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Claude Skills by charlieviettq
github.com/charlieviettq1,152 skills31 installs1,813 views
- Tw Tax Basics\"Navigate Taiwan's tax system including corporate income tax (營所稅), business tax (營業稅), personal income tax, withholding obligations, and startup tax incentives. Use this skill when the user needs to understand Taiwan tax obligations, calculate tax liability, file taxes, or plan for tax efficiency — even if they say 'how much tax do we owe', 'what's the corporate tax rate in Taiwan', 'tax filing deadlines', or 'are there startup tax breaks'.\".Votes: 0GitHub stars: 25
- UpdateSync tasks and refresh memory from your current activity. Use when pulling new assignments from your project tracker into TASKS.md, triaging stale or overdue tasks, filling memory gaps for unknown people or projects, or running a comprehensive scan to catch todos buried in chat and email.Votes: 0GitHub stars: 25
- Ux Design Thinking\"Apply Design Thinking's five stages — Empathize, Define, Ideate, Prototype, Test — to solve user-centered problems. Use this skill when the user needs to solve an ambiguous problem, redesign a user experience, facilitate an innovation workshop, or develop a new product concept from scratch — even if they say 'we don't know what to build', 'how do we innovate', or 'the users aren't happy but we're not sure why'.\".Votes: 0GitHub stars: 25
- Ux Heuristic\"Conduct heuristic evaluation of user interfaces using Nielsen's 10 usability principles. Use this skill when the user needs to audit a website, app, or interface for usability issues, prioritize UX improvements, or conduct a quick expert review without user testing — even if they say 'review this UI', 'find usability problems', or 'why do users struggle with our app'.\".Votes: 0GitHub stars: 25
- Ux Jtbd\"Apply Jobs to Be Done (JTBD) framework to understand customer motivation through functional, emotional, and social jobs. Use this skill when the user needs to understand why customers hire or fire a product, discover unmet needs, write job stories, or reframe product strategy around customer outcomes — even if they say 'why do customers buy this', 'what need does this serve', or 'customers aren't using our product as intended'.\".Votes: 0GitHub stars: 25
- Ux Lean Startup\"Apply Lean Startup methodology — Build-Measure-Learn loop, MVP, validated learning, and pivot decisions. Use this skill when the user is launching a new product or startup and needs to validate ideas quickly, design an MVP, decide whether to pivot or persevere, or reduce wasted effort on unvalidated assumptions — even if they say 'should we build this', 'how do we test this idea', 'when should we pivot', or 'we're burning cash with no traction'.\".Votes: 0GitHub stars: 25
- Validate DataQA an analysis before sharing -- methodology, accuracy, and bias checks. Use when reviewing an analysis before a stakeholder presentation, spot-checking calculations and aggregation logic, verifying a SQL query's results look right, or assessing whether conclusions are actually supported by the data.Votes: 0GitHub stars: 25
- Variance AnalysisDecompose financial variances into drivers with narrative explanations and waterfall analysis. Use when analyzing budget vs. actual, period-over-period changes, revenue or expense variances, or preparing variance commentary for leadership.Votes: 0GitHub stars: 25
- Vendor CheckCheck the status of existing agreements with a vendor across all connected systems — CLM, CRM, email, and document storage — with gap analysis and upcoming deadlines. Use when onboarding or renewing a vendor, when you need a consolidated view of what's signed and what's missing (MSA, DPA, SOW), or when checking for approaching expirations and surviving obligations.Votes: 0GitHub stars: 25
- Write QueryWrite optimized SQL for your dialect with best practices. Use when translating a natural-language data need into SQL, building a multi-CTE query with joins and aggregations, optimizing a query against a large partitioned table, or getting dialect-specific syntax for Snowflake, BigQuery, Postgres, etc.Votes: 0GitHub stars: 25
- Write SpecWrite a feature spec or PRD from a problem statement or feature idea. Use when turning a vague idea or user request into a structured document, scoping a feature with goals and non-goals, defining success metrics and acceptance criteria, or breaking a big ask into a phased spec.Votes: 0GitHub stars: 25
- Xborder Logistics\"Design cross-border logistics strategies including direct mail, overseas warehousing, and bonded warehouse models for international e-commerce. Use this skill when the user needs to ship products internationally, choose a logistics model for cross-border sales, optimize shipping costs, or set up fulfillment in a foreign market — even if they say 'ship to Southeast Asia', 'overseas warehouse vs direct shipping', 'customs clearance', or 'reduce international shipping time'.\".Votes: 0GitHub stars: 25
