Math
Mathematical computations, formulas, statistics
accountant
by olehsvyrydov
"Senior Accountant & Strategic CFO with 20+ years experience in tech sector. Use for tax planning, VAT/sales tax compliance, financial forecasting, contractor assessments, or accounting app logic design. Auto-triggers tax warnings and savings opportunities. Adapts to user's jurisdiction."
obsidian-bases
by ZhanlinCui
Create and edit Obsidian Bases (.base files) with views, filters, formulas, and summaries. Use when working with .base files, creating database-like views of notes, or when the user mentions Bases, table views, card views, filters, or formulas in Obsidian.
free-geocoding-and-maps
by besoeasy
"Geocode addresses and get map data using free OpenStreetMap Nominatim API. Use when: (1) Converting addresses to coordinates, (2) Reverse geocoding coordinates to addresses, (3) Location-based features, or (4) Validating addresses."
checking-image-bounds-transform
by christian289
"Checks and clamps mouse coordinates within transformed image bounds in WPF. Use when implementing measurement tools or annotations that should only work inside Pan/Zoom/Rotate transformed images."
creating-graphics-in-code
by christian289
"Creates WPF graphics dynamically in C# code using Shape, PathGeometry, and PathFigure classes. Use when building charts, diagrams, or procedurally generated graphics."
displaying-slider-index
by christian289
"Displays 0-based collection indices as 1-based numbers in WPF Slider controls. Use when showing user-friendly slice/page numbers while maintaining 0-based internal indexing."
implementing-2d-graphics
by christian289
"Implements WPF 2D graphics using Shape, Geometry, Brush, and Pen classes. Use when building vector graphic UIs, icons, charts, or diagrams in WPF applications."
clustering-analyzer
by dkyazzentwatwa
Cluster data using K-Means, DBSCAN, hierarchical clustering. Use for customer segmentation, pattern discovery, or data grouping.
xlsx
by ZhanlinCui
"Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas"
test-calculate
by bdambrosio
Tests calculate tool with arithmetic, trig, and variable substitution
slack-gif-creator
by LeastBit
用于创建针对 Slack 优化的动画 GIF 的知识和工具集。提供约束条件、验证工具和动画概念。当用户请求为 Slack 创建动画 GIF 时使用，例如"为 Slack 制作一个 X 做 Y 的 GIF"。
math-teacher
by jamesrochabrun
Interactive math teacher that instantly generates playful, gamified learning experiences. Creates visual playgrounds, interactive artifacts, and engaging games for kids and adults to learn math concepts from basic arithmetic to advanced calculus.
3d-graphics
by samhvw8
"3D web graphics with Three.js (WebGL/WebGPU). Capabilities: scenes, cameras, geometries, materials, lights, animations, model loading (GLTF/FBX), PBR materials, shadows, post-processing (bloom, SSAO, SSR), custom shaders, instancing, LOD, physics, VR/XR. Actions: create, build, animate, render 3D scenes/models. Keywords: Three.js, WebGL, WebGPU, 3D graphics, scene, camera, geometry, material, light, animation, GLTF, FBX, OrbitControls, PBR, shadow mapping, post-processing, bloom, SSAO, shader, instancing, LOD, WebXR, VR, AR, product configurator, data visualization, architectural walkthrough, interactive 3D, canvas. Use when: creating 3D visualizations, building WebGL/WebGPU apps, loading 3D models, adding animations, implementing VR/XR, creating interactive graphics, building product configurators."
gtm-pricing
by ScientiaCapital
"B2B go-to-market strategy, pricing models, ICP development, positioning, and competitive intelligence. Use when planning GTM strategy, setting pricing, defining ICP, or evaluating opportunities."
Cross-Platform App Development Skill
by fal3
Strategies for developing apps that work across multiple Apple platforms, including adaptive layouts and multi-view implementations.
particles-lifecycle
by Bbeierle12
Particle lifecycle management—emission/spawning, death conditions, object pooling, trails, fade-in/out, and state transitions. Use when particles need birth/death cycles, continuous emission, trail effects, or memory-efficient recycling.
particles-gpu
by Bbeierle12
GPU-based particle systems using instanced rendering, buffer attributes, Points geometry, and custom shaders. Use when rendering thousands to millions of particles efficiently, creating particle effects like snow, rain, stars, or abstract visualizations.
particles-physics
by Bbeierle12
Physics simulation for particle systems—forces (gravity, wind, drag), attractors/repulsors, velocity fields, turbulence, and collision. Use when particles need realistic or artistic motion, swarm behavior, or field-based animation.
audio-analysis
by Bbeierle12
Audio analysis with Tone.js and Web Audio API including FFT, frequency data extraction, amplitude measurement, and waveform analysis. Use when extracting audio data for visualizations, beat detection, or any audio-reactive features.
math-tools
by ananddtyagi
Deterministic mathematical computation using SymPy. Use for ANY math operation requiring exact/verified results - basic arithmetic, algebra (simplify, expand, factor, solve equations), calculus (derivatives, integrals, limits, series), linear algebra (matrices, determinants, eigenvalues), trigonometry, number theory (primes, GCD/LCM, factorization), and statistics. Ensures mathematical accuracy by using symbolic computation rather than LLM estimation.
xlsx
by doomclouds
"Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas"
estimate-transaction-fee
by b-open-io
This skill should be used when the user asks to "estimate transaction fee", "calculate BSV fee", "fee per byte", "transaction cost", or needs to estimate fees based on transaction size and current rates.
numerical-methods
by Data-Wise
Numerical algorithms and computational techniques for statistics
extended-thinking
by vanman2024
Deep reasoning with Claude's extended thinking feature for complex multi-step problems. Use when implementing think-aloud reasoning, complex analysis, or debugging difficult issues.