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Skill Catalog

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DevOps & Cloud

Slurm Job Script Generator

Generate correct, copy-pasteable SLURM sbatch job scripts and sanity-check HPC resource requests — configure nodes, MPI tasks, OpenMP threads, memory (per-node or per-cpu), GPUs, walltime, partitions, modules, and environment variables, with automatic detection of conflicting directives and oversubscription. Use when preparing a SLURM submission script, deciding between pure MPI and hybrid MPI+OpenMP layouts, standardizing #SBATCH directives across a team, debugging why a job won't launch or gets killed, or setting up GPU-accelerated simulation jobs, even if the user only says "I need to run this on the cluster" or "my job keeps getting killed."

#broad-capability#science#materialsDevOps & Cloud

Snowflake Semanticview

Create, alter, and validate Snowflake semantic views using Snowflake CLI (snow). Use when asked to build or troubleshoot semantic views/semantic layer definitions with CREATE/ALTER SEMANTIC VIEW, to validate semantic-view DDL against Snowflake via CLI, or to guide Snowflake CLI installation and connection setup.

#github-copilot#cloud#architectureDevOps & Cloud

Sns

AWS SNS notification service for pub/sub messaging. Use when creating topics, managing subscriptions, configuring message filtering, sending notifications, or setting up mobile push.

#cloud#architectureDevOps & Cloud

Sqs

AWS SQS message queue service for decoupled architectures. Use when creating queues, configuring dead-letter queues, managing visibility timeouts, implementing FIFO ordering, or integrating with Lambda.

#cloud#architectureDevOps & Cloud

Sre Engineer

Defines service level objectives, creates error budget policies, designs incident response procedures, develops capacity models, and produces monitoring configurations and automation scripts for production systems. Use when defining SLIs/SLOs, managing error budgets, building reliable systems at scale, incident management, chaos engineering, toil reduction, or capacity planning.

#engineering#full-stack#incidentDevOps & Cloud

Step Functions

AWS Step Functions workflow orchestration with state machines. Use when designing workflows, implementing error handling, configuring parallel execution, integrating with AWS services, or debugging executions.

#devops#automationDevOps & Cloud

Software Engineering

Smart File Writer

Intelligent file write error handler: diagnoses permissions, disk space, path length, file locks before retrying. Use when you encounter 'Error writing file', 'Permission denied', 'Access denied', 'No space left', or related file write failures.

#broad-capability#creative#debuggingSoftware Engineering

Software Engineer Agent

Expert-level software engineering agent. Deliver production-ready, maintainable code. Execute systematically and specification-driven. Document comprehensively. Operate autonomously and adaptively.

#github-copilot#backend#developmentSoftware Engineering

Solidity Security

Master smart contract security best practices to prevent common vulnerabilities and implement secure Solidity patterns. Use when writing smart contracts, auditing existing contracts, or implementing security measures for blockchain applications.

#broad-capability#engineering#agent-skillsSoftware Engineering

Source Driven Development

Grounds every implementation decision in official documentation. Use when you want authoritative, source-cited code free from outdated patterns. Use when building with any framework or library where correctness matters.

#engineering#software-engineering#codeSoftware Engineering

Spark App Template

Comprehensive guidance for building web apps with opinionated defaults for tech stack, design system, and code standards. Use when user wants to create a new web application, dashboard, or interactive interface. Provides tech choices, styling guidance, project structure, and design philosophy to get users up and running quickly with a fully functional, beautiful web app.

#broad-capability#github-copilot#pluginsSoftware Engineering

Spec

Manage protocol/standard specifications that define what a system must do. Use to create, import, or update the contract that TASKs implement against.

#personal-productivity#daily-routine#weekly-reviewSoftware Engineering

Spec Driven Development

Creates specs before coding. Use when starting a new project, feature, or significant change and no specification exists yet. Use when requirements are unclear, ambiguous, or only exist as a vague idea.

#engineering#software-engineering#testingSoftware Engineering

Spec Driven Workflow v1

Specification-Driven Workflow v1 provides a structured approach to software development, ensuring that requirements are clearly defined, designs are meticulously planned, and implementations are thoroughly documented and validated.

#github-copilot#architectureSoftware Engineering

Specflow Skill

Generates SpecFlow BDD tests for C#/.NET with Gherkin feature files and step bindings. Use when user mentions "SpecFlow", "C# BDD", ".NET Gherkin", "[Binding]", "[Given]/[When]/[Then]". Triggers on: "SpecFlow", "C# BDD", ".NET BDD", "step bindings", "[Binding]".