- Xborder Sea Entry\"Plan Southeast Asia market entry including mode selection, regulatory requirements, cultural research, and go-to-market timeline. Use this skill when the user is considering expansion to SEA, evaluating entry modes (marketplace vs direct vs distributor), or conducting market feasibility studies — even if they say 'should we enter Vietnam', 'how to sell in Indonesia', 'SEA expansion plan', or 'find a local distributor'.\".Votes: 0GitHub stars: 25
- Xquik X Data WorkflowsSource-check and plan Xquik REST API or remote MCP workflows for X data tasks.Votes: 0GitHub stars: 25
- Ontoly Software GraphUse Ontoly's deterministic Software Graph and MCP capabilities for repository architecture, request tracing, dependency analysis, and impact analysis before falling back to direct source search. Triggers: "Ontoly", "Software Graph", "trace request", "impact analysis", "dependency graph".Votes: 0GitHub stars: 25
- Xquik X Data WorkflowsSource-check and plan Xquik REST API or remote MCP workflows for X data tasks. Triggers: "Xquik", "X/Twitter data workflow", "tweet search API", "X MCP server".Votes: 0GitHub stars: 25
- Algo Ad BiddingImplement and select ad bidding strategies from manual CPC to automated target-CPA and target-ROAS. Use this skill when the user needs to choose a bidding strategy, set up automated bidding, or optimize bid parameters — even if they say 'what bidding strategy should I use', 'target CPA setup', or 'smart bidding configuration'.Votes: 0GitHub stars: 25
- Algo Ad BudgetOptimize advertising budget allocation across campaigns using marginal returns analysis. Use this skill when the user needs to distribute budget across multiple campaigns, optimize spend pacing, or maximize overall ROAS under budget constraints — even if they say 'how to split my ad budget', 'campaign budget optimization', or 'diminishing returns on ad spend'.Votes: 0GitHub stars: 25
- Algo Ad CtrBuild CTR prediction models for estimating ad click-through rates from features. Use this skill when the user needs to predict click probability, build an ad ranking model, or evaluate ad creative performance — even if they say 'predict click rate', 'ad relevance scoring', or 'which ad will get more clicks'.Votes: 0GitHub stars: 25
- Algo Ad GspImplement Generalized Second Price auction for ad slot allocation and pricing. Use this skill when the user needs to understand search ad auctions, compute ad positions and costs-per-click, or analyze bidding dynamics — even if they say 'how does Google Ads auction work', 'ad rank calculation', or 'second price auction for ads'.Votes: 0GitHub stars: 25
- Algo Ad VcgImplement VCG mechanism for incentive-compatible ad slot allocation with truthful bidding. Use this skill when the user needs to design a truthful auction mechanism, compute externality-based payments, or understand why platforms may prefer GSP over VCG — even if they say 'truthful auction design', 'VCG payments', or 'incentive-compatible mechanism'.Votes: 0GitHub stars: 25
- Algo Blockchain BasicsExplain blockchain fundamentals including distributed ledger architecture, consensus mechanisms, and block structure. Use this skill when the user needs to understand blockchain concepts, evaluate whether blockchain fits a use case, or design a blockchain-based solution — even if they say 'how does blockchain work', 'do I need blockchain', or 'distributed ledger'.Votes: 0GitHub stars: 25
- Algo Blockchain Smart ContractDesign and implement smart contracts as self-executing programmatic agreements on blockchain. Use this skill when the user needs to build automated on-chain logic, evaluate smart contract security, or design tokenized business rules — even if they say 'smart contract development', 'automated agreement', or 'on-chain logic'.Votes: 0GitHub stars: 25
- Algo Ecom Bm25Implement BM25 ranking function for e-commerce product search relevance scoring. Use this skill when the user needs to build a text-based product search engine, improve search result relevance, or replace basic TF-IDF with a more robust ranking function — even if they say 'product search ranking', 'search relevance', or 'BM25 implementation'.Votes: 0GitHub stars: 25
- Algo Ecom RankingDesign multi-objective e-commerce product ranking combining relevance, conversion, and business metrics. Use this skill when the user needs to build a product ranking system beyond text relevance, balance relevance with commercial objectives, or implement learning-to-rank — even if they say 'product sorting', 'search result ranking', or 'how to rank products'.Votes: 0GitHub stars: 25
