Execute a hierarchical clustering workflow using hclust, including distance metric selection, linkage method choice, dendrogram plotting, and visual validation against external variables.

Develop interactive 2D graphics applications using React and Pixi.js (@pixi/react). Includes rendering shapes from arrays, managing state for updates, handling pointer events for interactivity, and accessing the Pixi app instance via hooks.

Adapt a source material (like a book) into a short film story or synopsis. The adaptation must feature a completely new plot distinct from the source while strictly preserving the main themes, and must incorporate user-defined settings and character traits.

Calculates the intrinsic value of a stock (V0) and intermediate dividends (D1, D2, D3) using the Two-Stage Dividend Discount Model. Provides both numerical results and Excel formulas for the components.

Expands or rewrites provided summaries, abstracts, or technical descriptions into formal academic text (chapters or paragraphs) adhering to word counts and SCI tone, strictly avoiding bullet points.

Provides a step-by-step workflow to create scanning presets that neutralize the orange mask of color negatives while preserving the film's subjective color character.

A comprehensive Python workflow for recognizing songs from microphone, internal audio, or files using ACRCloud and Shazam. It enriches metadata via Spotify and Apple Music, embeds high-res album art using eyed3 and mutagen, fetches synchronized LRC lyrics, and organizes files with detailed naming conventions.

Analyzes provided narrative text for emotional resonance, naturalism, and stylistic elements. Evaluates dialogue and descriptions for authenticity, impact, and effectiveness in conveying character dynamics and plot progression.

Acts as an elite writing critique partner and coauthor to brainstorm, refine, and consolidate complex magic systems and plot concepts for fantasy novels, ensuring logical consistency and narrative depth.

Evaluates 10th-grade level essays using a detailed 100-point scale, assessing introduction, body paragraphs, conclusion, organization, writing style, and proofreading conventions.

Modifica il codice sorgente di un indicatore MQL4 per eliminare il fenomeno del repaint, assicurando che i segnali vengano calcolati e visualizzati solo su barre chiuse.

Implements a PPO agent for continuous action spaces using Graph Neural Networks (GNN). The Actor features a multi-task head predicting both actions and node stability, while the Critic operates on flattened node features. Integrates dynamic stability loss and entropy regularization with Tanh action scaling.

Writes paragraphs following the 'It's good - but there is a problem - and this is how you solve it' structure, ensuring no conclusion is provided and transitioning smoothly to the next topic.

Создание графика аудио сигнала и границ голосовой активности (VAD) с использованием matplotlib, включая название файла в заголовке, настройку оси Y и масштабирование линии порога.

Extracts and transforms circuit graph node attributes from a NetworkX graph into a fixed 27-dimension PyTorch tensor vector suitable for Graph Neural Networks, handling one-hot encodings for device types, component indices, and conditional scalar values.

Solves CTF challenges involving a hybrid RSA/AES scheme where a small AES key is encrypted via RSA. Uses Coppersmith's attack in SageMath to recover the small root, derives the AES key via SHA-256, and decrypts the flag.

Manages the full lifecycle of Firestore expense data, including date-based initialization, additive array updates across time granularities, and time-series visualization using Jetpack Compose and Vico.

Implements a PPO agent utilizing a Graph Neural Network (GNN) for state embeddings and continuous action spaces. The policy update integrates a custom stability loss based on node features and an entropy regularization term, ensuring efficient computation and stable training.

Evaluates high school essays based on a detailed 100-point rubric covering introduction, body paragraphs, conclusion, organization, writing style, and proofreading conventions.

Develop a Gradio web application to search a MySQL database. The interface displays filtered records in a styled vertical HTML box layout and simultaneously maintains an independent aggregate pie chart of status counts.

Designs holistic art education curricula using John Goodlad's hierarchy and the Observing-Thinking-Creating (OTC) cycle, integrating cognitive-affective-connectivist dimensions and theorists like Eisner, Noddings, and Biesta, while excluding the teacher role from A/R/Tography.

Writes sequel chapters for a Homefront franchise fanfiction novel, strictly adhering to detailed plot outlines in a techno-thriller, cyberpunk, and military-action style.

Implements the image_averaging function to reduce noise in a burst sequence by averaging pixel values, handling 3D arrays, type conversion, and conditional plotting.

Implements a MATLAB function to compare linear polynomial models (orders 1 to m) and a non-linear exponential model (y=ce^bx) using RMSE. Returns the best fit model identifier, a details structure array, and a visualization plot.

Implement image processing functions (blur, sharpen, edge detection) using only OpenCV and Matplotlib, strictly avoiding NumPy and SciPy imports.

Create a p5.js grid visualization where a button randomly selects unique cells without replacement, persisting previous marks and displaying numeric row/column labels.

Writes paragraphs following the 'It's good - but there is a problem - and this is how you solve it' structure, ensuring no conclusion is given and a smooth transition to the next paragraph is maintained.

Writes literary analysis essays using simple vocabulary and a strict structure: an introduction with a thesis and roadmap, three body paragraphs (each containing three sub-topics), and a conclusion restating the thesis.

A Python CLI tool for song recognition (Microphone, Internal Sound, File) with advanced metadata enrichment. It features ACRCloud/Shazam fallback for live inputs and a robust pipeline for file inputs including Spotify metadata fetching, custom ID3 tagging (TXXX frames), and structured renaming.

