Permit, and ERC4626 tokens as Diamond proxies.

'Fully autonomous epic execution. Runs until ALL children are CLOSED. Loops through beads issues, runs /implement on each, validates with /vibe. NO human prompts, NO stopping.'

Collaborative terminal session sharing using CRDT-style s-expressions

The recommended way to create an Edge App

Creates a new backend module following **Clean Architecture** with API, Domain, and Infrastructure layers.

Creates Application Slash Command definition and handler following clean architecture

Guide users through creating custom assistants via interactive dialogue.

Creates a backend (adminhtml) controller action in Magento 2 with proper ACL, routing, authorization, and admin UI integration. Use when building admin pages, AJAX endpoints, form handlers, or mass actions.

Creates conversational blog posts with proper Hugo frontmatter and SEO optimization. Use when the user wants to write a blog post, draft blog content, or add an article. Supports four content types (original, curated, embed, project) with voice learning for consistent tone.

Step-by-step guide for creating DDD Bounded Contexts with ubiquitous language, context maps, and cross-context communication.

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Create a new collector bot package with automatic implementation and validation. Use when user wants to create a new collector from scratch.

Add a new component to the design system

Guide you through creating a Red Hat Showroom demo module using the Know/Show structure for presenter-led demonstrations.

create-event-schema

Create new publish/subscribe examples for ROS2 message types. Use when the user wants to add a new example, create pub/sub for a new message type, or add trajectory/sensor/geometry message examples.