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Found 408 Skills
Transform documents into styled article series. Analyze input (md, txt, pdf, docx, pptx, xlsx, html, epub, images, url), extract core ideas, decompose into logical sections, write articles with user-selectable styles (professional, casual, custom), synthesize into organized output. Uses Docling for high-quality document conversion. Handles large documents with hierarchical summarization. Output to docs/generated/.
This skill should be used when converting documents between formats (Markdown, DOCX, PDF, HTML, LaTeX, etc.) using pandoc. Use for format conversion, document generation, and preparing markdown for Google Docs or other word processors.
EDA toolkit. Analyze CSV/Excel/JSON/Parquet files, statistical summaries, distributions, correlations, outliers, missing data, visualizations, markdown reports, for data profiling and insights.
Check and configure cache-busting strategies for Next.js and Vite projects
Property-based testing with fast-check (TypeScript/JavaScript) and Hypothesis (Python). Generate test cases automatically, find edge cases, and test mathematical properties. Use when user mentions property-based testing, fast-check, Hypothesis, generating test data, QuickCheck-style testing, or finding edge cases automatically.
Modern PowerShell security practices including SecretManagement, JEA, WDAC, and credential protection
Use when asked about "marketplace strategy", "chicken and egg problem", "liquidity", "two-sided market", "tipping a marketplace", "GMV growth", or "Sarah Tavel marketplaces". Helps founders and product leaders build defensible marketplace businesses by sequencing supply and demand. The Hierarchy of Marketplaces framework (created by Sarah Tavel / Benchmark) provides a progression from focused launch to market dominance.
Manage git-tracked directories correctly - never create .gitkeep files in directories that will immediately contain tracked files
HTTP API testing for TypeScript (Supertest) and Python (httpx, pytest). Covers REST APIs, GraphQL, request/response validation, authentication, and error handling. Use when user mentions API testing, Supertest, httpx, REST testing, endpoint testing, HTTP response validation, or testing API routes.
Use when asked to "position my product", "positioning canvas", "differentiate from competitors", "figure out our category", "repositioning", or "why customers should pick us". Helps define competitive alternatives, differentiated value, target customers, and market category. April Dunford's positioning framework from "Obviously Awesome" makes your product's value obvious to the right customers.
Ensures tasks are genuinely resolved before marking them done. Activates at task checkpoints during plan execution — validates that fixes actually work, tests genuinely pass, and acceptance criteria are met. Prevents premature completion declarations.
Commit message conventions, staging practices, and commit best practices. Covers conventional commits, explicit staging workflow, logical change grouping, humble fact-based communication style, and automatic issue detection. Use when user mentions committing changes, writing commit messages, git add, git commit, staging files, or conventional commit format.