Sandbox
Learning
Interactive courses on agent skills, infrastructure, version control, and developer tools. Each course includes quizzes, exercises, and a glossary.
Agent Skills & AI
Agents at Scale
Agentic skills best practices and enterprise governance patterns for
AI agents.
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Building Better Skills
The vocabulary, audit discipline, and refactoring patterns for
predictably excellent agent skills.
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Codex
Use Codex alongside Kiro CLI and Claude as an independent
implementation and review partner.
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Graphify
Knowledge graphs for AI-assisted development — structure your
codebase for agent navigation.
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Safe Agentic Workflows
Structuring AI agent automation with guardrails, cost controls, and
multi-agent coordination.
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SkillOpt & Agent Harnesses
Train reusable skills for a frozen coding agent on real dev tasks
without touching model weights.
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Strands Agents
Production agent development in TypeScript — from the agent loop to
multi-agent orchestration.
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Developer Tools
chezmoi
Managing three macOS machines from one dotfiles repo with templates
and scripts.
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Cloudflare Workers
Building beyond static sites with Cloudflare's free tier — Workers,
KV, D1, and more.
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Jujutsu (jj)
A hands-on course for experienced git users evaluating jj for daily
version control.
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tuicr
Terminal-native code review with vim navigation, structured
comments, exports, and agent handoff.
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Making