#testing#automationSoftware Engineering

Specification

Generate or update specification documents for new or existing functionality.

#github-copilot#documentationSoftware Engineering

Speckit Analyze

Perform cross-artifact consistency analysis across spec.md, plan.md, and tasks.md. Use after task generation to identify gaps, duplications, and inconsistencies before implementation.

#broad-capability#creative#codeSoftware Engineering

Speckit Checklist

Generate custom quality checklists for validating requirements completeness and clarity. Use to create unit tests for English that ensure spec quality before implementation.

#broad-capability#creative#planningSoftware Engineering

Speckit Clarify

Structured clarification workflow for underspecified requirements. Use before planning to resolve ambiguities through coverage-based questioning. Records answers in spec clarifications section.

#broad-capability#creative#planningSoftware Engineering

Speckit Constitution

Create or update project governing principles and development guidelines. Use at project start to establish code quality, testing standards, and architectural constraints that guide all development.

#broad-capability#creative#projectSoftware Engineering

Speckit Implement

Execute all tasks from the task breakdown to build the feature. Use after task generation to systematically implement the planned solution following TDD approach where applicable.

#broad-capability#creative#backendSoftware Engineering

Speckit Plan

Generate technical implementation plans from feature specifications. Use after creating a spec to define architecture, tech stack, and implementation phases. Creates plan.md with detailed technical design.

#broad-capability#creative#planningSoftware Engineering

Speckit Specify

Create or update feature specifications from natural language descriptions. Use when starting new features or refining requirements. Generates spec.md with user stories, functional requirements, and acceptance criteria following spec-driven development methodology.

#broad-capability#creative#planningSoftware Engineering

Speckit Tasks

Break down implementation plans into actionable task lists. Use after planning to create a structured task breakdown. Generates tasks.md with ordered, dependency-aware tasks.

#broad-capability#creative#planningSoftware Engineering

Speckit Taskstoissues

Convert tasks from tasks.md into GitHub issues. Use after task breakdown to track work items in GitHub project management.

#broad-capability#creative#projectSoftware Engineering

Spec Miner

Reverse-engineering specialist that extracts specifications from existing codebases. Use when working with legacy or undocumented systems, inherited projects, or old codebases with no documentation. Invoke to map code dependencies, generate API documentation from source, identify undocumented business logic, figure out what code does, or create architecture documentation from implementation. Trigger phrases: reverse engineer, old codebase, no docs, no documentation, figure out how this works, inherited project, legacy analysis, code archaeology, undocumented features.

#engineering#full-stack#apiSoftware Engineering

Spec To Implementation

Parse specifications and create implementation plans with task tracking in Notion

#work-life#productivity#notionSoftware Engineering

Spike

Throwaway experiments to validate an idea before build.

#broad-capability#development#creativeSoftware Engineering

Sponsor Finder

Find which of a GitHub repository's dependencies are sponsorable via GitHub Sponsors. Uses deps.dev API for dependency resolution across npm, PyPI, Cargo, Go, RubyGems, Maven, and NuGet. Checks npm funding metadata, FUNDING.yml files, and web search. Verifies every link. Shows direct and transitive dependencies with OSSF Scorecard health data. Invoke with /sponsor followed by a GitHub owner/repo (e.g. "/sponsor expressjs/express").

#github-copilot#project#managementSoftware Engineering

Spring Boot 3.x to 4.0 Migration Guide

Comprehensive guide for migrating Spring Boot applications from 3.x to 4.0, focusing on Gradle Kotlin DSL and version catalogs

#github-copilot#backend#developmentSoftware Engineering

Spring Boot Development

Guidelines for building Spring Boot base applications

#github-copilot#backend#developmentSoftware Engineering

Spring Boot Engineer

Generates Spring Boot 3.x configurations, creates REST controllers, implements Spring Security 6 authentication flows, sets up Spring Data JPA repositories, and configures reactive WebFlux endpoints. Use when building Spring Boot 3.x applications, microservices, or reactive Java applications; invoke for Spring Data JPA, Spring Security 6, WebFlux, Spring Cloud integration, Java REST API design, or Microservices Java architecture.

