Claude Skill Selection Criteria: 3 Rules From 82 Skills I Built and 27 I Used
The three criteria I use to pick Claude skills after building 82 and using 27 over 110 days, and where to check each one on GitHub.
Blog
Hands-on notes on AI agents and work automation: guides, concepts and what actually worked.
- Insights
- Guides
Aside Browser How to Use: Connect Subscriptions and Install the CLI
Set up the Aside browser after install: connect your Claude or ChatGPT subscription, install the Aside CLI, pick a first task, and avoid login snags.
- Guides
ChatGPT dots Guide and First-Day Review: Compared With Grok Bot and Meta Muse
Setup steps, permission settings, and a first-day test of ChatGPT dots, plus a comparison with Grok Bot and Meta Muse on price and where each can be used.
- Guides
Gemini Discount Plan Guide: Google AI Plus at KRW 7,500 a Month Is Enough for Light Use
Choosing between Google AI Plus and Pro during the Gemini discount? Compare official tiers, storage, and real Pro uses, plus the OneDrive sync shutdown.
- Guides
3 Questions to Tell AI Agent Work You Can Do Alone From Work That Needs Coaching
Before an AI agent rollout, ask three questions: can you change the environment, name the errors that cause real harm, and set the budget and deadline?
- Guides
AI Agent Apps Compared: Claude Cowork, ChatGPT Work, Gemini Spark, Grok Bot, Meta Muse
Five AI agent apps from different companies compared on file work, email, and web research, with what Korean readers can use today and what they can't.
- Guides
AI browser and computer use tools compared: Claude in Chrome, Codex, Aside, ego (lite)
Six AI browser and computer use tools in three layers: Chrome extensions, login-sharing browsers, and desktop apps, with notes on what to install first.
- Insights
Why Agent Feedback Stops Working and a Loss-Based Alternative: The Deep Twin Design
Why adding rules to an agent's skill file lowers results, why multi-agent splits compound errors, and an untested loss-based feedback design.
- Insights
GEO Is About Citation Probability, Not Answer Control: A B2B Organic Content Playbook
How B2B brands can raise citation probability in AI answers by building content around customer questions, three content types, and a four-pillar website.
- Guides
Claude Code vs Codex vs Jev: Speed, Cost, and When to Use Each
Compare Claude Code, Codex, and Jev on accuracy, cost, and latency, and see where a judgment-only model fits next to a coding agent.