jona

Best practices for using Claude Code effectively based on insights from its creator Boris Cherny. Trigger this skill when users ask about optimizing Claude Code usage, configuring CLAUDE.md files, using plan mode, working with sub-agents, understanding Claude…

Provides François Chollet's framework for understanding intelligence, AGI development paths, and the limitations of current AI approaches. Use this skill when users ask about- (1) What intelligence really means and how to define AGI, (2) Why scaling…

Guide for building successful AI startups based on Jake Heller's Casetext journey ($650M exit). Use when users need help with- (1) Selecting AI startup ideas by identifying jobs people pay humans to do, (2) Building reliable AI products through systematic…

Strategic framework for evaluating and building B2B AI startups based on Aaron Levie's insights from building Box through the cloud transformation. Use when founders or advisors need to - (1) Evaluate AI startup ideas for defensibility and market timing, (2)…

Strategic guidance for building developer tools and AI-first products, derived from Michael Truell's experience building Cursor. Use when- (1) Evaluating whether to enter a market with established competitors, (2) Deciding between product improvement vs…

Explains Andrej Karpathy's framework for understanding the three paradigms of software (1.0- traditional code, 2.0- neural network weights, 3.0- LLM prompts). Use when users ask about software paradigm shifts, the evolution of programming, how LLMs fit into…

Apply Andrew Ng's startup building principles and AI-accelerated development strategies from AI Fund's experience launching ~1 startup per month. Use when users ask about startup execution speed, AI coding tools for faster prototyping, agentic AI workflows,…

Strategic guidance on AI scaling laws, capability trajectories, and building products at the frontier of AI capabilities. Use when users ask about AI scaling trends, capability forecasting, planning AI product development timelines, understanding pretraining…

CLI tool for crawling career pages and job aggregators. Use when the user asks to search for jobs, crawl career pages, find job listings, configure jobcrawl, add companies to config, run aggregator searches (YC), detect ATS providers, discover career page…

Implement the WICG HTML-in-Canvas API for rendering HTML/CSS content into 2D canvas, WebGL, and WebGPU contexts with full interactivity, accessibility, and transform synchronization. Use when: (1) drawing HTML elements into a canvas with drawElementImage(),…

Convert CSS colors between HSL and OKLCH color spaces with mathematical accuracy. Use when: (1) migrating a CSS codebase from HSL to OKLCH or vice versa, (2) the user asks to "convert colors", "hsl to oklch", "oklch to hsl", (3) adding new color values to an…

Export Claude Code sessions as readable markdown transcripts. Use when the user says 'seshi', 'export session', 'export transcript', 'save session', 'session to markdown', or wants to convert a past Claude Code conversation into a shareable document.