0x12th/0x12th-playbooks
Practical engineering playbooks and agent skills for architecture, delivery, migration planning, technical decision-making, and software evolution.
Practical engineering playbooks and agent skills for architecture, delivery, migration planning, technical decision-making, and software evolution.
npx skills add 0x12th/0x12th-playbooksPractical engineering playbooks and agent skills for architecture, delivery, migration planning, technical decision-making, and software evolution.
Build internal tools and AI agents in Go — or just download and run Claude / Codex / Gemini as a Slack + Telegram + web agent host. No copy-pasting. You own the code.
Gemini CLI skills
A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).
Local first notebook for humans and agents
Agent skill that helps Claude Code, Codex, Gemini, and Cursor write correct Swift App Intents code for Siri, Shortcuts, Spotlight, widgets, Control Center, and Apple Intelligence.
Re-grow a SKILL.md loader + registry + matcher + linter from scratch in Go — one mechanism per chapter, each ending with an upstream content reading.