#engineering#full-stack#backendSoftware Engineering

Spring Boot Testing

Expert Spring Boot 4 testing specialist that selects the best Spring Boot testing techniques for your situation with Junit 6 and AssertJ.

#github-copilot#testingSoftware Engineering

SQL Code Review

Universal SQL code review assistant that performs comprehensive security, maintainability, and code quality analysis across all SQL databases (MySQL, PostgreSQL, SQL Server, Oracle). Focuses on SQL injection prevention, access control, code standards, and anti-pattern detection. Complements SQL optimization prompt for complete development coverage.

#github-copilot#code#reviewSoftware Engineering

SQL Development

Guidelines for generating SQL statements and stored procedures

#github-copilot#database#designSoftware Engineering

SQL Optimization

Universal SQL performance optimization assistant for comprehensive query tuning, indexing strategies, and database performance analysis across all SQL databases (MySQL, PostgreSQL, SQL Server, Oracle). Provides execution plan analysis, pagination optimization, batch operations, and performance monitoring guidance.

#github-copilot#performance#optimizationSoftware Engineering

SQL Optimization Patterns

Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow queries. Use when debugging slow queries, designing database schemas, or optimizing application performance.

#broad-capability#engineering#agent-skillsSoftware Engineering

SQL Pro

Optimizes SQL queries, designs database schemas, and troubleshoots performance issues. Use when a user asks why their query is slow, needs help writing complex joins or aggregations, mentions database performance issues, or wants to design or migrate a schema. Invoke for complex queries, window functions, CTEs, indexing strategies, query plan analysis, covering index creation, recursive queries, EXPLAIN/ANALYZE interpretation, before/after query benchmarking, or migrating queries between database dialects (PostgreSQL, MySQL, SQL Server, Oracle).

#engineering#full-stack#performanceSoftware Engineering

Stabilizing Compose Types

Use this skill to fix unstable Jetpack Compose types once a stability diagnosis has identified them. Covers the three-tier strategy — make the type truly stable with val plus immutable fields, mark with @Immutable or @Stable when the source is owned, and use stabilityConfigurationFiles for third-party or Java types. Explains the compiler-level difference between @Immutable and @Stable (static expression promotion), kotlinx.collections.immutable for List/Set/Map parameters, and the StableHolder wrapper escape hatch. Use when the developer asks how to stabilize a User class, a List parameter, java.time.LocalDateTime, a Flow parameter, or when the compiler report shows unstable params and the developer wants the fix. The diagnostic step lives in a sibling skill.

#android#jetpack-compose#performanceSoftware Engineering

Statusline Generator

Installs, configures, customizes, or troubleshoots the Claude Code statusline (cwd, model, token counts). Use when the user wants to set up or change the statusline, switch minimal vs full layouts, show absolute token counts (e.g. ctx 108K / 1M) instead of a percentage, add cost via ccusage or git status, dump the stdin JSON Claude Code passes the script, or fix a statusline that is blank, silent, stuck, shows "permission denied", or stopped updating after a script edit (often a missing chmod +x). Trigger phrases: "configure statusline", "statusline blank", "status line not showing", "statusline broken", "show token count in statusline", 状态栏, 状态栏不显示, 状态栏空白, 显示工作目录, 显示 token 数.

#broad-capability#research#documentsSoftware Engineering

Design, Media & Creative

Snipgrapher

Configures and uses snipgrapher to generate polished code snippet images, including syntax-highlighted PNGs, SVGs, and WebP exports with custom themes, profiles, and styling options. Use when the user wants to create code screenshots, turn code into shareable images, generate pretty code snippets for docs or social posts, produce syntax-highlighted images from source files, or explicitly mentions snipgrapher. Supports single-file renders, batch jobs, watch mode, and reusable named profiles via the snipgrapher CLI or npx.

#nodejs#design#codeDesign, Media & Creative

Social Video Folder Autocutter

Plan repeatable hard-drive folder-to-video pipelines for speaker-led multicam content, including 9:16 Reels/Shorts up to 3 minutes at 1.1x talking speed and 16:9 long-form 3-7 minute cuts, with Resolve handoff, Editframe asset generation, audio/caption gates, and narrative beat planning.

#broad-capability#davinci-resolve#video-editingDesign, Media & Creative

Songsee

Audio spectrograms/features (mel, chroma, MFCC) via CLI.

#work-life#productivity#personal-productivityDesign, Media & Creative

Songwriting And AI Music

Songwriting craft and Suno AI music prompts.

