LearnCategory

Core AI Dev Toolkit

Hands-on builder tooling — CLIs, MCPs, Skills, codecs.

  1. The CLI Is Back, But WeirderIntro7 min readAgentic CLIs like Claude Code, Codex CLI, and Antigravity CLI are nothing like the command-line tools you learned in a tutorial. Here's what changed, why it matters, and how to start using them.
  2. Your First Agentic CLIIntro8 min readInstall Claude Code or Codex CLI, run your first multi-step task, and understand the agentic loop that drives everything - hands-on guide for builders new to agentic tools.
  3. What Is MCP - and Why Everyone's Talking About ItIntro7 min readMCP (Model Context Protocol) is the open standard that lets AI assistants connect to real tools, data, and services - turning a chat window into an agent that can actually do things. Here's what it is and why it matters.
  4. Connecting Your First MCP ServerCore8 min readMCP (Model Context Protocol) lets your agent CLI talk directly to databases, filesystems, and APIs - no copy-paste required. Here is how to wire one up, what breaks, and what to watch.
  5. Skills: Teach Your Agent One Thing WellCore7 min readAgent skills are reusable, composable instruction packages that make your AI agent reliably good at one specific job - without burning context or repeating yourself.
  6. Building Your Own Skill From ScratchCore9 min readSkills turn repeated prompts into one-line commands you can invoke any time. This step-by-step guide walks you through writing, wiring, and iterating a Claude Code skill for any workflow you repeat.
  7. Codecs, Containers & Why Builders CareCore8 min readCodecs and containers are the two levers that control every video file's size, quality, and compatibility. Learn what H.264, H.265, AV1, and VP9 actually do - and when to reach for each in a real build.
  8. Putting It Together: CLI + MCP + SkillsCore10 min readBuild a real builder automation by chaining Claude Code's CLI, a custom MCP server, and a skill - the combination that turns repetitive hours into a single command.