Agent skills

Data & Analytics skills

Read straight from the source repositories, not from submitted listings. Every skill shows what it does, what is inside, where it came from — and whether attention around its source is actually growing.

Toolclaude-code 29,140codex 4,755cursor 3,111copilot 976windsurf 55cline 34
CategoryWorkflow & Productivity 4,979AI & Agents 3,037Data & Analytics 2,345Code Review & Quality 1,376Backend & API 1,244Security 1,194Design & Presentation 1,154Documentation 965Content & Marketing 916Testing & QA 777DevOps & Cloud 576Databases 550Frontend 469Business & Finance 328Media & Video 257Other 9,833
4,693 found
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browser-act-skill-forgeForges reusable Skill packages (SKILL.md + scripts) from website exploration via browser-act — no re-exploration later. Use when…browser-actcellxgene-censusQuery the CZ CELLxGENE Census programmatically for versioned public single-cell and spatial transcriptomics data. Use when you…K-Dense-AIwritescinematographerDesign the MANDATORY cinematic scroll experience (every blog ships one): a full-bleed, scroll-driven background — primarily from…QinghongLinwritesclickhouse-reference-architectureProduction reference architecture for ClickHouse-backed applications — project layout, data flow, multi-tenant patterns, and…jeremylongshorecloud-clawUse this umbrella skill when the request spans multiple Cloud Claw user-facing domains, especially launching a new AltClaw or…internet-courtbio-gene-regulatory-networks-coexpression-networksBuild weighted gene co-expression networks to identify modules of co-regulated genes and relate them to phenotypes using WGCNA…BioTender-maxbio-data-visualization-color-palettesSelect colormaps and qualitative palettes for scientific figures using perceptual-uniformity, color-vision-deficiency safety, and…BioTender-maxbio-ecological-genomics-conservation-geneticsAssesses genetic health of populations for conservation using effective population size estimation (GONE2 for recent Ne…BioTender-maxconversion-trackerSet up affiliate conversion tracking with UTM parameters and link tagging. Triggers on: "set up tracking", "create UTM links"…Affitorcore-dataBuild, review, or improve Core Data persistence in apps that have not adopted SwiftData. Use when working with NSManagedObject…dpearson2699ctf-ai-mlProvides AI and machine learning techniques for CTF challenges. Use when attacking ML models, crafting adversarial examples…ljagiellowritesctf-osintProvides open source intelligence techniques for CTF challenges. Use when gathering information from public sources, social…ljagiellowritesdata-analysis-standardStructure a product data analysis, metric deep-dive, funnel analysis, or cohort study. Use when asked to analyse product metrics…mohitagw15856data-cleanProduce documented data cleaning scripts that log every transformation with N before/after each step, generate a CONSORT-style…brycewang-stanforddata-structure-visualizationUse this skill whenever the user wants visual learning for data structures, algorithms, trees, graphs, sorting, searching…mingchen666digits-fintech-swiss-templateSwiss-grid fintech deck template in black / warm paper / neon-lime contrast. Use when users ask for premium data-story slides…nexu-ioehr-analysisEnd-to-end EHR predictive modeling pipeline with PyHealth, covering dataset loading, task definition, model training, evaluation…BioTender-maxfield-notes-editorial-templateEditorial "Field Notes" report template with soft paper background, serif hero typography, rounded pastel insight cards, and a…nexu-iofigmaUse the Figma MCP server to fetch design context, screenshots, variables, and assets from Figma, and to translate Figma nodes…tech-leads-clubflowai-live-dashboard-templateTeam-management dashboard skill in the FlowAI aesthetic — three tabs (Team Members, Team Details, Activity Log), KPI stat row…nexu-iofs-editorial-forestArt-directing a fashion house's annual report — the editorial system, the photography rhythm, and the data spreads. Built as a…nexu-ioGeneral Data Analysis Skills IndexGeneral-purpose skills for data analysis infrastructure: environment management, parallel computing, and performance optimization.BioTender-maxgolang-safetyDefensive Golang coding to prevent panics, silent data corruption, and subtle runtime bugs. Use when encountering nil panics…samberwritesbio-data-visualization-heatmaps-clusteringBuild clustered heatmaps for expression matrices and other features-by-samples data with rigorous distance/linkage/scaling…BioTender-maxhistolab-wsi-processingWSI processing for digital pathology. Tissue detection, tile extraction (random, grid, score-based), filter pipelines for…BioTender-maxhps-y2k-chromeOpen Design's KPI decision brief: activation and retention