Sources
Initial Sources
Section titled “Initial Sources”- Andrew Ng, The AI Engineering Skills Map (2026).
- Andrew Ng, Writing overview and detailed follow-up on building and deploying AI applications (2026).
- Andrew Ng, AI Engineering Skills Map: Building and Deploying AI Applications (2026).
- OpenAI, Codex best practices.
- OpenAI, Custom instructions with AGENTS.md.
- OpenAI, Customization: project guidance, skills, MCP and subagents.
- OpenAI, Subagents.
- OpenAI, Codex configuration reference.
- OpenAI, Evaluation best practices.
- Anthropic, Claude Code overview.
- Anthropic, How Claude remembers your project.
- Anthropic, Create custom subagents.
- Google Cloud, Gemini Code Assist agent mode overview.
- Google Cloud, Use Gemini Code Assist agent mode.
- Google Cloud, Gemini Code Assist code customization overview.
Source Maintenance Note
Section titled “Source Maintenance Note”The field changes rapidly. Tool-specific configuration and product behaviour should be dated and periodically verified against primary documentation. The conceptual distinction between problem shaping, AI application behaviour, software quality and agent-assisted implementation is intended to remain more durable.