GitHub
report-generator
Generate professional PDF/HTML reports with charts, tables, and narrative from data. Supports templates, branding, and automated report generation.
☆ 14View skill
Development AI Skills
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GitHub
ab-test-calculator
Calculate statistical significance for A/B tests. Sample size estimation, power analysis, and conversion rate comparisons with confidence intervals.
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GitHub
gantt-chart-creator
Create project timeline Gantt charts with dependencies, milestones, and progress tracking. Supports static (PNG/SVG) and interactive (HTML) output.
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GitHub
distance-calculator
Calculate distances between geographic coordinates, find nearby points, and compute travel distances. Use for logistics, delivery routing, or location analysis.
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GitHub
ml-model-explainer
Explain ML model predictions using SHAP values, feature importance, and decision paths with visualizations.
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GitHub
feature-engineering-kit
Auto-generate features with encodings, scaling, polynomial features, and interaction terms for ML pipelines.
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GitHub
survey-analyzer
Analyze survey responses with Likert scale analysis, cross-tabulations, sentiment scoring, and frequency distributions with visualizations.
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GitHub
model-comparison-tool
Use when asked to compare multiple ML models, perform cross-validation, evaluate metrics, or select the best model for a classification/regression task.
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GitHub
clustering-analyzer
Cluster data using K-Means, DBSCAN, hierarchical clustering. Use for customer segmentation, pattern discovery, or data grouping.
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GitHub
word-cloud-generator
Generate styled word clouds from text with custom shapes, colors, fonts, and stopword filtering. Supports PNG/SVG export and frequency dictionaries.
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GitHub
phone-number-formatter
Standardize and format phone numbers with international support, validation, and multiple output formats.
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GitHub
scientific-paper-figure-generator
Use when asked to create publication-ready scientific figures, charts for research papers, or academic visualizations.
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GitHub
keyword-extractor
Extract keywords and key phrases from text using TF-IDF, RAKE, and frequency analysis. Generate word clouds and export to various formats.
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GitHub
meeting-notes-formatter
Convert raw meeting notes to structured markdown or PDF with automatic section detection, action items extraction, and attendee parsing.
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GitHub
audio-normalizer
Use when asked to normalize audio volume, match loudness, or apply peak/RMS normalization to audio files.
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GitHub
skill-creator
Guide for creating effective skills. Use when building new skills or updating existing ones that extend ChatGPT with specialized knowledge, workflows, or tool integrations.
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GitHub
expense-report-generator
Generate formatted expense reports from receipt data or CSV. Create professional PDF reports with categorization, totals, and approval workflows.
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GitHub
address-parser
Parse unstructured addresses into structured components - street, city, state, zip, country with validation.
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GitHub
readability-scorer
Calculate readability scores (Flesch-Kincaid, Gunning Fog, SMOG) and grade levels for text. Analyze writing complexity and get improvement suggestions.
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GitHub
certificate-generator
Batch create professional certificates with customizable templates for courses, achievements, and awards. Supports CSV input and PDF export.
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GitHub
currency-converter
Convert currencies with real-time exchange rates, historical data, and multi-currency calculations.
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GitHub
lorem-ipsum-generator
Generate placeholder text (lorem ipsum) in various formats. Create paragraphs, sentences, words, or custom templates for mockups and testing.
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GitHub
image-filter-lab
Apply artistic filters to images including vintage, sepia, B&W, blur, sharpen, vignette, and color adjustments. Create custom filter presets.
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GitHub
time-series-decomposer
Decompose time series into trend, seasonal, and residual components. Use for forecasting, pattern analysis, and seasonality detection.
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The default order uses GitHub repository stars from our indexed data. Stars belong to the source repository and may be shared by multiple skills. They indicate repository interest, not skill installs or an independent quality score.