- Algo Ecom SearchOptimize e-commerce search relevance across the full pipeline from query understanding to result presentation. Use this skill when the user needs to improve search quality, implement query processing features, or diagnose search relevance issues — even if they say 'search results are bad', 'improve product search', or 'search relevance optimization'.Votes: 0GitHub stars: 25
- Algo Forecast ArimaBuild ARIMA models for time series forecasting with trend and seasonality decomposition. Use this skill when the user needs to forecast future values from historical sequential data, test for stationarity, or select ARIMA parameters — even if they say 'time series forecast', 'predict next month sales', or 'ARIMA model'.Votes: 0GitHub stars: 25
- Algo Forecast EnsembleCombine multiple forecasting models into ensemble predictions for improved accuracy. Use this skill when the user needs to improve forecast reliability, combine ARIMA/Prophet/ETS outputs, or build a robust forecasting pipeline — even if they say 'combine forecasts', 'model averaging', or 'which forecast should I trust'.Votes: 0GitHub stars: 25
- Algo Forecast ExponentialApply exponential smoothing methods for time series forecasting with weighted moving averages. Use this skill when the user needs simple, robust forecasts, implement Holt-Winters for seasonal data, or build lightweight forecasting without complex models — even if they say 'simple forecast', 'moving average prediction', or 'smoothing method'.Votes: 0GitHub stars: 25
- Algo Forecast ProphetBuild forecasting models with Meta's Prophet for business time series with holidays and changepoints. Use this skill when the user needs user-friendly time series forecasting, handling of missing data and holidays, or automatic changepoint detection — even if they say 'forecast with Prophet', 'business forecast', or 'easy time series model'.Votes: 0GitHub stars: 25
- Algo Hr CompensationConduct compensation benchmarking analysis to position salaries against market data. Use this skill when the user needs to assess pay competitiveness, build salary bands, or analyze pay equity — even if they say 'are we paying market rate', 'salary benchmarking', or 'compensation analysis'.Votes: 0GitHub stars: 25
- Algo Hr MatchingImplement Gale-Shapley stable matching algorithm for two-sided matching problems. Use this skill when the user needs to match candidates to positions, assign students to schools, or solve any two-sided preference matching — even if they say 'optimal job matching', 'stable assignment', or 'candidate-position pairing'.Votes: 0GitHub stars: 25
- Algo Hr TurnoverBuild employee turnover prediction models to identify flight risk and retention drivers. Use this skill when the user needs to predict which employees are likely to leave, identify retention risk factors, or prioritize HR interventions — even if they say 'attrition prediction', 'who is going to quit', or 'employee retention model'.Votes: 0GitHub stars: 25
- Algo Mfg CpkCalculate Cpk process capability index to assess whether a process meets specification requirements. Use this skill when the user needs to evaluate process capability, compare processes, or determine if quality targets are achievable — even if they say 'can our process meet spec', 'process capability', or 'Cpk calculation'.Votes: 0GitHub stars: 25
- Algo Mfg DoeDesign and analyze factorial experiments to identify significant process factors and optimize settings. Use this skill when the user needs to systematically test factor effects, optimize a manufacturing process, or determine which variables matter most — even if they say 'which factors affect quality', 'optimize process settings', or 'design an experiment'.Votes: 0GitHub stars: 25
- Algo Mfg FmeaConduct FMEA to systematically identify, prioritize, and mitigate potential failure modes. Use this skill when the user needs to assess product or process risks, prioritize corrective actions, or build a risk register — even if they say 'failure mode analysis', 'risk assessment', 'what could go wrong', or 'RPN calculation'.Votes: 0GitHub stars: 25
- Algo Mfg SpcImplement Statistical Process Control charts to monitor production process stability. Use this skill when the user needs to detect process shifts, set control limits, or distinguish common cause from special cause variation — even if they say 'process monitoring', 'control chart', or 'is our process in control'.Votes: 0GitHub stars: 25
- Algo Net CentralityCalculate network centrality metrics to identify important nodes in graphs. Use this skill when the user needs to find key influencers, critical infrastructure nodes, or central actors in a network — even if they say 'who is most important in this network', 'key nodes', or 'network influence measurement'.Votes: 0GitHub stars: 25
