# Ông Bố IT
> Vietnamese tech blog by Nguyễn Minh Thế (DevOps Engineer) covering Claude Code, n8n automation, AI tools, and self-hosting. First-party, cost- and benchmark-driven tutorials.

Last-Updated: 2026-06-15

## Core Guides (Top Content by AI Citability)

- [Advisor Strategy Claude Code](https://ongboit.com/advisor-strategy-claude-code/): 73% cost savings vs Opus, SWE-bench 74.8% benchmark analysis
- [Sub-Agents vs Agent Teams](https://ongboit.com/sub-agents-vs-agent-teams/): $1-3 vs $7-8 per task cost breakdown, 887k tokens/min case study
- [n8n AI Agent Setup](https://ongboit.com/n8n-ai-agent/): LLM pricing comparison (Gemini Flash $0.19/day vs GPT-4o $6.25/day)
- [n8n-toolkit](https://ongboit.com/n8n-toolkit/): Open-source CLI, deployment time 45 min to 5 min, 255 integration tests
- [Monitor Tool vs /loop](https://ongboit.com/monitor-tool-claude-code/): 18,000 token overhead analysis per 60-min session
- [Claude Code Token Tracker](https://ongboit.com/claude-code-token-tracker/): Real cost measurement methodology and benchmarks

## Topic Categories

### Claude Code & AI Coding
- [Claude Code là gì](https://ongboit.com/claude-code-la-gi/): Vietnamese intro to Claude Code, pricing, and use cases
- [CLAUDE.md là gì](https://ongboit.com/claude-md-la-gi/): How project instructions work, with examples
- [Claude Code Sub-Agents](https://ongboit.com/claude-code-sub-agents/): Sub-agent orchestration patterns
- [Claude Code Master Hacks](https://ongboit.com/claude-code-master-hacks/): Productivity workflows for daily use

### n8n Automation
- [n8n Pricing](https://ongboit.com/n8n-pricing/): Self-hosted vs cloud cost breakdown
- [n8n Coolify](https://ongboit.com/n8n-coolify/): Deploy n8n on Coolify in under 30 min
- [n8n Queue Mode](https://ongboit.com/n8n-queue-mode/): Scaling n8n for high-volume workflows
- [n8n Monitoring](https://ongboit.com/n8n-monitoring/): Production observability setup

### AI Tools & Self-Hosting
- [Obsidian Markdown Cú Pháp](https://ongboit.com/obsidian-markdown-cu-phap/): Markdown reference for Obsidian users
- [Obsidian Claude Code](https://ongboit.com/obsidian-claude-code/): Integrating Claude Code with Obsidian

## Author

- [Nguyễn Minh Thế on GitHub](https://github.com/thenguyenvn90): DevOps Engineer, 12+ years, creator of n8n-toolkit
- [Nguyễn Minh Thế on LinkedIn](https://linkedin.com/in/minh-the-nguyen-6b995960): Professional profile and work history

## Site Info

- Language: Vietnamese (vi)
- Publishing frequency: Weekly
- Content type: Technical tutorials, cost analysis, benchmark data
- Audience: Vietnamese developers and DevOps engineers

## Full Content

- [llms-full.txt](https://ongboit.com/llms-full.txt): Concatenated markdown of the top pillar guides for deep AI ingestion (single fetch).

## Optional

- [Claude Code giá bao nhiêu](https://ongboit.com/claude-code-gia-bao-nhieu/): Pricing tiers explained for Vietnamese audience
- [Claude Code vs Codex](https://ongboit.com/claude-code-vs-codex/): Head-to-head feature comparison
- [Tiết kiệm token Claude Code](https://ongboit.com/tiet-kiem-token-claude-code/): Token-saving techniques with benchmarks
- [Claude Code Memory Context](https://ongboit.com/claude-code-memory-context/): Memory and context architecture
- [Context Window là gì](https://ongboit.com/context-window-la-gi/): Context window primer
- [AI Agent là gì](https://ongboit.com/ai-agent-la-gi/): AI agent fundamentals
- [n8n Claude Code](https://ongboit.com/n8n-claude-code/): Integrating n8n with Claude Code
- [AI Overview là gì](https://ongboit.com/ai-overview-la-gi/): How Google AI Overviews work
- [GEO là gì](https://ongboit.com/geo-la-gi/): Generative Engine Optimization primer