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Found 405 Skills
Use when asked to calculate statistical power, determine sample size, or plan experiments for hypothesis testing.
Build and validate cron expressions from natural language. Convert between human-readable schedules and cron syntax with next run preview.
Cut video segments by timestamp, split videos into chunks, trim start/end, and extract specific scenes with precise frame control.
Analyze blog posts for SEO, readability, headline quality, and content structure. Generate meta tags and optimization recommendations with scoring.
Create project timeline Gantt charts with dependencies, milestones, and progress tracking. Supports static (PNG/SVG) and interactive (HTML) output.
Compare two datasets to find differences, added/removed rows, changed values. Use for data validation, ETL verification, or tracking changes.
Calculate statistical significance for A/B tests. Sample size estimation, power analysis, and conversion rate comparisons with confidence intervals.
Extract tables from PDFs and images to CSV or Excel. Support for scanned documents with OCR, multi-page PDFs, and complex table structures.
Use when asked to add text overlays, subtitles, or captions to videos with customizable positioning, styling, and timing.
Create interactive maps with markers, heatmaps, routes, and choropleth layers. Use when visualizing geographic data, plotting locations, or creating map-based reports.
Deterministic SVG generation, validation, and rendering. Use for icons, diagrams, charts, UI mockups, or technical drawings requiring structural correctness and cross-viewer compatibility.
Generate audio tones, noise, DTMF signals, and simple sound effects programmatically. Export to WAV or MP3 format.