Math
Mathematical computations, formulas, statistics
Opportunity Cost Minimization
by Coowoolf
Stop optimizing for positive ROI and start focusing on minimizing opportunity cost—choosing the BEST possible use of time, not just a good one. Use during quarterly planning and roadmap prioritization.
narrative-dimensions-analysis
by wmiles81
Physics-inspired story analysis system that treats narrative as trajectories through dimensional space. Tracks dimensions like intimacy, trust, power, and stakes to calculate tension, validate pacing, and diagnose story problems. Genre-aware with formulas for romance, thriller, mystery, and fantasy. Use when analyzing story structure, engineering tension, validating character arcs, diagnosing pacing issues, or generating dimensional targets for scenes.
xlsx
by Krosebrook
"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"
valuation-calculator
by OctavianYimingZhang
Comprehensive public company valuation using DCF, multiples, comparable analysis, residual income, sum-of-the-parts, and scenario modeling. Accepts Bloomberg Terminal data from screenshots and fetches SEC EDGAR filings for full financial analysis. Produces institutional-grade valuation reports in English.
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.
stardust-lumos-ui
by L61
This skill provides CSS and HTML templates for creating deep space themed UIs with liquid glass design. It should be used when implementing dark cosmic interfaces with animated starfields, breathing dust particles, and translucent glass-morphism cards.
h3-js
by frontboat
Index points into a hexagonal grid
fusion-construction
by peytoncasper
Create and manage construction geometry in Fusion 360 — planes, axes, points, and measurements. Use when the user asks to create reference geometry, offset planes, angled planes, midplanes, construction axes, construction points, measure distances, measure angles, or query body properties.
united-airlines-baggage-fee-calculator
by Ontos-AI
Opens the United Airlines baggage fee calculator webpage.
fusion-sketch
by peytoncasper
Create and edit sketches in Fusion 360 using the fusion-sketch CLI. Use when the user asks to sketch, draw geometry, create profiles, add constraints, dimensions, patterns, or work with 2D geometry in Fusion 360.
codeeagle-status
by imyousuf
Show CodeEagle knowledge graph indexing status and statistics including node/edge counts, types, and git branch info.
openscad-iterative-modeling
by fboldo
Iteratively generate OpenSCAD (SCAD) code, render PNG previews, visually critique the result, and refine in a tight loop until the model matches. Use when the user asks to create a 3D model, design a part, make a bracket/enclosure/mount, render in OpenSCAD, export STL, or any request that can be expressed as parametric CSG geometry. Requires the OpenSCAD MCP server tools (render_scad_png, export_scad_stl).
demo_math
by cliuxinxin
A math skill that can perform magic number calculations using python scripts.
three-js
by noklip-io
This skill should be used when the user asks to "create a 3D scene", "add a mesh", "implement OrbitControls", "load a GLTF model", "add bloom post-processing", "write a custom shader", "create particle effects", "optimize Three.js performance", "use WebGPU", "add shadows", "animate a model", or mentions Three.js, threejs, WebGL, WebGPU, GLTF, raycaster, shader material, PBR material, or post-processing effects. IMPORTANT: This skill is for VANILLA Three.js (imperative JavaScript). For React Three Fiber (@react-three/fiber, R3F, drei), check the r3f-best-practices skill, although three-js skills helps when working with R3F since R3F is a React renderer for Three.js. Provides complete Three.js reference for 3D web graphics including scene setup, geometry, materials, textures, lighting, cameras, loaders, animation, controls, interaction, shaders, post-processing, performance optimization, TSL/node materials, WebGPU, physics, and VR/XR integration.
skills-xlsx
by Within-7
"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"
xlsx
by UholySmokes
"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"
results-interpreter
by sxg
Analyze CSV data files and interpret figures to generate the Results section. Fifth step of writer workflow. Requires scope.md, data/ folder with CSVs, and figures/ folder with images.
xlsx
by ThomasRohde
"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"
xlsx
by UholySmokes
"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"
statistics
by pluginagentmarketplace
Statistical analysis methods, hypothesis testing, and probability for data analytics
threejs-builder
by CookSaw
Creates simple Three.js web apps with scene setup, lighting, geometries, materials, animations, and responsive rendering. Use for: "Create a threejs scene/app/showcase" or when user wants 3D web content. Supports ES modules, modern Three.js r150+ APIs.
hook-timer
by rozwer
Show hook execution timing from hook-timer.jsonl. Highlights slow hooks over 500ms.
manim-video-creator
by y-ymmt
Manim（Mathematical Animation Engine）を使用してアニメーション動画を作成します。このスキルは、(1) 解説動画やビジュアライゼーションの作成、(2) プレゼンテーション動画、(3) ロゴアニメーション、(4) インフォグラフィック、(5) 教育コンテンツ、(6) 3Dアニメーション、(7) アルゴリズムやデータ構造の可視化に使用します。2D/3Dシーン、LaTeX数式、グラフ、TTSナレーション、BGMなどをサポートします。
geojson-points
by mmbmf1
Convert JSON rows with latitude/longitude fields into a GeoJSON FeatureCollection using raw PostGIS SQL.