#broad-capability#development#creativeDesign, Media & Creative

Speech

Use when the user asks for text-to-speech narration or voiceover, accessibility reads, audio prompts, or batch speech generation via the OpenAI Audio API; run the bundled CLI (`scripts/text_to_speech.py`) with built-in voices and require `OPENAI_API_KEY` for live calls. Custom voice creation is out of scope.

#broad-capability#creative#audioDesign, Media & Creative

Spotify Player

Terminal Spotify playback/search via spogo (preferred) or spotify_player.

#broad-capability#browser#automationDesign, Media & Creative

Stepfun TTS

Generate Chinese / Japanese speech with StepFun's stepaudio-2.5-tts — Contextual TTS that replaces step-tts-2's `voice_label` with natural-language `instruction` (≤200 chars) plus inline `()` parentheses for句内 prosody. Use when the user wants emotional / prosody control over voice synthesis (whisper, pause, stress, mood pivot mid-sentence), batch-generates game / app voice lines, migrates from `step-tts-2` (the `voice_label → instruction` breaking change), or hits StepFun's stricter 2.5-era censorship (死/消失/political terms). Triggers on 阶跃 TTS, StepAudio 合成, 语音合成, 配音, 文本转语音, TTS 升级, 迁移 step-tts-2. For transcription with the sibling stepaudio-2.5-asr model, use the stepfun-asr skill instead.

#broad-capability#research#documentsDesign, Media & Creative

Stitch Design Taste

Semantic Design System Skill for Google Stitch. Generates agent-friendly DESIGN.md files that enforce premium, anti-generic UI standards — strict typography, calibrated color, asymmetric layouts, perpetual micro-motion, and hardware-accelerated performance.

#work-life#productivity#designDesign, Media & Creative

Business, Marketing & Sales

Social

When the user wants help creating, scheduling, or optimizing social media content for LinkedIn, Twitter/X, Instagram, TikTok, Facebook, or other platforms, or wants to do social listening and engagement triage. Also use when the user mentions 'LinkedIn post,' 'Twitter thread,' 'social media,' 'content calendar,' 'social scheduling,' 'engagement,' 'viral content,' 'what should I post,' 'repurpose this content,' 'tweet ideas,' 'LinkedIn carousel,' 'social media strategy,' 'grow my following,' 'TikTok video,' 'Reels,' 'Shorts,' 'video script,' 'video hook,' 'short-form video,' 'create a reel,' 'social listening,' 'brand mentions,' 'competitor monitoring,' 'top posts to comment on,' or 'find people asking for.' Use this for social media content creation, repurposing, scheduling, short-form video scripting, and social listening. For broader content strategy, see content-strategy. For paid ads, see ad-creative. For earned media, see public-relations.

#work-life#productivity#marketingBusiness, Marketing & Sales

Social Content

When the user wants help creating, scheduling, or optimizing social media content for LinkedIn, Twitter/X, Instagram, TikTok, Facebook, or other platforms. Also use when the user mentions 'LinkedIn post,' 'Twitter thread,' 'social media,' 'content calendar,' 'social scheduling,' 'engagement,' or 'viral content.' This skill covers content creation, repurposing, and platform-specific strategies.

#work-life#productivity#businessBusiness, Marketing & Sales

Social Media Analyzer

Social media campaign analysis and performance tracking. Calculates engagement rates, ROI, and benchmarks across platforms. Use when analyzing social media performance, calculating engagement rate, measuring campaign ROI, comparing platform metrics, or benchmarking against industry standards. Also use when the user mentions "social media audit," "engagement rate," or "which platform performs best."

#work-life#productivity#businessBusiness, Marketing & Sales

Social Media Brand Voice & Promotion

Write social media posts that sound like a real person, match each platform's native culture, and drive engagement — with brand voice definition, platform-specific templates, anti-AI patterns, and value-first promotion frameworks.

#social-media#brand-voice#promotionBusiness, Marketing & Sales

Social Media Content Calendar

Plan, organize, and schedule social media content across multiple platforms with a structured content calendar, consistent posting cadence, content mix, and batching workflow.

#social-media#content-calendar#schedulingBusiness, Marketing & Sales

Social Media Manager

When the user wants to develop social media strategy, plan content calendars, manage community engagement, or grow their social presence across platforms. Also use when the user mentions 'social media strategy,' 'social calendar,' 'community management,' 'social media plan,' 'grow followers,' 'engagement rate,' 'social media audit,' or 'which platforms should I use.' For writing individual social posts, see social-content. For analyzing social performance data, see social-media-analyzer.

