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
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
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
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
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.
Anthropic
Skills
Anthropicxlsx
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…
Corey Haines
Marketingskills
Corey Hainesconversion-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…
nextlevelbuilderui-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…
Corey Haines
Marketingskills
Corey Hainesab-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…
Corey Haines
Marketingskills
Corey Hainesanalytics
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…
K-Dense
Scientific Agent Skills
K-Densedeeptools
NGS analysis toolkit. BAM to bigWig conversion, QC (correlation, PCA, fingerprints), heatmaps/profiles (TSS, peaks), for ChIP-seq, RNA-seq, ATAC-seq visualization.
K-Dense
Scientific Agent Skills
K-Denseexploratory-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…
wshobson
Agents
wshobsonkpi-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…
sickn33
Agentic Awesome Skills
sickn33ab-testing
When the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program.
sickn33
Agentic Awesome Skills
sickn33accounting-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.
Skills
Googleagent-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…
sickn33
Agentic Awesome Skills
sickn33ab-test-setup
Use when designing an A/B or split test: define the hypothesis, control and variants, estimate sample size, verify tracking, and predeclare metrics and stopping rules.
OpenMontaged3-viz
Creating interactive data visualisations using d3.js. This skill should be used when creating custom charts, graphs, network diagrams, geographic visualisations, or any complex SVG-based…
wshobson
Agents
wshobsondata-storytelling
Transform data into compelling narratives using visualization, context, and persuasive structure. Use when presenting analytics to stakeholders, creating data reports, or building executive…
Skills
Googlegoogle-analytics-admin-api-basics
Manages Google Analytics account and property settings, enables the Analytics Admin API via the Cloud CLI, lists accounts and properties, and manages data streams, custom dimensions…
Skills
Googlegoogle-analytics-data-api-basics
Manages Google Analytics reporting data, enables the Analytics Data API via the Cloud CLI, and creates reports using the Google Analytics Data API (v1beta). Use when you need to interact…
Garry Tan
Gstack
Garry Tanhealth
Code quality dashboard. (gstack)
Imbad0202
Academic Research Skills
Imbad0202sr-screener
Protocol-driven study screening for systematic, scoping and rapid reviews. Turns a proposal or PROSPERO protocol into confirmed eligibility rules, then screens titles/abstracts and full…
AgriciDanielseo-dataforseo
Live SEO data via DataForSEO MCP server: SERP analysis, keyword research (volume, difficulty, intent, trends), backlink profiles, on-page analysis, competitor and content analysis, business…
AgriciDanielseo-google
Google SEO APIs: Search Console (Search Analytics, URL Inspection, Sitemaps), PageSpeed Insights v5, CrUX field data with 25-week history, Indexing API v3, and GA4 organic traffic. Provides…
davila7data-scientist
Expert data scientist for advanced analytics, machine learning, and statistical modeling. Handles complex data analysis, predictive modeling, and business intelligence.
OpenAI
Skills
OpenAIjupyter-notebook
Use when the user asks to create, scaffold, or edit Jupyter notebooks (`.ipynb`) for experiments, explorations, or tutorials; prefer the bundled templates and run the helper script…
Egonex-AIunderstand-dashboard
Launch the interactive web dashboard to visualize a codebase's knowledge graph
davila7datadog-cli
Datadog CLI for searching logs, querying metrics, tracing requests, and managing dashboards. Use this when debugging production issues or working with Datadog observability.
phuryncohort-analysis
Perform cohort analysis on user engagement data — retention curves, feature adoption trends, and segment-level insights. Use when analyzing user retention by cohort, studying feature…
Jeffallan
Claude Skills
Jeffallanpandas-pro
Performs pandas DataFrame operations for data analysis, manipulation, and transformation. Use when working with pandas DataFrames, data cleaning, aggregation, merging, or time series…
AgriciDanielseo-matomo
Matomo Reporting API extension. Self-hosted or Matomo Cloud analytics as a GA4 alternative or complement. Organic traffic, landing pages, device / country breakdowns, referrers, search…
phuryndummy-dataset
Generate realistic dummy datasets for testing with customizable columns, constraints, and output formats (CSV, JSON, SQL, Python script). Use when creating test data, building mock…
phurynnorth-star-metric
Define a North Star Metric and 3-5 supporting input metrics that form a metrics constellation. Classify the business game (Attention, Transaction, Productivity) and validate against 7…
Expo
Skills
Expoeas-observe
Use for anything related to EAS Observe - adding `expo-observe` to an Expo project (AppMetricsRoot/ObserveRoot HOC, markInteractive and ObserveInteractiveMarker, the useObserve hook, the…
Cloudflare
Skills
Cloudflarebasin
Build and troubleshoot Cloudflare Basin analytics workflows with Basin Pipelines, Basin Catalog, and Basin SQL. Use for streaming data into R2 Iceberg tables, managing catalogs, or querying…
teng-lin
Notebooklm Py
teng-linnotebooklm
Install, authenticate, troubleshoot, and operate Gemini Notebook through the notebooklm-py CLI or typed async Python API. Use for notebook and source management, grounded chat and research…
scenario-labsscenario-admin-analytics
Use when answering Scenario admin analytics questions about Creative Unit consumption, most-used models, usage by user or project, AI adoption observability, cached usage data, CSV exports…
mukul975
Anthropic Cybersecurity Skills
mukul975analyzing-api-gateway-access-logs
Parses API Gateway access logs (AWS API Gateway, Kong, Nginx) to detect BOLA/IDOR attacks, rate limit bypass, credential scanning, and injection attempts. Uses pandas for statistical…
mukul975
Anthropic Cybersecurity Skills
mukul975analyzing-cloud-storage-access-patterns
Detect abnormal access in AWS S3, GCS, and Azure Blob Storage by analyzing CloudTrail Data Events, GCS audit logs, and Azure Storage Analytics for after-hours bulk downloads, new-IP access…
wondelai
Skills
wondelaiconversion-optimization
Guided journey from a leaking conversion flow - landing page, signup, checkout, or in-app onboarding - to a measured, tested funnel. Orchestrates six skills phase by phase - lean-analytics…
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.
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Data analysis skills for your agent