AI skills for Data & Analytics

brainstorming

Use before creative or constructive work (features, architecture, behavior). Transforms vague ideas into validated designs through disciplined reasoning and collaboration.

concise-planning

Use when a user asks for a plan for a coding task, to generate a clear, actionable, and atomic checklist.

docx-official

A user may ask you to create, edit, or analyze the contents of a .docx file. A .docx file is essentially a ZIP archive containing XML files and other resources that you can read or edit. You have different tools and workflows available for different tasks.

pptx-official

A user may ask you to create, edit, or analyze the contents of a .pptx file. A .pptx file is essentially a ZIP archive containing XML files and other resources that you can read or edit. You have different tools and workflows available for different tasks.

xlsx-official

Unless otherwise stated by the user or existing template

pdf-official

This guide covers essential PDF processing operations using Python libraries and command-line tools. For advanced features, JavaScript libraries, and detailed examples, see reference.md. If you need to fill out a PDF form, read forms.md and follow its instructions.

professional-proofreader

Use when a user asks to "proofread", "review and correct", "fix grammar", "improve readability while keeping my voice", and to proofread a document file and save an updated version.

prompt-engineering

Expert guide on prompt engineering patterns, best practices, and optimization techniques. Use when user wants to improve prompts, learn prompting strategies, or debug agent behavior.

deep-research

Run autonomous research tasks that plan, search, read, and synthesize information into comprehensive reports.

avoid-ai-writing

Audit and rewrite content to remove 21 categories of AI writing patterns with a 43-entry replacement table

analytics-product

Analytics de produto — PostHog, Mixpanel, eventos, funnels, cohorts, retencao, north star metric, OKRs e dashboards de produto.

Data & Analytics: data · tags: analytics, metrics · bundle: aas-data-analytics · matches: analytics, dashboards, data

data-scientist

Expert data scientist for advanced analytics, machine learning, and statistical modeling. Handles complex data analysis, predictive modeling, and business intelligence.

Data & Analytics: data-science · tags: analytics, data · matches: analysis, analytics, data, science

warehouse

Plan and review read-only data warehouse analysis with explicit scope, privacy, provenance, and validation checks.

Data & Analytics: data · tags: analytics, data, sql · matches: analysis, analytics, data

analytics-tracking

Design, audit, and improve analytics tracking systems that produce reliable, decision-ready data.

Data & Analytics: data · tags: analytics, data · bundle: data-analytics · matches: analytics, data

plotly

Interactive visualization library. Use when you need hover info, zoom, pan, or web-embeddable charts. Best for dashboards, exploratory analysis, and presentations. For static publication figures use matplotlib or scientific-visualization.

Data & Analytics: data-science · tags: visualization · matches: analysis, dashboards, data, science

business-analyst

Master modern business analysis with AI-powered analytics, real-time dashboards, and data-driven insights. Build comprehensive KPI frameworks, predictive models, and strategic recommendations.

Data & Analytics: business · tags: analytics, data · bundle: business-analyst · matches: analysis, analytics, dashboards, data

data-quality-frameworks

Implement data quality validation with Great Expectations, dbt tests, and data contracts. Use when building data quality pipelines, implementing validation rules, or establishing data contracts.

Data & Analytics: data-science · tags: data · bundle: data-analytics · matches: data, science

data-storytelling

Transform raw data into compelling narratives that drive decisions and inspire action.

Data & Analytics: data-science · tags: data · bundle: data-analytics · matches: data, science

data-engineering-data-driven-feature

Build features guided by data insights, A/B testing, and continuous measurement using specialized agents for analysis, implementation, and experimentation.

Data & Analytics: data-science · tags: data · matches: analysis, data, science

astropy

Astropy is the core Python package for astronomy, providing essential functionality for astronomical research and data analysis.

Data & Analytics: science · tags: data, python · matches: analysis, data, science

scanpy

Scanpy is a scalable Python toolkit for analyzing single-cell RNA-seq data, built on AnnData. Apply this skill for complete single-cell workflows including quality control, normalization, dimensionality reduction, clustering, marker gene identification, visualization, and trajectory analysis.