#work-life#productivity#businessBusiness, Marketing & Sales

Social Media Posts

Draft viral social media posts for X (Twitter) and LinkedIn. Use when asked to write, draft, create, or improve posts for X, Twitter, LinkedIn, or social media. Handles single posts, threads, milestone celebrations, product launches, hot takes, and engagement-optimized content. NOT for: scheduling posts, managing accounts, or analytics.

#broad-capability#agent-orchestration#workflowBusiness, Marketing & Sales

Social Publisher

Multi-platform social media publishing automation - schedule, post, and track content across TikTok, Instagram, YouTube, LinkedIn, and more

#work-life#office#productivityBusiness, Marketing & Sales

Spark

Proposing new features leveraging existing data/logic as Markdown specifications. Use when brainstorming new features, product planning, or feature proposals are needed. Does not write code.

#broad-capability#development#securityBusiness, Marketing & Sales

Sprint Plan

Plan a sprint with capacity estimation, story selection, dependency mapping, and risk identification. Use when preparing for sprint planning, estimating team capacity, selecting stories, or balancing sprint scope against velocity.

#work-life#productivity#product-managementBusiness, Marketing & Sales

Sred Project Organizer

Take a list of projects and their related documentation, and organize them into the SRED format for submission.

#observability#sentry#projectBusiness, Marketing & Sales

Sred Work Summary

Go back through the previous year of work and create a Notion doc that groups relevant links into projects that can then be documented as SRED projects.

#observability#sentry#projectBusiness, Marketing & Sales

Stakeholder Map

Build a stakeholder map using a power/interest grid, identify communication strategies per quadrant, and generate a communication plan. Use when managing stakeholders, preparing for a launch, aligning cross-functional teams, or planning stakeholder engagement.

#work-life#productivity#product-managementBusiness, Marketing & Sales

Stakeholder Update

Generate a stakeholder update tailored to audience and cadence. Use when writing a weekly or monthly status for leadership, announcing a launch, escalating a risk or blocker, or translating the same progress into exec-brief, engineering-detail, or customer-facing versions.

#work-life#productivity#knowledge-workBusiness, Marketing & Sales

Standardize Geo Values

Convert inconsistent country and state/region formats to standardized values across contacts and companies. Ensures geographic segmentation works reliably.

#work-life#crm#hubspotBusiness, Marketing & Sales

Stanley Druckenmiller Investment

Druckenmiller Strategy Synthesizer - Integrates 8 upstream skill outputs (Market Breadth, Uptrend Analysis, Market Top, Macro Regime, FTD Detector, VCP Screener, Theme Detector, CANSLIM Screener) into a unified conviction score (0-100), pattern classification, and allocation recommendation. Use when user asks about overall market conviction, portfolio positioning, asset allocation, strategy synthesis, or Druckenmiller-style analysis. Triggers on queries like "What is my conviction level?", "How should I position?", "Run the strategy synthesizer", "Druckenmiller analysis", "総合的な市場判断", "確信度スコア", "ポートフォリオ配分", "ドラッケンミラー分析".

#work-life#productivity#financeBusiness, Marketing & Sales

Startup Analysis

Analyze a startup from three perspectives: VC investor, job applicant, and CEO/founder. Use this skill whenever the user wants to evaluate a startup, assess whether to invest in or join a startup, do due diligence, evaluate a job offer from a startup, understand a startup's competitive position, or assess company health and trajectory. Triggers: "analyze this startup", "should I join [company]", "is [company] a good investment", "evaluate [company]", "due diligence on [company]", "what do you think of [startup]", "should I take this startup job offer", "how healthy is [company]", "startup assessment", "company analysis", "is [company] worth joining", "what's the outlook for [company]", "research [company] for me", any mention of evaluating or assessing a startup or tech company from investment, career, or strategic perspectives — provide all three perspectives by default.

#work-life#productivity#financeBusiness, Marketing & Sales

Startup Business Analyst Business Case

Generate comprehensive investor-ready business case document with market, solution, financials, and strategy

#financial#analysisBusiness, Marketing & Sales

Startup Canvas

Generate a Startup Canvas combining Product Strategy (9 sections) and Business Model (costs + revenue) for a new product. An alternative to BMC and Lean Canvas that separates strategy from business model. Use when launching a new product or evaluating a startup concept.

