Everything Claude Code — Agent OS

A full AI operating system for Claude Code: 28 AI subagents (planner → reviewer → security), 100+ skills that teach your agent how to think, auto-memory with continuous learning, built-in testing + security checks, and a reported 60% token-cost reduction via harness-level optimization. Cross-platform: Claude Code, Codex, Opencode, Cursor. Installs via marketplace. Replaces one-off prompts with a persistent agent harness that composes skills, instincts, memory, and research-first development patterns.

Discovered on Twitter via @shedntcare_