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.
Anthropic
Skills
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…
Corey Haines
Marketingskills
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…
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…
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…
wshobson
Agents
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…
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…
sickn33
Agentic Awesome Skills
ab-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
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.
Skills
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…
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…
sickn33
Agentic Awesome Skills
ab-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.
d3-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
data-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
google-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
google-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
health
Code quality dashboard. (gstack)
nature-data
Draft or audit manuscript Data/Code Availability statements, dataset access routes, repository plans, and FAIR metadata. Use for 数据可用性声明、数据共享、数据仓库选择 and dataset citations; not general data…
seo-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…
seo-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…
OpenAI
Skills
jupyter-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…

understand-dashboard
Launch the interactive web dashboard to visualize a codebase's knowledge graph

cohort-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…
golang-observability
Golang everyday observability — the always-on signals in production. Covers structured logging with slog, Prometheus metrics, OpenTelemetry distributed tracing, continuous profiling with…

metrics-dashboard
Define and design a product metrics dashboard with key metrics, data sources, visualization types, and alert thresholds. Use when creating a metrics dashboard, defining KPIs, setting up…
seo-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…
NVIDIA
Skills
accelerated-computing-cudf
Official NVIDIA-authored guidance for NVIDIA cuDF GPU DataFrames, pandas acceleration, dask-cuDF, ETL, joins, groupby, CSV/Parquet I/O, nullable semantics, and multi-GPU DataFrame workloads.

azure-kusto
Query and analyze data in Azure Data Explorer (Kusto/ADX) using KQL for log analytics, telemetry, and time series analysis. WHEN: KQL queries, Kusto database queries, Azure Data Explorer…

dummy-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…
breadth-chart-analyst
This skill should be used when analyzing market breadth charts, specifically the S&P 500 Breadth Index (200-Day MA based) and the US Stock Market Uptrend Stock Ratio charts. Use this skill…
edge-signal-aggregator
Aggregate and rank signals from multiple edge-finding skills (edge-candidate-agent, theme-detector, sector-analyst, institutional-flow-tracker) into a prioritized conviction dashboard with…
NVIDIA
Skills
kermt-infer
Run predictions with a finetuned KERMT checkpoint on a SMILES-only CSV. The skill validates that the input ckpt has task FFN heads (refuses pretrain ckpts with a redirect to…
Cloudflare
Skills
basin
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
notebooklm
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-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
analyzing-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
analyzing-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…
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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Data analysis skills for your agent