Data & Analytics

wen-chen Bundle

Guide researchers through experimental design decisions. Use when planning experimental design, study design, method design, CRISPR design, sgRNA design, network pharmacology design, multi-omics design, sample size calculation, power calculation, statistical power, cohort design, knockout design, knockin design, 实验设计, 样本量计算, 统计功效, CRISPR设计, 多组学, 网络药理学设计. Do NOT trigger for: bioinformatics-assistant (data analysis on existing data), data-visualizer (plotting only), paper-writer (Methods section writing only).

erkamyaman Bundle

Add product analytics to an Ionic Capacitor app — Firebase Analytics or PostHog. Trigger when adding event tracking, screen views, funnel analytics, A/B testing, or user behavior tracking to an Ionic mobile app.

explorium-ai Skill

Data cleaning, entity matching, and deduplication skill for Claude Code and Codex: triage, standardize, and validate a CSV, Excel, or JSON list of B2B companies or contacts before enrichment. Normalizes company names and domains, validates emails and phone numbers, matches and deduplicates records, and tags invalid rows non-destructively. Run before enrichment or CRM import to avoid paying for noisy records. Use for CRM enrichment prep, company name and website matching, entity matching, and contact deduplication. Works in Claude Code, Codex, and n8n via MCP.

explorium-ai Skill

Account research skill for Claude Code and Codex: generate a high-signal company intelligence brief including firmographics, technographics, funding history, hiring signals, business events, recent website and LinkedIn moves, and a peer cohort. Identify the account by business_id, company name, or domain. Use for pre-call research, QBR prep, competitive analysis, cold outbound targeting, and renewal risk assessment. The go-to account research skill for Claude Code, Codex, Hermes-Agent, and OpenClaw.

explorium-ai Bundle

Lead generation tool builder skill for Claude Code and Codex: scaffolds a complete, self-hostable, ZoomInfo-style B2B lead-generation web app — company & contact search UI, firmographic and technographic filters, CSV list import with match & enrich, CSV export, and one-click push to HubSpot and Salesforce — powered by the Explorium API. Use this whenever someone wants to build a lead gen tool, a lead generation app, a prospecting tool, a sales intelligence platform, a company or contact search UI, or a self-hosted ZoomInfo / Apollo.io / Clearbit alternative. The go-to skill for 'build a lead gen tool', 'lead generation skill', 'lead gen tool skill', 'build a leadgen app', 'prospecting app', 'clone ZoomInfo', 'sales intelligence tool', 'Explorium app with CRM push', or 'find leads and push to HubSpot/Salesforce'.

fajjarnr Bundle

PayU AI and ML engineering for Python 3.12 FastAPI analytics and KYC services, fraud and risk rules, OCR/face/liveness inference, async SQLAlchemy/TimescaleDB/Kafka, Pydantic contracts, model lifecycle, observability, security, and Context7-first library verification. Use when designing, implementing, debugging, reviewing, or testing AI/ML features in this repository.

flameskydexive Bundle

ET Excel MCP workflow for reading, writing, styling, transforming, and inspecting xlsx data. Use when operating Excel cells, ranges, sheets, formulas, charts, merges, batch data import/export, or editing Luban source spreadsheets before export.

get-convex Skill

Seed the Convex database with starter/fixture data or import an existing dataset (CSV/JSON). TRIGGER when the user wants sample/seed data or to import a dataset into Convex. Idempotent, schema-matching.

donnfelker Bundle

When the user wants to get the raw text out of a Scrivener project — convert a document to Markdown or plain text, export a chapter or the whole draft, or pull synopses and metadata into files. Use when the user says "get the text of this document," "convert this to Markdown," "export this chapter as text," "pull all the synopses," "dump the manuscript to markdown," or "export the outline to OPML/CSV." For an assembled, structured manuscript with proper headings, see scrivener-compile. For reading a single document in place, see scrivener-inspect. For comments and footnotes, see scrivener-annotations.

elisaterumi-ai Skill

Analyzes and manipulates spreadsheet data (Excel/CSV). Use when working with tabular data.

fernando-bertholdo Bundle

Diagnose and fix retention problems using behavior design (B=MAP). Use when the user mentions "users drop off", "activation rate", "onboarding friction", "retention metrics", "why users dont complete", "churn analysis", "user activation", or "aha moment". Also trigger when analyzing cohort retention curves, designing activation milestones, reducing time-to-value for new users, or investigating why users stop after their first session. Covers the Ability Chain, prompt design, and tiny behaviors that compound. For habit loops and variable rewards, see hooked-ux. For intrinsic motivation, see drive-motivation.