#work-life#productivity#product-managementBusiness, Marketing & Sales

Startup Financial Modeling

Build comprehensive 3-5 year financial models with revenue projections, cost structures, cash flow analysis, and scenario planning for early-stage startups. Use this skill when creating financial projections, calculating burn rate or runway, modeling fundraising scenarios, or preparing investor-ready financials for a seed or Series A raise.

#broad-capability#engineering#agent-skillsBusiness, Marketing & Sales

Startup Metrics Framework

Track, calculate, and optimize key performance metrics for SaaS, marketplace, consumer, and B2B startups from seed through Series A, including unit economics, growth efficiency, and cash management. Use this skill when defining a metrics framework, calculating CAC/LTV/burn multiple, benchmarking business health, or preparing metrics dashboards for investors or board reporting.

#broad-capability#engineering#agent-skillsBusiness, Marketing & Sales

Status Report

Generate a status report with KPIs, risks, and action items. Use when writing a weekly or monthly update for leadership, summarizing project health with green/yellow/red status, surfacing risks and decisions that need stakeholder attention, or turning a pile of project tracker activity into a readable narrative.

#work-life#productivity#knowledge-workBusiness, Marketing & Sales

Stock Analysis

Analyze stocks with fundamental and technical analysis. Supports US, China A-shares, and Hong Kong markets. Generate investment reports with key metrics.

#work-life#office#productivityBusiness, Marketing & Sales

Stock Correlation

Analyze stock correlations to find related companies and trading pairs. Use when the user asks about correlated stocks, related companies, sector peers, trading pairs, or how two or more stocks move together. Triggers: "what correlates with NVDA", "find stocks related to AMD", "correlation between AAPL and MSFT", "what moves with", "sector peers", "pair trading", "correlated stocks", "when NVDA drops what else drops", "stocks that move together", "beta to", "relative performance", "supply chain partners", "correlation matrix", "co-movement", "related tickers", "sympathy plays", "semiconductor peers", "hedging pair", "realized correlation", "rolling correlation", or any request about stocks that move in tandem or inversely. Also triggers for well-known pairs like AMD/NVDA, GOOGL/AVGO, LITE/COHR. If only one ticker is provided, infer the user wants correlated peers.

#work-life#productivity#financeBusiness, Marketing & Sales

Strategic Alignment

Cascades strategy from boardroom to individual contributor. Detects and fixes misalignment between company goals and team execution. Covers strategy articulation, cascade mapping, orphan goal detection, silo identification, communication gap analysis, and realignment protocols. Use when teams are pulling in different directions, OKRs don't connect, departments optimize locally at company expense, or when user mentions alignment, strategy cascade, silo, conflicting OKRs, or strategy communication.

#work-life#productivity#businessBusiness, Marketing & Sales

Strategic Planning

Analyzes the founder's business context to deliver the 3 highest-impact next moves for growth (marketing or sales). Asks up to 10 diagnostic questions when needed to uncover bottlenecks, struggles, and opportunities. Use when user needs strategic guidance, next steps, growth planning, or actionable business strategy.

#work-life#productivity#startupBusiness, Marketing & Sales

Education & Writing

Presentations & Documents

Data, AI & Research

Southwest

Search Southwest Airlines fares and points pricing via Patchright browser automation. SW is not in any GDS or API. Covers all fare classes, Companion Pass value, and fare drop monitoring.

#travel#flights#hotelsData, AI & Research

Spark Engineer

Use when writing Spark jobs, debugging performance issues, or configuring cluster settings for Apache Spark applications, distributed data processing pipelines, or big data workloads. Invoke to write DataFrame transformations, optimize Spark SQL queries, implement RDD pipelines, tune shuffle operations, configure executor memory, process .parquet files, handle data partitioning, or build structured streaming analytics.

#engineering#full-stack#structuredData, AI & Research

Spark Optimization

Optimize Apache Spark jobs with partitioning, caching, shuffle optimization, and memory tuning. Use when improving Spark performance, debugging slow jobs, or scaling data processing pipelines.

#broad-capability#engineering#agent-skillsData, AI & Research

Sparse Autoencoder Training

Provides guidance for training and analyzing Sparse Autoencoders (SAEs) using SAELens to decompose neural network activations into interpretable features. Use when discovering interpretable features, analyzing superposition, or studying monosemantic representations in language models.