Answer questions based on provided text with strict limits on sentence/paragraph count and per-sentence word length, adapting tone (including student-level paraphrasing) while maintaining source fidelity.

Создание интерактивных графиков Plotly для сравнения фактических и предсказанных классов событий логов, сгруппированных по имени хоста (Sourcehostname), с использованием слайдера и селектора диапазонов.

Design APIs that are secure, scalable, and maintainable using RESTful, GraphQL, and event-driven patterns. Use when designing new APIs, evolving existing APIs, or establishing API standards for teams.

Graph database implementation for relationship-heavy data models. Use when building social networks, recommendation engines, knowledge graphs, or fraud detection. Covers Neo4j (primary), ArangoDB, Amazon Neptune, Cypher query patterns, and graph data modeling.

Time-series database implementation for metrics, IoT, financial data, and observability backends. Use when building dashboards, monitoring systems, IoT platforms, or financial applications. Covers TimescaleDB (PostgreSQL), InfluxDB, ClickHouse, QuestDB, continuous aggregates, downsampling (LTTB), and retention policies.

View, add, or modify design tokens in the StyleSeed design system

Integrates Apache ECharts into UniApp and UniAppX projects for cross-platform data visualization (H5, mini-programs, native App). Supports line, bar, pie, scatter, radar, gauge, funnel, heatmap, and more chart types. Use when the user needs to create ECharts charts in UniApp/UniAppX or configure interactive data visualizations for mobile and web.

Provides comprehensive guidance for Cocos2d-x v4 game engine including scene graph, nodes, sprites, actions, animations, physics, rendering, shaders, and platform deployment. Use when the user asks about Cocos2d-x, needs to create games, implement game features, set up development environments, or deploy games to multiple platforms.

Creates flowcharts, swim lane diagrams, and business process diagrams using Draw.io (diagrams.net). Covers standard flowchart shapes (process, decision, start/end), connectors, auto-layout, and export to PNG/SVG/PDF. Use when the user needs to visualize workflows, decision trees, or business processes.

Factory skill for creating new pencil-ui-design-system-* skills. Use when you need to add support for a new design system layui antd bootstrap element uview uviewpro vant ucharts echarts etc. to the Pencil ecosystem.

Initialize Ant Design (antd) design tokens and component overview frames in a Pencil .pen file. Use when the user mentions Pencil with Ant Design or antd, needs to set up antd color palette and typography variables, or wants to create component library frames for Button, Form, Table, Modal, and other antd components.

Initialize Bootstrap design tokens and component overview frames in a Pencil .pen file. Use when the user mentions Pencil with Bootstrap, needs to set up Bootstrap color palette and typography variables, or wants to create component library frames for Grid, Card, Modal, Navbar, and other Bootstrap components.

Initialize ECharts chart theme tokens and data visualization placeholder frames in a Pencil .pen file. Use when the user mentions Pencil with ECharts, needs to set up chart color palette and axis tokens, or wants to create placeholder frames for Line, Bar, Pie, Radar, and other ECharts chart types.

Initialize Element Plus design tokens and component overview frames in a Pencil .pen file. Use when the user mentions Pencil with Element Plus or Element UI, needs to set up Element color palette and typography variables, or wants to create component library frames for Button, Table, Form, Dialog, and other Element components.

Initialize Layui design tokens and component overview frames in a Pencil .pen file. Use when the user mentions Pencil with Layui or layui-vue, needs to set up Layui color palette and typography variables, or wants to create component library frames for Button, Table, Form, Menu, and other Layui components.

Initialize uCharts chart theme tokens and data visualization placeholder frames in a Pencil .pen file. Use when the user mentions Pencil with uCharts or qiun-data-charts, needs to set up chart series colors and axis tokens, or wants to create placeholder frames for Line, Bar, Pie, Radar, and other uCharts chart types.

Initialize uView 2.x design tokens and component overview frames in a Pencil .pen file. Use when the user mentions Pencil with uView 2.x (not uView Pro), needs to set up uView color palette and typography variables, or wants to create component library frames for Button, Form, Cell, Tabs, and other uView components.

Initialize uView Pro design tokens and component overview frames in a Pencil .pen file. Use when the user mentions Pencil with uView Pro or uviewpro, needs to set up uView Pro color palette and typography variables, or wants to create component library frames for Button, Form, Tabs, Navbar, and other uView Pro components.

Initialize Vant 4 design tokens and component overview frames in a Pencil .pen file. Use when the user mentions Pencil with Vant or Vant 4, needs to set up Vant color palette and typography variables, or wants to create component library frames for Button, Cell, Form, Dialog, and other Vant components.

Orchestrates Pencil design system initialization by routing framework requests to the correct pencil-ui-design-system-* skill. Use when the user explicitly mentions Pencil and wants to initialize a design system (antd, Bootstrap, Element Plus, Layui, uView, Vant, uCharts, ECharts), set up component libraries, or create design tokens in a .pen file.

three.js node-based shading: Nodes API surface, NodeMaterial and MeshStandardNodeMaterial-style families, TSL (Three.js Shading Language) entry at TSL.html, WebGPURenderer pairing, and core PostProcessing (class) versus addon EffectComposer at a high level. Use when authoring shaders as graphs, using TSL builtins, compute-oriented nodes, or modern WebGPU pipelines; for classic ShaderMaterial GLSL use threejs-materials; for stock EffectComposer passes use threejs-postprocessing; for WebGLRenderer-only tuning use threejs-renderers.