Math

xlsx

by ArcaneOrion

"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"

ninja-patterns

by lgbarn

NinjaTrader 8 NinjaScript indicator scaffold and patterns. Provides C# structure guidance and triggers doc-researcher for API verification. Use when developing NinjaTrader indicators.

xor-shader-techniques

by ZhangHanDong

Use when implementing shader effects like turbulence, fluid, fire, smoke, procedural noise, starfields, volumetric rendering, raymarching, glow, antialiasing, fractal texturing, or optimizing shader performance with cheap alternatives. Triggers on: shader techniques, shader tricks, shader optimization, turbulence shader, fluid shader, fire shader, smoke shader, procedural noise, dot noise, gyroid noise, efficient chaos, star field, particle scatter, fractal texturing, LOD texturing, texture scaling, volumetric rendering, raymarching, glow effects, antialiasing, analytic antialiasing, fwidth, shader performance, cheap shader effects, GLSL tricks, shader math, shader formulas, Xor shader, GM Shaders, mini.gmshaders.com

multiversx-defi-math

by multiversx

Financial math patterns for MultiversX smart contracts — precision management, half-up rounding, safe rescaling, and percentage calculations. Use when building any DeFi contract that handles financial calculations, fees, rates, or token math.

mvx_defi_math

by multiversx

Financial math for MultiversX DeFi — precision management, half-up rounding, safe rescaling, percentage calculations.

pyscf

by silico-quantum

PySCF (Python-based Simulations of Chemistry Framework) — modular pure-Python quantum chemistry library. Supports HF, DFT, MP2, CCSD, CCSD(T), CASSCF, TDDFT, geometry optimization, PES scanning, and spectroscopy. Based on pyscf.org documentation.

Metrics Knowledge

by yamz8

This skill should be used when the user asks to "track metrics", "calculate ARR", "what metrics should I track", "benchmark my metrics", "understand churn", "calculate LTV", "what is burn multiple", "GMV calculation", "marketplace metrics", or mentions specific metrics like ARR, MRR, NRR, churn, CAC, LTV, burn rate, runway, GMV, take rate, or cohort analysis.

unicode-box-drawing

by andredezzy

Unicode box drawing patterns for ASCII diagrams, flow charts, and structured text layouts in documentation and code comments.

xlsx

by costa-marcello

"Creates, edits, and analyses spreadsheets with formulas, formatting, and data visualisation. Use when working with .xlsx, .xlsm, .csv, or .tsv files, creating spreadsheets from scratch, reading or analysing tabular data, modifying files while preserving formulas, building financial models, or recalculating formula values."

drawio-diagrams-enhanced

by WingsZeng

This skill should be used when the user asks to "create a diagram", "draw a flowchart", "make a swimlane diagram", "create WBS", "generate RACI matrix", "build network diagram", "create org chart", or mentions draw.io, diagrams.net, BPMN, UML, Gantt, PERT, or project management diagrams. Integrates with next-ai-draw-io MCP server for real-time diagram creation and editing.

xlsx

by AnswerZhao

"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"

arcgis-feature-effects

by SaschaBrunnerCH

Apply visual effects to features including filters, drop shadows, blur, and grayscale. Use for highlighting features and creating visual emphasis.

gcse-physics-tutor

by markpitt

GCSE Physics tutor and revision assistant for 15–16 year old students preparing for 2026 exams across AQA, Edexcel, OCR, and WJEC boards. Use when a student asks for help understanding physics topics, answering exam questions, revising for GCSEs, practising required practicals, solving calculation questions, or wants guidance on exam technique for GCSE Physics.

gcse-chemistry-tutor

by markpitt

GCSE Chemistry tutor and revision assistant for 15–16 year old students preparing for 2026 exams across AQA, Edexcel, OCR, and WJEC boards. Use when a student asks for help understanding chemistry topics, answering exam questions, revising for GCSEs, practising required practicals, or wants guidance on exam technique for GCSE Chemistry.

faion-growth-marketer

by faionfaion

"Growth marketing: experiments, analytics, A/B testing, AARRR metrics, retention."

gcse-maths-tutor

by markpitt

GCSE Maths tutor and revision assistant for 15–16 year old students preparing for 2026 exams across AQA, Edexcel, OCR, and Eduqas boards. Use when a student asks for help understanding maths topics, answering exam questions, revising for GCSEs, working through calculations, or wants guidance on exam technique for GCSE Maths.

aio-mental-models

by aiocean

This skill should be used when the user faces complex decisions, problem-solving, debugging, system design, strategic thinking, or needs structured reasoning. Comprehensive mental models framework with 50+ models covering first principles, second-order thinking, inversion, feedback loops, and more.

Visualization Skill

by ThepExcel

xlsx

by JayZeeDesign

"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"

vibe-coding-security-awareness-overview

by harperaa

Understand the security risks inherent in AI-generated code and vibe coding. Use this skill when you need to understand why AI generates insecure code, statistics on vulnerabilities, real-world breach examples, or overall security awareness for AI-assisted development. Triggers include "vibe coding security", "AI code security", "AI vulnerabilities", "security risks AI code", "why AI insecure", "AI security awareness", "AI generated code risks".

procedural-grass

by CK42BB

Generate procedural grass fields in Three.js using WebGPU compute with automatic WebGL2 fallback. Covers instanced blade geometry with bezier-curve profiles, multi-layer wind simulation, subsurface scattering approximation, distance-based LOD and density falloff, interactive displacement from players/objects, and configurable grass types (lawn, meadow, wheat, reeds, savanna, tundra). Use when building grass systems, fields, meadows, prairies, ground cover vegetation, or any scene requiring dense animated plant coverage. Triggers: "procedural grass", "grass field", "grass blades", "meadow", "grass rendering", "grass shader", "wind grass", "instanced grass", "grass LOD", "ground cover", "lawn", "wheat field", "tall grass".

LP Calculator & Validator

by 0xAxiom

Use --current-tick to override with latest value

ClawFomo Bot Skill

by 0xAxiom

Part of axiom-public — open-source agent tools for on-chain operations.

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."