Best Claude skills for data analysis
Data skills help your agent clean messy files, write SQL, build charts and explain what the numbers mean. The strongest ones force the agent to compute with code rather than estimate in prose, which is where most AI analysis goes wrong.
91 data analysis skills · ranked live · November 2026
The top 10. Ranked by the Alyn Score.
- 1#1
Anthropic
Skills
Anthropic
Xlsx
Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .xltx, .csv, or…
192k3.8MScore 91 - 2#2
Corey Haines
Marketingskills
Corey Haines
Conversion Tracking
When the user wants to set up, audit, or fix conversion tracking to Google Ads, Meta, GA4, LinkedIn, and TikTok, or asks why conversions are missing or doubled: GTM, pixels, CAPI, Enhanced…
60k6.3MScore 90 - 3#3

nextlevelbuilder
UI UX Pro Max
UI/UX design intelligence for web, mobile, and desktop. This skill should be used when designing, building, reviewing, or fixing interfaces, including pages, components, design systems…
148k932kScore 89 - 4#4
Corey Haines
Marketingskills
Corey Haines
Ab Testing
When the user wants to plan, run, or read A/B tests, or asks a judgement call on one: is the result real, can we stop, which version won, is this worth testing at all: sample size…
60k6.3MScore 88 - 5#5
Corey Haines
Marketingskills
Corey Haines
Analytics
When the user wants to set up or audit analytics, or asks whether a metric or number is calculated right, what to track, or how to name events: tracking plans, GA4, GTM, Mixpanel, PostHog…
60k6.3MScore 88 - 6#6
K-Dense
Scientific Agent Skills
K-Dense
Deeptools
NGS analysis toolkit. BAM to bigWig conversion, QC (correlation, PCA, fingerprints), heatmaps/profiles (TSS, peaks), for ChIP-seq, RNA-seq, ATAC-seq visualization.
57k328kScore 84 - 7#7
K-Dense
Scientific Agent Skills
K-Dense
Exploratory Data Analysis
Performs bounded, local exploratory analysis of explicitly supported scientific files. Supports redacted CSV/TSV/JSON profiles; optional NumPy, HDF5, FASTA/FASTQ, and basic image metadata…
57k328kScore 84 - 8#8
wshobson
Agents
wshobson
Kpi Dashboard Design
Design effective KPI dashboards with metrics selection, visualization best practices, and real-time monitoring patterns. Use this skill when building an executive SaaS metrics dashboard…
42k2.6MScore 84 - 9#9
sickn33
Agentic Awesome Skills
sickn33
Ab Testing
When the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program.
49k584kScore 83 - 10#10
sickn33
Agentic Awesome Skills
sickn33
Accounting Software Selection
Scores shortlisted accounting packages against 57 evidence-backed fields, emitted as CSV, SQL, JSON Schema or Notion on request. Use for choosing accounting software.
49k584kScore 83
What makes a great data analysis skill.
Code-first analysis: pandas, SQL or spreadsheets, never mental math.
Checks for data quality before conclusions.
Chart guidance so outputs are readable, not decorative.
All 91 data analysis skills.
wondelai
Skills
grow-app
Guided journey from an app people sign up for and then quietly abandon to a sealed retention engine with a habit loop, an activated first run, and one metric the whole team trusts…
wondelai
Skills
grow-business
Guided journey from a business with lucky months to a repeatable growth engine that produces a forecast. Orchestrates nine skills phase by phase - one-page-marketing, hun…
Hugging Face
Skills
huggingface-trackio
Track and visualize ML training experiments with Trackio. Use when logging metrics during training (Python API), firing alerts for training diagnostics, or retrieving/analyzing logged…
blog-chart
Internal capability, not user-invocable: the orchestrator calls it while running blog-write or blog-rewrite to turn research data into dark-mode compatible inline SVG charts (horizontal…
deanpeters
Product Manager Skills
finance-metrics-quickref
Look up SaaS finance metrics, formulas, and benchmarks fast. Use when you need a quick metric definition, formula, or benchmark during analysis.
Stripe
AI
connect-recommend
Use this skill when the user asks about Stripe Connect configuration, charge patterns, Dashboard access, or how to get started with Connect, is building a marketplace, platform…
Google Labs
Stitch Skills
react-vite-dashboard
Convert Stitch designs into production React + Vite dashboards with TanStack Query, accessible tokens from DESIGN.md, and Web3-ready patterns (ethers/viem).

data-dashboard
Build a dense, data-heavy screen - an analytics console or a trading terminal - with real charts drawn from tokens: candlestick, volume, depth, stacked area, waterfall, scatter, correlation…
GarethManning
Education Agent Skills
kud-chart-author
Authors or reviews Know/Understand/Do charts for competency-based learning targets across developmental bands. Handles seven input types from raw curriculum documents to existing LT sets…
GarethManning
Education Agent Skills
learning-analytics-interpretation-guide
Interpret learning analytics data and translate dashboard findings into actionable teaching decisions. Use when reviewing LMS data, quiz patterns, or engagement metrics.
kostja94
Marketing Skills
ai-traffic-tracking
Compatibility pointer for AI assistant referrals and generative search visibility; maintained in Open Analytics.
kostja94
Marketing Skills
analytics-tracking
Compatibility pointer for GA4 event, key-event and User-ID tracking; maintained in Open Analytics.
kostja94
Marketing Skills
google-search-console
Compatibility pointer for Search Console performance and indexing analysis; maintained in Open Analytics.

