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.
209 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…
Pack192k3.8MScore 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…
Pack60k6.3MScore 90 - 3#3
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…
Pack60k6.3MScore 88 - 4#4
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…
Pack60k6.3MScore 88 - 5#5
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…
Pack42k2.6MScore 84 - 6#6
Yuan1z0825
Nature Figure
Create, revise, audit, and export manuscript scientific figures in Python or R. Use for 论文配图、科研绘图、多面板图 and submission-ready plots, or explicitly requested AI-generated graphical abstracts…
Pack53k301kScore 84 - 7#7
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.
Pack49k584kScore 83 - 8#8
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.
Pack49k584kScore 83 - 9#9
Google
Skills
Google
Agent Platform Alert Configuration
Configures best-practice alerting policies for AI agents using OpenTelemetry (OTel) metrics, generating output as Terraform (.tf) configuration files. Use when analyzing, writing, or…
Pack24k1.1MScore 83 - 10#10
Yuan1z0825
Nature Statistics
Audit or improve manuscript statistical reporting, including experimental units, replication, uncertainty, tests, and figure statistics. Use for 统计审查、统计方法小节、图注统计 and reviewer concerns…
Pack53k301kScore 82
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 209 data analysis skills.
OneWave-AI
Claude Skills
client-health-dashboard
Generates a comprehensive client health overview across all accounts. Reads CRM data, support tickets, usage metrics, billing, and engagement logs. Calculates health scores, trend…
rshankras
Claude Code Apple Skills
growth
Growth skills for indie Apple developers — user acquisition, analytics interpretation, press/media outreach, community building, and indie business operations. Also covers the…

labor-productivity-analytics
Analyze construction labor productivity using data analytics. Track worker performance, identify inefficiencies, predict resource needs, and optimize crew allocation for maximum efficiency.

portfolio-dashboard
Multi-project portfolio analytics dashboard. Aggregate KPIs across projects, track portfolio health, compare performance, and support executive decision-making.
Jakeschincariol
Trader Skill
trader-alerts
Price Alerts. Rings when a price target, a stop or the opening bell hits: above / below / stop rules, percent moves from the previous close, and the NYSE opening bell, each ringing once so…
LeoYeAI
Agent Master Skills
ab-test-architect
Plan, prioritize, and design rigorous A/B tests using the Test Velocity Method. Use when a user wants to test a landing page, CTA, email, signup flow, pricing page, or any digital…
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…
onvoyage-ai
GTM Engineer Skills
create-geo-charts
Creates data visualizations (charts, graphs, tables) optimized for AI engine parsing and citation. Produces inline SVG/HTML with text summaries, data tables, and JSON-LD so AI engines can…

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.
zLanqing
Codex Claude Academic Skills
exploratory-data-analysis
Perform comprehensive exploratory data analysis on scientific data files across 200+ file formats. This skill should be used when analyzing any scientific data file to understand its…
sanjay3290
AI Skills
google-sheets
Read and write Google Sheets spreadsheets - get content, update cells, append rows, fetch specific ranges, search for spreadsheets, and view metadata. Use when user asks to: read a…

matplotlib-scientific-plotting
Low-level Python plotting for scientific figures: publication-quality line, scatter, bar, heatmap, contour, 3D; multi-panel layouts; fine control of every element. PNG/PDF/SVG export. Use…
sanjay3290
AI Skills
mssql
Execute read-only SQL queries against multiple Microsoft SQL Server databases. Use when: (1) querying MSSQL/SQL Server databases, (2) exploring database schemas/tables, (3) running SELECT…
sanjay3290
AI Skills
mysql
Execute read-only SQL queries against multiple MySQL databases. Use when: (1) querying MySQL databases, (2) exploring database schemas/tables, (3) running SELECT queries for data analysis…
zLanqing
Codex Claude Academic Skills
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…
zLanqing
Codex Claude Academic Skills
timesfm-forecasting
Zero-shot time series forecasting with Google's TimesFM foundation model. Use for any univariate time series (sales, sensors, energy, vitals, weather) without training a custom model…
Jakeschincariol
Trader Skill
trader-screener
The Stock Screener. Checks a list of companies against the user's own rules (revenue growth, margins, EPS, P/E, earnings yield, sector, anything in the metrics file), says exactly which…
charlie947
Motion Graphics Skills
animated-chart
Make a looping animated chart for LinkedIn or a newsletter in code with Claude Code. Bars that become a line, a number that counts up, a before and after. Every value stays exactly as…

bio-alignment-msa-statistics
Calculate alignment statistics including sequence identity, conservation scores, substitution matrices, and similarity metrics. Use when comparing alignment quality, measuring sequence…

bio-bam-statistics
Generate alignment statistics using samtools flagstat, stats, depth, coverage, and mosdepth. Use when assessing alignment quality, calculating coverage, or generating QC reports.
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…
XiaoMaColtAI
Math Modeling Skill
Excel工具
读取、创建、修改和验证 XLSX,支持模板保留、公式重算和错误检查。
Jakeschincariol
Linkedin Agent Skill
li-audit
Post-mortem on what the user has already published - which posts actually worked, why, and what to stop doing. Use when the user pastes their LinkedIn analytics or past posts and asks…
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…

data-transformer
Triggered when the user needs to convert data formats, such as CSV to JSON, JSON to YAML, or XML to JSON. Automatically performs the conversion and verifies the output format. Trigger…
benchflow-ai
Skillsbench
gh-cli
The gh CLI is GitHub's official command line tool for interacting with GitHub repositories, issues, pull requests, and more. When needs to interact with GitHub repositories, issues, pull…

gongwen-data
为公文整理数据、出图表,包括报表体检(空值、合并单元格、合计校验、单位和时段口径冲突),汇总下级报表,计算同比、环比、增速、百分点、占比、拉动、完成率、平均值并附算式,把数据写成能直接进公文的句子,在本机生成黑白灰 Excel 图表,数据不出本机,缺的数标【待补】。用户说合并科室月报、汇总下面报的表、查查合计对不对、算同比环比、百分点怎么…

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…

csv-to-sif
Export a project's FF&E product-library CSV as dealer-system SIF. Use to produce a .sif schedule; use sif-to-csv for the reverse direction.
yushui2022
MathModel Skill
data-cleaning-and-visualization
清洗原始数据并生成论文级图表,处理缺失值、异常值、单位与格式不一致,产出加载报告、数据计划、图表索引、可复现的图文件与图注。当用户提供 csv 或 xlsx 原始附件需要清洗、需要为某一问画图或补图注、或数据与可视化计划待执行时使用。
benchflow-ai
Skillsbench
xlsx-parsing
Read Microsoft Excel (.xlsx) files robustly with `openpyxl` (or `pandas`). Covers multi-sheet workbooks, header rows, empty cells, merged cells, comma-separated list cells, and converting a…
oaustegard
Claude Skills
charting
Select the right Python charting library (seaborn, matplotlib, graphviz) and produce publication-quality static visualizations. Use when creating charts, plots, graphs, diagrams, heatmaps…
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.

ib-create-consolidated-report
Consolidate IBRK trade CSV files from a directory into a summary report. Groups trades by symbol, underlying, date, strike, buy/sell, and open/close. Outputs both markdown and CSV.
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), Ab Testing (Corey Haines). 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