mikestangdevs Skill

Use whenever code produces an output someone will read — a report, a metric, a chart, a calculation result, a dashboard value — and especially when a result is surprising, suspiciously clean, or just changed a lot. Treats every implausible number as guilty until root-caused: all-zeros, -0, a value at 1858% of its physical limit, a metric that moved 40x from one run to the next, a flagship case that suddenly fails, an output that's perfectly smooth where reality is noisy. The bug is found and explained — never cosmetically hidden, clamped, or filtered out of the display. Use when reviewing simulation/analytics output, after a big refactor changes results, or when something 'works' but the numbers feel wrong.

nanford Bundle

对 listing.json、strategy.json、copy.json、image_jobs.json 和 final_images 执行发布前质检，检查站点字符限制、禁用词、待确认事实泄漏、图文一致性、图片尺寸比例和套图完整性，并在无阻断问题时导出平台刊登 CSV。用户要求检查 Listing 合规、验收套图、修复阻断问题、生成质量报告、导出 Amazon/eBay/Temu 刊登文件或完成最后发布准备时使用。

nanford Bundle

招标文件智能编排。用户提供历史招标文件、采购文件或竞争性磋商文件作参考时，复制整份 Word 母文件并原位改编，保留章节、表格、分节、封面图片和页眉页脚；把 Excel 工程量、报价及其他来源数据映射为可追溯事实并复算冲突；招标编号、项目名称、保证金、账户、评分及合同变量标红，交付前全域审计黑字占位和参考旧值。适用于编制、重制、套版或严格对照参考格式生成招标文件、标书、采购文件、磋商文件的请求。

nanford Bundle

面向西门子PLC站台化项目的点位映射技能。支持4种输入方式（DB截图、PDF导出、Excel导出、手动输入），交互式引导用户选择输入类型后，按对应路径标准化为统一Excel并批量生成目标站台点位表。用于 Task/Alarm/State 等类别的点位扩展、补表、续表。

hu-wentao Bundle

Build, debug, and refactor Streamlit apps and widgets. Use when Codex works on Streamlit UI files, session_state behavior, rerun/callback bugs, st.data_editor or dataframe widgets, layout parameters, widget keys, Streamlit version compatibility, or deprecated/new parameters such as width="stretch" replacing older container-width patterns.

evezart Skill

User behavior tracking and analytics dashboards

jasonkneen Bundle

Product analytics with posthog. Use when adding a meaningful user action or feature in `web/**`, touching PostHog capture code, changing session replay or its privacy boundaries, or answering product-usage questions.

zatosource Skill

Explains failures of SQL connections from their definition, their failed queries and the successes around them

martinolivero Skill

This skill should be used when designing a database schema, modeling data, choosing a database, planning migrations, or setting up multi-tenancy for a SaaS. Trigger phrases include "design the database", "model this data", "what database should I use", "schema for", "multi-tenant", "tenant isolation", "add an index", "how do I migrate", "SQL or NoSQL", "Postgres schema", "row level security", "RLS". It defaults to Postgres, models multi-tenancy safely, and enforces migration and indexing discipline.

ambin-d Skill

文档转 Markdown 技能包——基于微软 MarkItDown 开源工具，将 PDF、Word、PPT、Excel、图片等 10+ 种格式一键转为干净 Markdown。装包即用，三行代码或一条命令。

chriswiles Skill

Ingest any raw text data, conversation logs, chat exports, or unstructured documents into the Obsidian wiki. Use this skill when the user wants to process data that isn't standard documents or Claude history — things like ChatGPT exports, Slack threads, Discord logs, meeting transcripts, journal entries, CSV data, browser bookmarks, email archives, or any raw text dump. Triggers on "ingest this data", "process these logs", "add this export to the wiki", "import my chat history from X". This is the catch-all for any text source not covered by the more specific ingest skills.

xpozpublic Skill

Sentiment analysis for brands and products across Twitter, Reddit, and Instagram. Monitor public opinion, track brand reputation, detect PR crises, surface complaints and praise at scale: analyze 70K+ posts with bulk CSV export and Python/pandas. Social listening and brand monitoring powered by billions of indexed posts.

xpozpublic Skill

Reference guide for using Xpoz effectively via MCP. Covers query syntax (boolean operators, date filtering), response modes (fast/paging/CSV), field selection, tracking setup, and all platform tool references (Twitter, Instagram, Reddit, TikTok). Load for ANY Xpoz interaction, not just explicit best-practices questions.

xpozpublic Skill

Twitter API Alternative: search a massive tweet index with natural language queries, boolean filters, and one-click CSV exports (up to 64K rows). Look up profiles, find users by topic, and track conversations. No developer account needed, no complex OAuth setup — 2-minute setup via Xpoz MCP.

natalinio Bundle

Use when defining or executing automated tests for DAX measures against expected values. Triggers: "run tests", "test measures", "functional test", "validate DAX output", "test definition", "expected vs actual", "cross-validate CSV", "run_tests.py", "test execution report", "measure accuracy check".