Data & Analytics: science · tags: data, python · matches: analysis, data, science

polars

Fast in-memory DataFrame library for datasets that fit in RAM. Use when pandas is too slow but data still fits in memory. Lazy evaluation, parallel execution, Apache Arrow backend. Best for 1-100GB datasets, ETL pipelines, faster pandas replacement. For larger-than-RAM data use dask or vaex.

Data & Analytics: data-science · tags: data, pandas · matches: data, science

segment-cdp

Expert patterns for Segment Customer Data Platform including Analytics.js, server-side tracking, tracking plans with Protocols, identity resolution, destinations configuration, and data governance best practices.

Data & Analytics: data · tags: analytics, data · matches: analytics, data

seaborn

Seaborn is a Python visualization library for creating publication-quality statistical graphics. Use this skill for dataset-oriented plotting, multivariate analysis, automatic statistical estimation, and complex multi-panel figures with minimal code.

Data & Analytics: science · tags: visualization, python · matches: analysis, science

dbt-transformation-patterns

Production-ready patterns for dbt (data build tool) including model organization, testing strategies, documentation, and incremental processing.

Data & Analytics: data · tags: data · bundle: data-engineering · matches: data

sql-pro

Master modern SQL with cloud-native databases, OLTP/OLAP optimization, and advanced query techniques. Expert in performance tuning, data modeling, and hybrid analytical systems.

Data & Analytics: data · tags: sql · bundle: data-analytics · matches: data

kpi-dashboard-design

Comprehensive patterns for designing effective Key Performance Indicator (KPI) dashboards that drive business decisions.

Data & Analytics: business · tags: dashboard, kpi · bundle: business-analyst · matches: dashboards

arrowspace

Spectral vector search using graph Laplacian eigenstructure. Use when cosine/L2 similarity misses latent structure in your embeddings.

Data & Analytics: data · matches: analysis, data

matplotlib

Matplotlib is Python's foundational visualization library for creating static, animated, and interactive plots.

Data & Analytics: science · tags: visualization, python · matches: science

alpha-vantage

Access 20+ years of global financial data: equities, options, forex, crypto, commodities, economic indicators, and 50+ technical indicators.

Data & Analytics: data · tags: data · matches: data

monte-carlo-prevent

Surfaces Monte Carlo data observability context (table health, alerts, lineage, blast radius) before SQL/dbt edits.

Data & Analytics: data · tags: data · matches: data

monte-carlo-validation-notebook

Generates SQL validation notebooks for dbt PR changes with before/after comparison queries.

Data & Analytics: data · tags: sql · matches: data

postgres-readonly-queries

Execute safe read-only SQL queries against PostgreSQL databases with multi-connection support and defense-in-depth write protection.

Data & Analytics: data · tags: sql · matches: data

sql-sentinel

Audit SQL for the cost & performance anti-patterns that burn warehouse credits. Scores warehouse health 0-100 and outputs a prioritized cost-reduction plan for BigQuery, Snowflake, Redshift, and Postgres.

Data & Analytics: data · tags: sql · matches: data

biopython

Biopython is a comprehensive set of freely available Python tools for biological computation. It provides functionality for sequence manipulation, file I/O, database access, structural bioinformatics, phylogenetics, and many other bioinformatics tasks.

Data & Analytics: science · tags: python · matches: science

networkx

NetworkX is a Python package for creating, manipulating, and analyzing complex networks and graphs.

Data & Analytics: science · tags: python · matches: science

statsmodels

Statsmodels is Python's premier library for statistical modeling, providing tools for estimation, inference, and diagnostics across a wide range of statistical methods.

Data & Analytics: science · tags: python · matches: science

sympy

SymPy is a Python library for symbolic mathematics that enables exact computation using mathematical symbols rather than numerical approximations.

Data & Analytics: science · tags: python · matches: science

embedding-strategies

Guide to selecting and optimizing embedding models for vector search applications.

Data & Analytics: data-ai · bundle: aas-data-engineering-platform · matches: data

rag-engineer

Expert in building Retrieval-Augmented Generation systems. Masters embedding models, vector databases, chunking strategies, and retrieval optimization for LLM applications.

Data & Analytics: data-ai · bundle: aas-data-engineering-platform · matches: data