#broad-capability#creative#deepData, AI & Research

Speculative Decoding

Accelerate LLM inference using speculative decoding, Medusa multiple heads, and lookahead decoding techniques. Use when optimizing inference speed (1.5-3.6× speedup), reducing latency for real-time applications, or deploying models with limited compute. Covers draft models, tree-based attention, Jacobi iteration, parallel token generation, and production deployment strategies.

#broad-capability#ai-research#machine-learningData, AI & Research

Stable Baselines3

Production-ready reinforcement learning algorithms (PPO, SAC, DQN, TD3, DDPG, A2C) with scikit-learn-like API. Use for standard RL experiments, quick prototyping, and well-documented algorithm implementations. Best for single-agent RL with Gymnasium environments. For high-performance parallel training, multi-agent systems, or custom vectorized environments, use pufferlib instead.

#broad-capability#creative#rlData, AI & Research

Stable Baselines3

Production-ready reinforcement learning algorithms (PPO, SAC, DQN, TD3, DDPG, A2C) with scikit-learn-like API. Use for standard RL experiments, quick prototyping, and well-documented algorithm implementations. Best for single-agent RL with Gymnasium environments. For high-performance parallel training, multi-agent systems, or custom vectorized environments, use pufferlib instead.

#broad-capability#science#mathData, AI & Research

Stable Diffusion Image Generation

State-of-the-art text-to-image generation with Stable Diffusion models via HuggingFace Diffusers. Use when generating images from text prompts, performing image-to-image translation, inpainting, or building custom diffusion pipelines.

#broad-capability#development#creativeData, AI & Research

Statistical Analysis

Statistical analysis toolkit. Hypothesis tests (t-test, ANOVA, chi-square), regression, correlation, Bayesian stats, power analysis, assumption checks, APA reporting, for academic research.

#broad-capability#creative#deepData, AI & Research

Statistical Analysis

Guided statistical analysis with test selection and reporting. Use when you need help choosing appropriate tests for your data, assumption checking, power analysis, and APA-formatted results. Best for academic research reporting, test selection guidance. For implementing specific models programmatically use statsmodels.

#k-dense-ai-claude-scientific-skills#deep#researchData, AI & Research

Statistics Fundamentals

Apply statistical methods to financial data including descriptive statistics, covariance estimation, regression, hypothesis testing, and resampling. Use when the user asks about return distributions, correlation between assets, building a covariance matrix, running a CAPM regression, testing whether alpha is significant, checking if returns are normal, or estimating confidence intervals. Also trigger when users mention 'volatility', 'how correlated are these', 'fat tails', 'skewness', 'R-squared', 'beta of a fund', 'bootstrap a Sharpe ratio', 'shrinkage estimator', 'Ledoit-Wolf', or ask why their optimizer produces unstable weights.

#finance#personal-finance#wealth-managementData, AI & Research

Statsmodels

Statistical modeling toolkit. OLS, GLM, logistic, ARIMA, time series, hypothesis tests, diagnostics, AIC/BIC, for rigorous statistical inference and econometric analysis.

#broad-capability#creative#deepData, AI & Research

Statsmodels

Statistical models library for Python. Use when you need specific model classes (OLS, GLM, mixed models, ARIMA) with detailed diagnostics, residuals, and inference. Best for econometrics, time series, rigorous inference with coefficient tables. For guided statistical test selection with APA reporting use statistical-analysis.

#k-dense-ai-claude-scientific-skills#deep#researchData, AI & Research

Stock Liquidity

Analyze stock liquidity using bid-ask spreads, volume profiles, order book depth, market impact estimates, and turnover ratios via Yahoo Finance data. Use this skill whenever the user asks about liquidity, trading costs, bid-ask spread, market depth, volume analysis, slippage, market impact, turnover ratio, or how easy/hard it is to trade a stock without moving the price. Triggers: "how liquid is AAPL", "bid-ask spread", "volume analysis", "order book depth", "market impact of a large order", "turnover ratio", "slippage estimate", "can I trade 100k shares without moving the price", "liquidity comparison", "spread analysis", "ADTV", "Amihud illiquidity", "dollar volume", "execution cost estimate", "liquidity score", penny stocks, small caps, or thinly traded securities.

#work-life#productivity#financeData, AI & Research

Security & Compliance

Personal Productivity

Science & Simulation