Homestead

Building a Local Multi-Agent Workflow with CrewAI

A practical walkthrough of Agent, Task, Crew, Process.sequential, and deterministic post-processing validation using CrewAI with a local Ollama model.

CrewAIMulti-AgentOllamaAI Workflow
Read

Understanding LlamaIndex Architecture Through a RAG Application

A practical tour of how Document, TextNode, VectorStoreIndex, StorageContext, PGVectorStore, and QueryEngine work together in a Chinese movie recommendation RAG demo.

RAGPostgreSQL + pgvectorLlamaIndex
Read

Understanding How Models Learn to Prefer Better Answers Through a DPO Alignment Demo

A practical DPO Alignment walkthrough that explains where Alignment fits in the LLM generation pipeline, how DPO data and training roles work, and how DPO differs from SFT.

DPOAlignmentSFTTRL
Read

LangGraph Workflow Basics: Understanding Node, State, and Edge Through a Story Demo

A practical walkthrough of a LangGraph story demo, explaining Node, State, and Edge and showing how AI workflows can support branching, loops, review, retries, and stop conditions.

LangGraphNodeStateEdgeAI Workflow
Read

Supervised Fine-Tuning: From SFT to LoRA Practice

A practical walkthrough of supervised fine-tuning with Llama 3.1, Colab, Unsloth, LoRA adapters, Alpaca-style data, checkpoints, and before/after evaluation.

SFTLoRAFine-TuningLlama 3.1Colab
Read

Modern Agent Architecture Explained

A practical explanation of modern agent architecture: model, tools, memory, planning, execution, governance, and a travel-planning agent example.

AI AgentAgent ArchitectureAgent SystemsAutomationTravel Agent
Read

Introducing MCP Proxy to an API Call Demo

Add an extensible MCP tool-calling path to an existing client-server API demo without breaking the original structure.

MCPMCP ProxyAPI Call DemoNode.jsMySQL
Read

From Chatting to Getting Things Done: AI Skills and Google Workspace

How reusable AI Skills turn instructions, tools and boundaries into dependable workflows across Google Workspace.

AI SkillGoogle WorkspaceAutomationWorkflow
Read

The Technical Architecture of a Personal Website

A right-sized blueprint for containers, reverse proxies, persistent data, backups and a reversible delivery pipeline.

Personal WebsiteDockerArchitectureDevOpsDeployment
Read

Telegram vs. Other Social and Messaging Platforms

From cloud sync, privacy models and large communities to bots, Mini Apps and AI agents: a practical comparison of Telegram, WhatsApp, Signal and Discord.

TelegramMessagingAI BotsSocial PlatformsAutomation
Read

The Industry Baseline for LLM Training Data Scale

From hundreds of billions to trillions of tokens: a practical map of LLM training-data scale, public facts, and industry estimates.

LLMTraining DataGPT-4Llama 3Foundation Models
Read

Skill Architecture Through a File Analysis Skill

A file-analysis skill example explaining how modern agents use metadata, SKILL.md, references, and scripts through progressive disclosure.

AI AgentAgent SkillsAgent ArchitectureProgressive DisclosureFile Analysis
Read