C3 (Context-Container-Component) architecture design methodology plugin for Claude Code
Latest release v11.6.3 — C3 v11.6.3 · 18 Jul 2026
3 files for Claude Code, Codex and OpenCode: c3-skill, c3-skill AGENTS.md, c3-skill CLAUDE.md — 2,400 tokens loaded in every session.
AGENTS.md A 593 tok CLAUDE.md A 1,807 tok .claude/settings.json A — These files are lagz0ne/c3-skill's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.