drivers, what's working, and the one metric to move next. Built as a…nexu-iohtml-ppt-zhangzara-long-tableOpen Design's unit-economics and BYOK cost model: the assumptions, the sensitivity, and why it scales. Built as a decision-grade…nexu-iohuashu-sparkline-arcOpen Design's revenue-driver narrative: what actually moves ARR, the leverage points, and the forecast. Built as a decision-grade…nexu-iohubspot-product-event-syncSync backend product events into HubSpot contact and company custom properties using idempotent batched updates — the Segment…jeremylongshorewriteshuggingface-trackioTrack and visualize ML training experiments with Trackio. Use when logging metrics during training (Python API), firing alerts…waybarriosindustry-scannerDaily industry intelligence scanner. Scans web, social media, news, blogs, and communities for industry-relevant events, trends…gooseworks-aiinstructorExtract structured data from LLM responses with Pydantic validation, retry failed extractions automatically, parse complex JSON…Orchestra-Researchintercom-webhooks-eventsImplement Intercom webhook handling and data event tracking. Use when setting up webhook endpoints, processing Intercom…jeremylongshorewritesiso27701Expert ISO 27701 Privacy Information Management System (PIMS) compliance advisor. Use this skill whenever a user asks about…SushegaadlgpdExpert LGPD compliance advisor for Brazil's Lei Geral de Proteção de Dados (Law 13,709/2018). Use this skill whenever a user asks…SushegaadllamaindexData framework for building LLM applications with RAG. Specializes in document ingestion (300+ connectors), indexing, and…Orchestra-Researchmatlab-driving-data-importerImport recorded driving sensor data (GPS, camera, lidar, actor tracks, lanes) into scenariobuilder.* objects (GPSData…matlabmetrics-frameworkBuild a metrics framework for any product, team, or business. Use when asked for a metrics tree, KPI framework, North Star…mohitagw15856ml-autoresearchUse when the user wants an autonomous ML research loop that does more than blindly try changes. After every training run the…gaashermocking-apisGenerate mock API servers for testing and development with realistic response data. Use when creating mock APIs for development…jeremylongshorewritesnotion-webhooks-eventsBuild change detection and event handling for Notion workspaces using polling, native webhooks, and third-party connectors. Use…jeremylongshorewritesoffsite-signal-analyzerUse when the user asks to "analyze backlinks", "analyze my off-site signals", or "track AI traffic / ChatGPT / Perplexity…aaron-he-zhuperformance-reportGenerate affiliate performance reports with KPIs and recommendations. Triggers on: "show my affiliate report", "how are my…Affitorperforming-causal-analysisEstimate causal effects from existing data. Use when fitting or interpreting DiD, ITS, synthetic control, regression…foryourhealth111-pixelphx-traceTrace Elixir call trees from entry points via mix xref. Use when debugging data flow, planning signature changes, or…oliver-kriskapricingWhen the user wants help with pricing decisions, packaging, or monetization strategy. Also use when the user mentions 'pricing,'…sickn33pyopenms-mass-spectrometryMS data processing with PyOpenMS for LC-MS/MS proteomics and metabolomics — mzML/mzXML I/O, signal processing (smoothing, peak…BioTender-maxreact-useeffectReact useEffect best practices from official docs. Use when writing/reviewing useEffect, useState for derived values, data…softaworks
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How the catalog works
What is an agent skill?

A folder with a SKILL.md inside — instructions, and often scripts and assets, that an AI agent loads when the task matches. Claude Code, Codex, Cursor and Copilot all read the same format, so one skill usually works across them.

Where does this catalog come from?

We read 660 source repositories straight from their file trees rather than from submitted listings — what you see is what is actually published. 98 repositories were rejected because they advertise skills but contain none: link lists, not folders.

Why is there no install counter?

Because install counts live in the registry that serves `npx skills add`, and that is not ours — publishing a number we cannot verify would be worse than showing none. Instead we show where a skill comes from and whether attention around its source is actually growing, measured from our own weekly snapshots.

Do you deduplicate?

Yes, and it matters more than expected. Aggregator repositories republish the same skill in several places — one source carried 6,317 SKILL.md files for 2,001 actual skills. We collapse by folder name and keep the canonical copy, so the catalog counts things, not copies.

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