defillama-api
Free DeFi analytics across all chains — TVL, token prices, DEX volumes, fees/revenue, stablecoins, and bridges

pandas-ta
Technical analysis with 130+ indicators using pandas-ta for crypto market data

portfolio-analytics
Portfolio-level performance measurement including return metrics, risk metrics, risk-adjusted ratios, rolling analysis, and HTML reports
aipoch
Medical Research Skills
decision-curve-analysis
Use when evaluating the clinical utility of a binary prediction model from a single clinical CSV file by fitting a logistic decision-curve model, plotting decision and clinical-impact…
nowork-studio
Notfair Plugin
google-analytics
Analyze connected Google Analytics 4 traffic, acquisition, engagement, landing pages, ecommerce, events, and conversions, and safely manage supported GA4 key events or custom dimensions…
lawve-ai
Awesome Legal Skills
agent-authority-charter-builder-arkadiy-miteiko
Creates an Agent Authority Charter for enterprise or regulated AI agents before deployment. Use this Skill when a user needs to define what an AI agent is allowed to do, who delegated…
lawve-ai
Awesome Legal Skills
collaboration-platform-advisor-scott-margetts
Collaboration platform configuration methodology for legal matter sites. Site architecture, workflow identification, dashboard design, data quality governance, and user adoption for…
aipoch
Medical Research Skills
batch-effect-correction
Use when correcting batch effects in merged bulk expression matrices with sample-level batch metadata while preserving biological group structure and generating before-and-after QC plots…
aipoch
Medical Research Skills
cerna-analysis
Use when building a ceRNA regulatory network from a key gene list by combining bundled miRNA-mRNA and miRNA-lncRNA database files, with flat-file CSV exports and PDF visualization in a…

ebay-seller-tools
Essential tools and software for eBay sellers. Listing tools, repricing, analytics, inventory management, shipping, and research tools to scale your eBay business.

ecommerce-ab-testing
Master A/B testing for e-commerce across all platforms. Test product pages, pricing, ads, emails, and checkout flows with statistical rigor to maximize conversion and revenue.
Affitor
Affiliate Skills
conversion-tracker
Set up affiliate conversion tracking with UTM parameters and link tagging. Triggers on: "set up tracking", "create UTM links", "track my affiliate links", "tracking pixels", "click…
Affitor
Affiliate Skills
performance-report
Generate affiliate performance reports with KPIs and recommendations. Triggers on: "show my affiliate report", "how are my programs doing", "performance review", "earnings report", "monthly…

ab-test-analyzer
Statistical significance calculator for A/B test results with sample size requirements, segment breakdowns, and hypothesis generation. Use when feeding test results, checking statistical…
Affitor
Affiliate Skills
ab-test-generator
Generate A/B test variants for affiliate content. Triggers on: "create A/B test", "test my headline", "optimize my CTA", "generate variants", "split test ideas", "improve click-through…
google-analytics
Analyze Google Analytics data, review website performance metrics, identify traffic patterns, and suggest data-driven improvements. Use when the user asks about analytics, website metrics…
Cold-IQ
ColdIQ S GTM Skills
email-metrics-benchmarks
Email metrics to track, 2X levers, and structure checklist for cold outreach. Use when analyzing campaign performance, setting benchmarks, or optimizing email metrics.
explorium-ai
GTM Skills
lead-gen-tool-builder
Lead generation tool builder skill for Claude Code and Codex: scaffolds a complete, self-hostable, ZoomInfo-style B2B lead-generation web app — company & contact search UI, firmographic and…

ab-test-setup-and-analysis
Designs statistically valid split tests for ads, audiences, landing pages, or bid strategies. Calculates required sample sizes before you start, monitors results during the test, and calls…
omd-taste
시스템이 학습한 사용자의 디자인 취향을 한 뷰로 렌더. .omd/preferences.md + foldin-proposal.json + DESIGN.md를 읽어 반영됨/대기 중/보류됨/모르는 것 4그룹으로 보여준다. '/omd-taste', '내 취향 보여줘', '취향 현황', 'what are my preferences', 'show…
explorium-ai
GTM Skills
clean-data
Data cleaning, entity matching, and deduplication skill for Claude Code and Codex: triage, standardize, and validate a CSV, Excel, or JSON list of B2B companies or contacts before…
Corey Haines
Marketingskills
attribution
When the user wants to work out which marketing drives revenue, or asks whether a channel is really working, which numbers to trust, or how to credit podcasts and dark social: attribution…
Corey Haines
Marketingskills
cro
When the user wants more conversions from a page or form, or asks why a page isn't converting, what to change first, or whether to add or remove a field or element: landing and pricing…
Data analysis skills, explained.
Also searched as: data analysis skill, excel skill claude, sql skill, analytics agent skills.
What are the best Claude skills for data analysis?
Right now the top-ranked data analysis skills on Alyn are Xlsx (Anthropic), Conversion Tracking (Corey Haines), UI UX Pro Max (nextlevelbuilder). Rankings combine GitHub stars, installs, freshness and depth, and update live.
Is there a Claude skill for Excel?
Yes. Anthropic's xlsx skill creates and edits spreadsheets with formulas, and several community skills cover cleaning and analysis.
Do data skills send my data anywhere?
Skills are instructions and local scripts. Where your data goes depends on the agent you run them in.
How do I install a data analysis skill?
Run npx skills add owner/repo in your project, or copy the folder with SKILL.md into ~/.claude/skills. Every skill on this page has a ready-to-copy command.
More in Science & data
Data analysis skills for your agent