- Algo Net CommunityImplement Louvain community detection to discover densely connected groups in networks. Use this skill when the user needs to find communities or clusters in social/organizational networks, segment customers by interaction patterns, or analyze network modular structure — even if they say 'find groups in this network', 'community detection', or 'network clustering'.Votes: 0GitHub stars: 25
- Algo Net InfluenceSolve the influence maximization problem to select optimal seed nodes for maximum information spread. Use this skill when the user needs to choose seed users for viral campaigns, maximize network reach under a budget constraint, or compare seeding strategies — even if they say 'who should we seed first', 'maximize viral reach', or 'optimal influencer selection'.Votes: 0GitHub stars: 25
- Algo Nlp LdaImplement LDA topic modeling to discover latent topics in document collections. Use this skill when the user needs to extract topics from a text corpus, categorize documents by theme, or explore thematic structure — even if they say 'what are the main topics', 'topic extraction', or 'document clustering by theme'.Votes: 0GitHub stars: 25
- Algo Nlp NerImplement Named Entity Recognition to identify and classify entities in text. Use this skill when the user needs to extract people, organizations, locations, dates, or custom entities from documents — even if they say 'extract names from text', 'find companies mentioned', or 'entity extraction'.Votes: 0GitHub stars: 25
- Algo Nlp SimilarityCalculate text similarity using lexical and semantic methods for matching and deduplication. Use this skill when the user needs to find similar documents, detect near-duplicates, or measure semantic closeness between texts — even if they say 'how similar are these texts', 'find duplicates', or 'semantic matching'.Votes: 0GitHub stars: 25
- Algo Nlp SummarizationImplement text summarization using extractive and abstractive approaches. Use this skill when the user needs to condense long documents, build an automatic summarization pipeline, or compare summarization strategies — even if they say 'summarize this document', 'TLDR', or 'key points extraction'.Votes: 0GitHub stars: 25
- Algo Price BundleDesign bundle pricing strategies using pure bundling, mixed bundling, and consumer surplus analysis. Use this skill when the user needs to set prices for product bundles, determine whether bundling increases profit, or analyze unbundling opportunities — even if they say 'should we bundle these products', 'bundle pricing', or 'package deal pricing'.Votes: 0GitHub stars: 25
- Algo Price ConjointRun conjoint analysis to measure how product attributes drive consumer preferences and willingness to pay. Use this skill when the user needs to quantify feature value trade-offs, estimate willingness to pay for specific features, or optimize product configuration — even if they say 'which features do customers value most', 'willingness to pay for feature X', or 'product attribute trade-offs'.Votes: 0GitHub stars: 25
- Algo Price DynamicImplement dynamic pricing strategies that adjust prices in real-time based on demand, time, and competition. Use this skill when the user needs to build a dynamic pricing system, implement surge pricing, or optimize prices for perishable inventory — even if they say 'real-time pricing', 'surge pricing', or 'demand-based price adjustment'.Votes: 0GitHub stars: 25
- Algo Price ElasticityCalculate price elasticity of demand to quantify how price changes affect sales volume. Use this skill when the user needs to estimate demand sensitivity, set optimal prices, or evaluate the revenue impact of price changes — even if they say 'how sensitive are customers to price', 'will a price increase hurt sales', or 'elasticity calculation'.Votes: 0GitHub stars: 25
- Algo Price Van WestendorpConduct Van Westendorp Price Sensitivity Meter analysis to identify acceptable price ranges. Use this skill when the user needs to determine price boundaries for a new product, find the optimal and indifference price points, or survey-based pricing research — even if they say 'what should we charge', 'price sensitivity survey', or 'acceptable price range'.Votes: 0GitHub stars: 25
- Algo Rank BayesianApply Bayesian averaging to rank items by combining observed ratings with prior expectations. Use this skill when the user needs to rank items with varying review counts, build a 'top rated' list that handles low-sample items fairly, or implement IMDB-style weighted rating — even if they say 'weighted average rating', 'IMDB formula', or 'ranking with prior'.Votes: 0GitHub stars: 25