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
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
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
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
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.
Microsoft
Skills For Fabric
Microsoftsqldw-cli
Manage Fabric Warehouse, Lakehouse SQL endpoints, and Mirrored Databases: DDL/DML, COPY INTO, read-only T-SQL, Query Insights diagnostics, and Capacity Metrics CU-spike correlation. Synapse…
Microsoft
Skills For Fabric
Microsofte2e-medallion-architecture
Plans and builds end-to-end Fabric data platforms on the Bronze, Silver, and Gold medallion pattern: ingestion to analytics, PySpark and Delta layers, pipeline orchestration, per-layer…
OpenClaudia
Openclaudia Skills
OpenClaudiaglasser-research
Use Glasser to retrieve live marketing data through one prepaid account when a task needs SERPs, keyword metrics, ad libraries, community posts, company data, or another external API and no…
kostja94
Marketing Skills
kostja94traffic-analysis
Compatibility pointer for source, UTM and direct-traffic analysis; maintained in Open Analytics.
databricks
Databricks Agent Skills
databricksdatabricks-dbsql
Databricks SQL (DBSQL) advanced features and SQL warehouse capabilities. This skill MUST be invoked when the user mentions: "DBSQL", "Databricks SQL", "SQL warehouse", "SQL scripting"…
databricks
Databricks Agent Skills
databricksdatabricks-execution-compute
Execute code and manage compute on Databricks: run Python/Scala/SQL/R via serverless, classic, or interactive clusters, and create/resize/delete clusters and SQL warehouses.
databricks
Databricks Agent Skills
databricksdatabricks-metric-views
Unity Catalog metric views: define, create, query, and manage governed business metrics in YAML. Use when building standardized KPIs, revenue metrics, order analytics, or any reusable…
Aperivue
Medsci Skills
Aperivuefind-cohort-gap
Use when looking for research topics a longitudinal cohort database can answer (NHIS, UK Biobank, an institutional EMR or registry). Profiles the cohort, matches PI expertise, scans…
OpenClaudia
Openclaudia Skills
OpenClaudiagithub-stars
Show a GitHub repo's star growth as CLI charts — by day and by hour, in any timezone. Use when the user asks to "check GitHub stars", "stars by hour/day for ", "star growth", "how many…
petrkindlmannqa-metrics
Define, track, and act on QA metrics: test coverage percentage, flakiness rate, defect escape rate, MTTR, test execution time trends, automation ROI, quality gates, and SLAs for test…
Aperivue
Medsci Skills
Aperivuegenerate-codebook
Use when a tabular dataset (CSV, Excel, Parquet, Stata, SAS) needs a data dictionary. Profiles every variable (type, levels, range, missingness) into codebook.md and codebook.json and flags…
jaechang-hitsmultipanel
Assemble multiple plots into ONE publication-ready multi-panel journal figure (e.g. Figure 1 with panels A, B, C). Use whenever the user asks to combine, compose, or lay out several plots…
sanjay3290
AI Skills
sanjay3290notebooklm
Query and manage Google NotebookLM notebooks with persistent profile auth, source sync, batch/multi queries, and structured exports. Use when user asks to query NotebookLM, 'ask my…
jaechang-hitsomics-plotting
omics-plotting: publication-style figure authoring for omics / bioinformatics results with matplotlib / seaborn. Read this before writing any plotting or figure code in any omics analysis —…
jaechang-hitsplotly-interactive-plots
Interactive scientific visualization with Plotly. Two APIs: plotly.express (px) for one-liner DataFrame plots, plotly.graph_objects (go) for trace-level control. 40+ chart types with hover…
jaechang-hitsplotly-interactive-visualization
Interactive visualization with Plotly. 40+ chart types (scatter, line, heatmap, 3D, geographic) with hover, zoom, pan. Two APIs: Plotly Express (DataFrame) and Graph Objects (fine control)…
sanjay3290
AI Skills
sanjay3290postgres
Execute read-only SQL queries against multiple PostgreSQL databases. Use when: (1) querying PostgreSQL databases, (2) exploring database schemas/tables, (3) running SELECT queries for data…
jaechang-hitsscientific-visualization
Guide for choosing and creating scientific visualizations for publications and talks. Covers chart-type selection by data structure, color theory for accessibility/print, figure…
jaechang-hitsseaborn-statistical-plots
Statistical visualization on matplotlib with native pandas support. Auto aggregation, CIs, grouping for distributions (histplot, kdeplot), categorical (boxplot, violinplot), relational…
jaechang-hitsseaborn-statistical-visualization
Statistical visualization on matplotlib + pandas. Distributions (histplot, kdeplot, violin, box), relational (scatter, line), categorical, regression, correlation heatmaps. Auto…
jaechang-hitsstatistical-significance-annotation
Guide for annotating statistical significance (p-value asterisks) on comparison plots. Covers standard notation (ns, *, **, ***, ****), matplotlib bracket+asterisk implementation, and use…
jaechang-hitsstatsmodels-statistical-modeling
Python statistical modeling: regression (OLS, WLS, GLM), discrete (Logit, Poisson, NegBin), time series (ARIMA, SARIMAX, VAR), with rigorous inference, diagnostics, and hypothesis tests…
Aperivue
Medsci Skills
Aperivuebatch-cohort
Use when one validated cohort analysis must be repeated across many exposure/outcome pairs. Generates one R/Python script per combination from a single methodology template, changing only…
zLanqing
Codex Claude Academic Skills
zLanqingmatlab
MATLAB and GNU Octave numerical computing for matrix operations, data analysis, visualization, and scientific computing. Use when writing MATLAB/Octave scripts for linear algebra, signal…
zLanqing
Codex Claude Academic Skills
zLanqingscientific-toolkit-skill
Research computing toolkit for optoelectronic information science and engineering, MATLAB/Octave, Python scientific analysis, signal processing, image processing, statistics, simulation…
zLanqing
Codex Claude Academic Skills
zLanqingseaborn
Statistical visualization with pandas integration. Use for quick exploration of distributions, relationships, and categorical comparisons with attractive defaults. Best for box plots…
zLanqing
Codex Claude Academic Skills
zLanqingstatsmodels
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…
zLanqing
Codex Claude Academic Skills
zLanqingxlsx
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, .csv, or .tsv file…
Affitor
Affiliate Skills
Affitorinternal-linking-optimizer
Analyze site's internal link structure and optimize for hub-and-spoke SEO architecture. Triggers on: "optimize internal links", "internal linking", "link structure", "hub and spoke links"…
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.
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