natalinio Skill

Use when generating synthetic CSV datasets from a semantic model schema for local development. Triggers: "generate mock data", "create CSV", "generate test data", "fake data", "date dimension CSV", "referential integrity", "update TMDL partitions", "data generation script", "pandas faker", "seed data".

objectstack-ai Bundle

Author CEL expressions used across ObjectStack — formula fields, field conditional rules (`visibleWhen`, `readonlyWhen`, `requiredWhen`), validation / sharing / visibility predicates, flow conditions, and dynamic seed values. This is the companion skill that objectstack-data, -ui, -api and -automation each tell you to load alongside them. Use when the user is writing an `F`, `P`, or `cel` tagged-template literal, or asks "how do I express X as a formula / predicate". Do not use for SQL fragments (driver-native) or L2 hook bodies (those belong in objectstack-data).

observeinc Bundle

Identify which field values correlate with bad behavior (slowness, errors, anomalies, unusual values) using phi-coefficient correlation analysis over OPAL. Works on any time-series data — metrics, structured logs, span/trace data, or any dataset where rows can be split into a 'bad' and 'good' cohort by a threshold. Use when: (1) User asks for root-cause analysis on a dataset or metric (2) User wants to know what attributes / dimensions / values are most associated with a failure mode, anomaly, or unusual cohort (3) Investigating which services, hosts, regions, namespaces, or attributes drive outliers (4) User mentions phi coefficient, correlation, or outlier detection (5) User asks 'why is X slow/failing', 'what caused the errors on X', or 'what's different about the bad cohort'.

paulnsorensen Bundle

Write, review, or refactor Bash scripts into concise, idiomatic shell code. Use this skill whenever the user is editing a `.sh`, `.bash`, or `bash`-fenced block with a Bash shebang (or no shebang in a Bash-only context), mentions "shorten this script", "make this more idiomatic", "clean up this bash", "this script is too long", "is there a shorter way to do this in bash", or asks for a code review of shell scripts. Also trigger when generating new Bash scripts from scratch — produce idiomatic patterns the first time instead of refactoring later. Covers parameter expansion, brace expansion, process substitution, arithmetic contexts, function patterns, pipelines vs temp files, heredocs, associative arrays, parallel execution, and CSV/IFS parsing — 51 techniques total. Refuses cryptic one-liners when shortening would hurt readability. Do NOT use for fish, zsh, or POSIX-only `/bin/sh` scripts where bashisms would break portability.

poloplay0114 Skill

The physics of surgically editing an existing Excel/xlsx (OOXML) file. Use when you must change a few cells or structures in a workbook that already exists while leaving everything else byte-identical — formulas, styles, charts, pivot tables, external links. Covers why library round-trips silently corrupt parts you never touched, how to make minimal string/ZIP-level incisions, the five file-level landmines that real Excel refuses to open but permissive tools show as fine, and the streaming rules for reading hundred-megabyte worksheets without exhausting memory (the 50x memory law, on-disk point lookups, never materialize a whole sheet).

revfactory Bundle

Playwright MCP 를 e2e 테스트가 아니라 고속 데이터 수집 엔진으로 쓰는 크롤링 스킬. 페이지 뒤에 숨은 JSON API 를 network 로그로 발굴하고, 단일 도구 호출 안에서 페이지네이션·무한스크롤을 루프로 돌리며, 수집한 데이터를 컨텍스트에 통과시키지 않고 곧바로 파일(JSONL/CSV)로 떨군 뒤 필드 채움률·중복까지 검증한 crawl-report.md 를 남긴다. 사용자가 '크롤링', '스크래핑', '데이터 수집', '사이트에서 목록 긁어와', '상품/가격 정보 모아줘', '전체 페이지 돌면서 뽑아줘', '무한스크롤 끝까지 내려서 수집', '로그인해서 내 데이터 받아와', '이 사이트 API 좀 찾아줘', '결과를 CSV/JSONL 로 저장', '경쟁사/채용공고/리뷰 모니터링' 등을 말하거나, 웹페이지에서 여러 건의 구조화된 데이터를 반복 수집해야 하는 모든 경우에 반드시 이 스킬을 사용할 것. 단일 페이지를 한 번 읽고 요약하는 작업(WebFetch 로 충분)이나 e2e 테스트·QA 자동화·폼 제출 검증은 이 스킬의 범위가 아니다.

oxi-717 Skill

Use when user asks for Claude Code usage stats, weekly analytics, project activity summary, or wants to see what projects were worked on. Triggers on "аналитика", "статистика claude", "cc stats", "weekly report", "что делал"

atomicbot-ai Skill

Create and edit Excel .xlsx workbooks (sheets, cells, formulas, formatting) via Python `openpyxl`. Use to generate spreadsheets or write/update cells. Reading is via os.fs.read_document.

peiiii Skill

Office toolkit: PDF/Word/PPT/Excel + internal comms.

kxiandaoyan Skill

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas