Development

Hierarchical exception system with HTTP status codes, machine-readable error codes, and structured responses for consistent API error handling across all endpoints.

在Node.js中读取、操作和写入Excel电子表格（XLSX）。完全支持样式、公式、图表和大文件流式处理。

Process Excel files with data manipulation, formula generation, and chart creation. Use when working with spreadsheets or Excel data.

Analyze Excel spreadsheet formulas to build dependency DAGs (Directed Acyclic Graphs) and understand calculation chains. This skill should be used when the user wants to reverse-engineer Excel formula dependencies, trace how values are calculated from inputs to outputs, validate formula logic, or create reusable calculators from spreadsheet logic.

Validates Customer Feedback Analyzer Excel exports with 7 view sheets, 36 columns, and professional formatting. Use when checking Excel files, verifying export quality, debugging Excel generation issues, before releasing new versions, or when modifying Excel export code. Ensures zero errors in customer-facing deliverables.

Analyze messy and unstructured Excel files to identify data quality issues, detect format inconsistencies, find missing values, and generate comprehensive analysis reports. Use when Claude needs to work with Excel files (.xlsx, .xls) for data quality assessment, structure analysis, or when users request data auditing, cleaning recommendations, or statistical summaries of spreadsheet data.

This skill should be used when the user asks to "create excalidraw diagram", "generate excalidraw", "hand-drawn diagram", "sketch diagram", "whiteboard style diagram", or when informal, spatial, annotated diagrams would best convey conceptual relationships. Expert in both presentation design AND artistic Excalidraw JSON creation.

Create diagrams, flowcharts, and architecture visualizations using Excalidraw. Use when user requests "create diagram", "draw flowchart", "architecture diagram", or mentions Excalidraw, visualization, system design.

Analyze mock data and examples for cultural assumptions, understanding what they communicate about who the product is for. Use when reviewing test data, documentation, or seed data.

Tests marketplace visibility configurations and catalog tiers (preview catalog only)

Requirements for creating and revising example sentences in je-dict-1. Covers minimum counts, progressive length, vocabulary restrictions by tier, and quality standards.

Provides three production-ready ML training examples (sentiment classification, text generation, RedAI trade classifier) with complete training scripts, deployment configs, and datasets. Use when user needs example projects, reference implementations, starter templates, or wants to see working code for sentiment analysis, text generation, or financial trade classification.

Use when motion needs to read clearly and powerfully—broad comedy, action highlights, important story beats, or any moment that must unmistakably communicate to the audience.

Executes Exa AI search queries via unified Python CLI. Use when searching the web for current information, finding code examples, researching APIs, SDKs, or retrieving programming context for any library or framework.

Search for relevant code snippets, examples, and documentation from billions of GitHub repositories, documentation pages, and Stack Overflow posts. Use this skill when coding tasks require real working code examples, API usage patterns, framework setup instructions, or library implementation details to eliminate hallucinations and provide accurate, token-efficient context.

The eternal text editor — Didactic Ersatz Emacs demonstrating immutable

Use when spec and code diverge - AI analyzes mismatches, recommends update spec vs fix code with reasoning, handles evolution with user control or auto-updates

Analyze component evolution and movement patterns

EdgeVLA - Open-source edge vision-language-action model for robotics. Standardizes Open-X Embodiment datasets for consistent VLA training and deployment.

Use para implementar registro de evidências, eventos de domínio e listeners no Laravel.

AWS EventBridge serverless event bus for event-driven architectures. Use when creating rules, configuring event patterns, setting up scheduled events, integrating with SaaS, or building cross-account event routing.

Implements Clix event tracking (Clix.trackEvent) with consistent naming, safe

Conventions for custom event naming, dispatching, and handling between components. Use when implementing component communication.

Event-driven design conventions: event envelope, naming, versioning, schema evolution rules, idempotency, ordering/partitioning, retry and dead-letter handling