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MyAI
Practical knowledge for development, product planning, marketing, deployment and operations, and starting a business, organized with structure and sources. Every document states its reference date and official sources.
Using AI
How to put AI agents such as Claude Code and Codex into a real development process
- AI development overview
- Developing with Claude Code + Codex
- Session · Agent · Subagent
- Multi-agent roles and model routing
- Self-improving development
- Claude Code as a Git client
- Agent Setup Map
- Instructions and Memory
- Permissions, Sandbox, Hooks
- Subagents, Skills and Plugins
- MCP and External Tools
- Headless, CI and Cloud Runs
- Principles of AI Token Efficiency
- Saving Tokens in Practice
- Layers of AI Engineering: Prompt, Context, Harness
- Loop Engineering
- Reverse Engineering: Law and Lawful Uses
Using Git
Understanding Git from repository internals to collaboration, recovery and automation
- The big picture of Git
- Repository · Object · Branch
- HEAD · Checkout · Detached HEAD
- Understanding worktrees
- Remote · Fetch · Pull · Push
- Stash · Restore · Revert · Discard
- Merge · Rebase · Cherry-pick
- Collaboration · PR · Code review
- GitHub Actions · Hooks · Cron
- Build directories and worktree storage
- Practical workflows
AI Map
A catalog and guides for finding AI tools by role and how they run
Product Planning & Operations
Product operations: a Product Owner's decisions, backlog, delivery and metrics
Marketing
Customer research, positioning, channels, AI search, measurement and advertising rules
Platform Deployment & Services
Choosing deployment targets, CI/CD, release strategies, app stores, observability, security and cost
Business
Business registration, legal and tax basics for starting a software business in Korea
- Business Track Overview
- Sole Prop · Corporation · VAT Type
- Registration · Mail-Order Sales
- Terms · Privacy · E-Commerce
- Contracts · IP · Open Source
- Hiring · Social Insurance · Freelancers
- VAT · Zero Rate · Tax Invoices
- Income Tax · Corporate Tax · Withholding · Books
- Startup Relief · Tax Calendar · Accountants
- Startup Support Programs
Solo Studio Monetization
Economics and portfolio management for a solo studio that builds fast with AI: what to pick, how to ship it and how to earn from it
- Solo Studio Monetization Overview
- The Economics of a Solo Studio
- Product Portfolio Theory
- Choosing Opportunities and Validating Demand
- Revenue Models: An Introduction
- Advertising Revenue in Depth
- Paid Sales, Subscriptions and Pricing
- Game Monetization
- A Shipping System
- Measurement and Portfolio Decisions
- A 90-Day Plan, Worked Through