Matemàtiques
Càlculs matemàtics, fórmules i estadística
pywayne-statistics
wangyendt
Comprehensive statistical testing library with 37+ methods for normality tests, location tests, correlation tests, time series tests, and model diagnostics. Use when performing hypothesis testing, A/B testing, data quality checks, time series analysis, or regression model validation. All methods return unified TestResult objects with consistent interface including p-value, statistic, confidence interval, and effect size.
high-dividend-strategy
Geeksfino
分析A股高股息策略，评估红利股的收益可持续性与长期回报。当用户询问高股息股票、红利策略、A股分红分析、现金分红覆盖率、中证红利指数成分股、股息率排名或长期收入型投资时使用此技能。
r3f-fundamentals
EnzeD
React Three Fiber fundamentals - Canvas, hooks (useFrame, useThree), JSX elements, events, refs. Use when setting up R3F scenes, creating components, handling the render loop, or working with Three.js objects in React.
blockbench-modeling
jasonjgardner
Create and edit 3D models in Blockbench using MCP tools. Use when building geometry with cubes, creating meshes, placing spheres/cylinders, editing vertices, extruding faces, or organizing models with groups. Covers both cube-based Minecraft modeling and freeform mesh editing.
homebrew-publish
regenrek
Publish CLIs/TUIs to Homebrew via a personal tap. Use when asked to create or manage a Homebrew tap repo, generate or update formulae, compute sha256, test installs, or ship new releases for Go, Rust, Node/TypeScript, Python, or prebuilt binaries.
clustering-analyzer
dkyazzentwatwa
Cluster data using K-Means, DBSCAN, hierarchical clustering. Use for customer segmentation, pattern discovery, or data grouping.
Cross-Platform App Development Skill
fal3
Strategies for developing apps that work across multiple Apple platforms, including adaptive layouts and multi-view implementations.
3d-visualizer
daffy0208
Expert in Three.js, 3D graphics, and interactive 3D visualizations
pywayne-vio-se3
wangyendt
SE(3) rigid body transformation library for 3D rotation and translation operations. Use when working with robot poses, camera transformations, SLAM systems, or any 3D rigid body motion tasks. Supports SE(3) matrix operations, Lie group/algebra mappings (log/Log, exp/Exp), representation conversions (quaternion, axis-angle, Euler angles), and batch processing of trajectories.
dividend-aristocrat-calculator
Geeksfino
Analyze Dividend Aristocrats (25+ years of consecutive dividend increases) for income reliability and total return. Use when the user asks to evaluate dividend aristocrats, calculate dividend reinvestment returns, assess dividend sustainability, compare income stocks, build a dividend growth portfolio, analyze payout ratios and free cash flow coverage, or rank stocks by dividend reliability and long-term total return.
game-loop
dadbodgeoff
Fixed timestep game loop with interpolation for frame-rate independent physics. Separates physics updates from rendering, prevents spiral of death, and supports hitstop/slow-mo effects.
deduplication
dadbodgeoff
Event deduplication with canonical selection, reputation scoring, and hash-based grouping for multi-source data aggregation. Handles both ID-based and content-based deduplication.
geographic-clustering
dadbodgeoff
Grid-based geographic clustering with O(n) performance, medoid finding for map markers, and multi-factor risk scoring from event density, sentiment, and recency.
math-teacher
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.
Orquestador Business
scaleto
Líder del Grupo Business. Planifica y delega tareas de análisis de negocio, startups, finanzas y estrategia a los especialistas del grupo.
Cthulhu Eternal: Character Creation Reference
jonassode
Note: Individual Bonds cannot be increased with Bonus Picks — they are tied to CHA.
postgis-knowledge-patch
Nevaberry
This skill should be used when writing PostGIS queries, using spatial functions, geography types, raster operations, topology, or any PostGIS features from 3.5+ (2024-2026).
word-stats
humanizerai
Get word count, character count, reading time, and text statistics. Quick analysis without questions.
blueprint-feature-tracker-status
laurigates
"Display feature tracker statistics and completion summary"
makepad-shaders
ZhangHanDong
CRITICAL: Use for Makepad shader system. Triggers on: makepad shader, makepad draw_bg, Sdf2d, makepad pixel, makepad glsl, makepad sdf, draw_quad, makepad gpu, makepad 着色器, makepad shader 语法, makepad 绘制
xlsx
pacphi
"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"
role-architect:cost-modeling
rnavarych
Cost modeling expertise including infrastructure cost estimation, TCO calculation, build vs buy analysis, pricing model comparison, ROI projection, cost growth modeling, and breakeven analysis.
role-database:capacity-planning
rnavarych
Database capacity and growth planning. Storage growth estimation, IOPS requirements, memory sizing (buffer pool, shared_buffers), connection count estimation, sharding triggers, read replica scaling, cost estimation per cloud provider. Load testing (pgbench, sysbench, YCSB, HammerDB). When to shard vs scale up vs read replicas. Use when planning database capacity, sizing infrastructure, or evaluating scaling strategies.
linear-combination
unitarylab
Analytic quantum gradient and Quantum Geometric Tensor (QGT) estimation via linear combination of unitaries (LCU). Supports Estimator (expectation value gradients), Sampler (probability distribution gradients), and QGT primitives with configurable derivative types.