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420 skills match “data cleaning”
Moltsheet
Use the Moltsheet CLI to manage spreadsheet-style data for AI workflows: create sheets, inspect schemas, import rows, update cells, share sheets, and run read-only SQL queries over accessible sheets. Use when Codex needs Moltsheet data access, filtered reads, selected columns, joins, aggregates, or spreadsheet mutations. Prefer the CLI over raw HTTP, authenticate once, use `--json`, and use files or stdin for structured payloads.
API
Integrates and debugs third-party REST and GraphQL APIs: auth, rate limits, pagination, webhooks, with reference for 147 services. Use when calling Stripe, OpenAI, GitHub, Slack, Twilio, or any external service, when a request that should work returns 401, 403, or 429, times out, hits a CORS error, or silently returns wrong data, when choosing an OAuth flow, signing requests, adding retries with backoff and idempotency keys, verifying webhook signatures, consuming SSE streams, uploading files, polling async jobs, caching with ETags, or syncing API data into a local database — with per-service gotchas and curl examples. Not for designing or building your own API.
OKX CEX Market Data CLI
Use this skill when the user asks for: price of any asset, ticker, order book, candles, OHLCV, funding rate, open interest, OI change scanner, market screener (top movers, high-volume, newly listed), mark price, index price, recent trades, instrument list, stock tokens, metals prices (gold, XAU, XAG), commodities (oil, OIL), forex rates (EUR/USD, EURUSDT), bond instruments, non-crypto assets, or any technical indicator query (RSI, MACD, EMA, Bollinger Bands, KDJ, SuperTrend, AHR999, BTC rainbow, and 70+ more). All commands are read-only and do NOT require API credentials. Do NOT use for account balance/positions (okx-cex-portfolio), placing/cancelling orders (okx-cex-trade), or bots (okx-cex-bot).
ClinicalTrials.gov Database
Query ClinicalTrials.gov via API v2. Search trials by condition, drug, location, status, or phase. Retrieve trial details by NCT ID, export data, for clinical research and patient matching.
HMDB Database
Access Human Metabolome Database (220K+ metabolites). Search by name/ID/structure, retrieve chemical properties, biomarker data, NMR/MS spectra, pathways, for metabolomics and identification.
Investoday Finance Data
获取中国市场金融数据与投研信息，覆盖 A股、港股、基金、指数、财务、公告、研报和宏观经济等 200+ 接口。Use when: 用户要查股票走势、基金净值、指数行情、财务报表、估值指标、公告研报、机构观点、宏观数据、板块主题、产业链、市场统计，或要拉取、导出、对比结构化金融数据。Do not use when: 用户要直接买卖建议、自动下单、交易执行、非金融数据查询、系统运维排查，或在无数据时要求编造结论。
Database Gotchas
Design and operate databases avoiding common scaling, reliability, and data integrity traps.
FT AI Market Data Skills
非凸科技金融数据技能集。覆盖 A 股股票列表、行情、IPO、大宗交易、融资融券、单股行情估值、可转债、ETF、基金、指数（含分页指数描述、下载描述 PDF、权重汇总/成份明细、下载权重 xlsx、详情/K 线/分时）、宏观经济，以及港股公司介绍/估值分析/基础视图/K线、东财美股列表/历史K线/最新行情、native 美股基础信息/利润表/现金流量表/资产负债表、港股财报三表(利润/现金流/资产负债)/东财港股指数日K线等接口（market.ft.tech / ftai.chat）。用户询问 A 股、港股、美股的代码、行情、估值、K线、指数权重/描述、新闻与宏观数据时使用。
FDA Database Access
Query openFDA API for drugs, devices, adverse events, recalls, regulatory submissions (510k, PMA), substance identification (UNII), for FDA regulatory data analysis and safety research.
Metabolomics Workbench Database
Access NIH Metabolomics Workbench via REST API (4,200+ studies). Query metabolites, RefMet nomenclature, MS/NMR data, m/z searches, study metadata, for metabolomics and biomarker discovery.
Docling - Document & Web Content Extraction
Extract and parse content from web pages, PDFs, documents (docx, pptx), and images using the docling CLI with GPU acceleration. Use INSTEAD of web_fetch for extracting content from specific URLs when you need clean, structured text. Use Brave (web_search) for searching/discovering pages. Use docling when you HAVE a URL and need its content parsed.
Fitbit CLI
Query Fitbit health data including sleep, heart rate, activity, SpO2, and breathing rate. Use when user asks about their fitness, sleep quality, steps, or health metrics.
yt-api-cli
Manage your YouTube account from the command line. Complete CLI for YouTube Data API v3 - list/search videos, upload, manage playlists, and more.
Onchain CLI
CLI for crypto portfolio tracking, market data, CEX history, and transaction lookups. Use when the user asks about crypto prices, wallet balances, portfolio values, Coinbase/Binance holdings, Polymarket predictions, or transaction details.
Vibe-Trading
Professional finance research toolkit — backtesting (10 engines + benchmark comparison panel), factor analysis, Alpha Zoo (462 pre-built alphas across qlib158/alpha101/gtja191/academic/fundamental), options pricing, 90 finance skills, 30 multi-agent swarm teams, Trade Journal analyzer, and Shadow Account (extract → backtest → render) across 28 market-data sources (tushare, yfinance, okx, binance, akshare, baostock, tencent, mootdx, ccxt, futu, mt5, tickerall, local, eastmoney, sina, stooq, yahoo, pykrx, india_broker, qveris, longbridge, nobitex, wallex, plus optional-key finnhub/alphavantage/tiingo/fmp/gildata).
Web Scraping
Web scraping tools for fetching and extracting data from web pages
Skill: codex-quota
Check OpenAI Codex CLI rate limit status (daily/weekly quotas) using local session logs. Portable Python script. Reads ~/.codex/sessions/ for quota data. When using --all --yes, it temporarily switches accounts by overwriting ~/.codex/auth.json (restored afterwards) to query each account. Uses the `codex` CLI for --fresh / --all.
Garmin Connect CLI
Access Garmin Connect health, fitness, and activity data via a non-interactive CLI.
MATLAB/Octave Scientific Computing
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 processing, image processing, differential equations, optimization, statistics, or creating scientific visualizations. Also use when the user needs help with MATLAB syntax, functions, or wants to convert between MATLAB and Python code. Scripts can be executed with MATLAB or the open-source GNU Octave interpreter.
Alpaca Trading Skill
Trade stocks and crypto via Alpaca API. Use for market data (quotes, bars, news), placing orders (market, limit, stop), checking positions, portfolio management, and account info. Supports both paper and live trading. Use when user asks about stock prices, wants to buy/sell securities, check portfolio, or manage trades.
whoopskill
WHOOP CLI with health insights, trends analysis, and data fetching (sleep, recovery, HRV, strain).
Trading Research Skill
Binance cryptocurrency trading research, technical analysis, and position management. Triggers on requests for crypto prices, market data, trading analysis, DCA planning, position sizing, whale activity, or any trading research questions about Bitcoin, altcoins, or crypto markets.
Jina
Web reading and searching via Jina AI APIs. Fetch clean markdown from URLs (r.jina.ai), web search (s.jina.ai), or deep multi-step research (DeepSearch).
jq JSON Processor
Process, filter, and transform JSON data using jq - the lightweight and flexible command-line JSON processor.