Browse Skills

1306+ expert skills across 6 domains. Scored on 6 quality dimensions.

Strategic Code Reasoning

Platinum
92.0AI & Machine Learning

A meta-skill that makes AI coding assistants think strategically before acting. Implements a 5-factor risk heuristic (Reversibility, Blast Radius, Coupling, Stakes, Uncertainty) to determine whether a code change needs shallow execution, medium analysis, or deep pre-mortem reasoning. Based on cognitive science, game theory, and software engineering economics research.

reasoningstrategyplanning

XGBoost Mastery Expert

Platinum
91.7AI & Machine Learning

Master XGBoost for tabular data problems including hyperparameter optimization, feature engineering, SHAP-based interpretability, and production deployment with drift monitoring.

xgboostgradient-boostingmachine-learning

Responsible AI Use

Platinum
91.4Society & Safety

A generalist skill that helps users interact with AI safely across all sensitive domains. Covers health, finance, legal, mental health, nutrition, parenting, relationships, and general AI literacy. Teaches critical evaluation of AI outputs, recognizes when professional help is needed, and prevents over-reliance on AI for consequential decisions.

ai safetyresponsible aiai literacy

LLM Prompting

Platinum
91.3AI & Machine Learning

Comprehensive prompt engineering guidance covering techniques (chain-of-thought, few-shot, system prompts), evaluation, guardrails, structured output, and building reliable AI interactions.

promptingLLMchain-of-thought

Claude Code

Platinum
91.0AI & Machine Learning

Comprehensive guide to Claude Code CLI covering skills, MCP servers, hooks, slash commands, project setup, CLAUDE.md configuration, and workflows for maximizing AI-assisted development.

Claude CodeCLIskills

Digital Safety for Teens

Platinum
90.8Society & Safety

Helps parents, educators, and teens themselves understand the specific risks of AI chatbot companions for adolescents, recognize warning signs of problematic AI relationships, and implement age-appropriate safety measures.

teen ai safetyai companion risksyouth digital safety

Human Voice Writer

Platinum
90.6AI & Machine Learning

Systematically removes LLM fingerprints from text using evidence-based linguistic research. Replaces machine patterns (vocabulary, structure, tone) with human writing characteristics while preserving meaning and quality.

ai-texthumanizewriting

Mental Health AI Safety Guide

Platinum
90.5Society & Safety

Helps users understand the narrow safe zone for AI in mental health contexts, recognize dangerous interaction patterns, identify parasocial relationship risks, and know when AI support crosses into territory that requires a human professional.

mental health aiai companion safetyparasocial relationships

RAG Architecture Designer

Platinum
90.1AI & Machine Learning

Designs production-grade Retrieval-Augmented Generation pipelines including chunking strategies, embedding model selection, vector database architecture, hybrid search, reranking, and hallucination reduction techniques.

ragretrieval-augmented-generationvector-database

Structured Output Designer

Platinum
90.0AI & Machine Learning

Design reliable structured data extraction and generation systems powered by LLMs, with JSON Schema design, provider-specific configuration, validation pipelines, and production error handling.

structured-outputjson-schemallm-integration

Hyperparameter Tuning Expert

Platinum
90.0AI & Machine Learning

Systematic optimization of machine learning model hyperparameters using Bayesian optimization, multi-fidelity methods, and distributed search strategies to find optimal configurations efficiently.

hyperparameter-tuningbayesian-optimizationoptuna

AI Model Routing Strategist

Platinum
90.0AI & Machine Learning

Design intelligent model routing systems that optimize cost, latency, and quality across multiple LLM providers. Covers cascading strategies, confidence-based escalation, prompt caching economics, and fallback architectures.

model-routingllm-cost-optimizationmulti-model

Competitive Intelligence Copilot

Platinum
89.9AI & Machine Learning

Builds structured competitive intelligence analyses including competitor profiling, feature parity matrices, win/loss patterns, pricing intelligence, and sales battlecards using proven CI frameworks and market research methodologies.

competitive-intelligencecompetitor-analysisbattlecards

Reinforcement Learning Designer

Platinum
89.9AI & Machine Learning

Guides the design of reinforcement learning systems including policy selection (PPO, SAC, DQN), environment design, reward shaping, exploration strategies, multi-agent configurations, and sim-to-real transfer for robotics and game AI.

reinforcement-learningpposac

Feature Store Consistency Engineer

Platinum
89.9AI & Machine Learning

Ensure offline/online feature consistency in ML systems by designing validation pipelines, detecting training-serving skew, and implementing point-in-time correctness guarantees across feature store architectures.

feature-storetraining-serving-skewml-infrastructure

Tool-Using Agent Designer

Platinum
89.9AI & Machine Learning

Design safe, effective tool-using AI agents with proper tool schemas, agent loop architecture, safety gates, and evaluation strategies for production LLM applications.

ai-agentstool-usefunction-calling

Prompt Chain Architect

Platinum
89.8AI & Machine Learning

Expert architect for designing multi-step prompt chains and orchestration patterns — from task decomposition and chain-of-thought sequencing to intermediate verification gates, context window management, error recovery strategies, and production-grade prompt pipeline design for complex LLM workflows.

prompt-chainingllm-orchestrationchain-of-thought

SQL Window Functions Expert

Platinum
89.8Data & Analytics

Master SQL window functions for advanced analytical queries including ranking, running aggregates, time-series analysis, and cohort calculations across PostgreSQL, Snowflake, and BigQuery.

sqlwindow-functionsanalytical-queries

Building with LLMs

Platinum
89.8AI & Machine Learning

Comprehensive guide to integrating LLMs into applications covering API usage, RAG, agents, evaluation, cost optimization, streaming, and production deployment patterns.

LLMAPIRAG

System Prompt Architect

Platinum
89.8AI & Machine Learning

Design, structure, and optimize production-grade system prompts for large language models using proven architectural patterns, research-backed techniques, and adversarial testing methodologies.

system-promptprompt-engineeringllm

Reverse ETL Architect

Platinum
89.8Data & Analytics

Design data activation pipelines that sync analytical data from cloud data warehouses back into operational SaaS tools like CRMs, marketing platforms, and support systems.

reverse-etldata-activationwarehouse-sync

PyTorch Lightning Engineer

Platinum
89.8AI & Machine Learning

Design and implement structured deep learning training workflows using PyTorch Lightning, covering LightningModule architecture, distributed training strategies, experiment tracking, checkpoint management, and production model deployment.

pytorch-lightningdeep-learningdistributed-training

Graph Database Architect

Platinum
89.7Data & Analytics

Design and optimize graph database schemas, Cypher queries, and production deployments for knowledge graphs, recommendation engines, fraud detection, and network analysis applications.

graph-databaseneo4jcypher

Data Pipeline Architect

Platinum
89.7Data & Analytics

Designs robust data pipelines covering ETL/ELT patterns, orchestration (Airflow/Dagster/Prefect), data quality validation, lineage tracking, idempotency, streaming vs batch architecture, and data lakehouse design for production workloads.

data-pipelineetlelt
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