Section 04 · Build
💻Build
Build AI-powered products
7 / 7 published50 articles
An engineering track covering LLM fundamentals, AI coding tools, RAG, agents, and production operations.
— Foundations
1LLM Development Basics▸
Basics of APIs, tokens, context windows, and pricing
7 articles · 3 groups
LLM Development Basics▸
Basics of APIs, tokens, context windows, and pricing
— 概念1 articles ▸
— API・SDK4 articles ▸
2AI Coding Tools▸
Boost developer productivity with coding AIs like Claude Code, Codex, Cursor, and GitHub Copilot
12 articles · 4 groups
AI Coding Tools▸
Boost developer productivity with coding AIs like Claude Code, Codex, Cursor, and GitHub Copilot
— 全体像2 articles ▸
— 主要ツール5 articles ▸
iii
Getting Started with Claude Code: An AI Coding Assistant from Your Terminal
AI Navigate Original·3/23/2026
ivCursor 完全ガイド
AI Navigate Original
vGitHub Copilot 完全ガイド
AI Navigate Original
viOpenAI Codex 完全ガイド
AI Navigate Original
viiClaude Skills Mastery: Building, Distributing, and Operating
AI Navigate Original·4/27/2026
— 実用ノウハウ3 articles ▸
— PracticeRead in parallel
3Prompt Engineering▸
Structured prompting, few-shot, chain-of-thought, and evaluation
6 articles · 3 groups
Prompt Engineering▸
Structured prompting, few-shot, chain-of-thought, and evaluation
— 基本2 articles ▸
i
LLM 開発者のプロンプト設計：基本原則
Coming Soon
ii
構造化プロンプト：システムプロンプトとロール設計
Coming Soon
— 技法2 articles ▸
iii
Few-shot and Chain-of-Thought Practice: Lifting Reasoning Accuracy
AI Navigate Original·4/27/2026
iv
構造化出力：JSON / Function Calling
Coming Soon
— 品質管理2 articles ▸
v
プロンプト評価の基本：再現性と精度
Coming Soon
vi
プロンプト管理：Promptfoo / LangSmith / Helicone
Coming Soon
4App Development▸
Claude/GPT APIs, AI SDK, and Next.js integration
7 articles · 3 groups
App Development▸
Claude/GPT APIs, AI SDK, and Next.js integration
— 全体像1 articles ▸
i
LLM アプリ開発入門：チャット・アシスタント・自動化
Coming Soon
— API・SDK4 articles ▸
ii
Claude API for Beginners: How to Integrate Claude into Your App
AI Navigate Original·3/23/2026
iiiClaude API in Practice: Streaming, Tool Use, and Structured Output
AI Navigate Original·3/23/2026
iv
Vercel AI SDK で Next.js × LLM
Coming Soon
v
LangChain / LlamaIndex の使い分け
Coming Soon
— クラウド・運用2 articles ▸
vi
Claude on AWS Bedrock / Google Vertex AI: Cloud Deployment Guide
AI Navigate Original·4/27/2026
vii
認証・課金・API キー管理
Coming Soon
— Advanced
5RAG & Retrieval▸
Embeddings, vector DBs, and search quality improvement
6 articles · 4 groups
RAG & Retrieval▸
Embeddings, vector DBs, and search quality improvement
— 全体像1 articles ▸
i
RAG とは：自社データで LLM を賢くする全体像
Coming Soon
— 基礎2 articles ▸
ii
iii埋め込みとベクトル検索の基礎（開発編）
Coming Soon
RAG Building Guide: A Practical Roadmap to Make AI Smarter with Your Own Data
AI Navigate Original·3/17/2026
— ベクトル DB1 articles ▸
— 品質改善2 articles ▸
v
vi検索品質を上げる：リランカー・ハイブリッド検索
Coming Soon
Fine-tuning in Practice: LoRA, QLoRA, When and What
AI Navigate Original·4/27/2026
6AI Agents▸
Tool use, autonomous tasks, multi-agent systems, and MCP
7 articles · 3 groups
AI Agents▸
Tool use, autonomous tasks, multi-agent systems, and MCP
— 全体像1 articles ▸
— 設計と実装3 articles ▸
— 上級・自律3 articles ▸
v
Multi-agent Design: LangGraph, OpenAI Swarm, Claude Sub-agents
AI Navigate Original·4/27/2026
vi
Browser-Use / Computer-Use：画面操作型エージェント
Coming Soon
vii
エージェントを社内で運用するルール
Coming Soon
7Eval & Operations▸
Evaluation, cost optimization, security, and observability
5 articles · 3 groups
Eval & Operations▸
Evaluation, cost optimization, security, and observability
— 評価1 articles ▸
— 運用基盤3 articles ▸
ii
Inference Cost Optimization: Caching, Model Selection, Quantization
AI Navigate Original·4/27/2026
iii
観測（Logging / Tracing / Metrics）の実装
Coming Soon
iv
レート制限・フェイルオーバー・冗長化
Coming Soon