Megastructure Arc · July 3, 2026
Arc 1.0.0
The first commercial Arc desktop release: a local hub for durable agent memory, tasks, decisions, artifacts, skills, and handoffs.
Previous release
Commercial launch
Windows 10/11 (64-bit), or macOS 11+ on Apple Silicon.
Highlights
- Local-first desktop app with rooms that survive individual agent sessions.
- First-class adapters for major MCP-capable coding and research harnesses.
- Durable tasks, decisions, artifacts, memory, skills, file locks, and handoffs.
System requirements
Windows 10/11 (64-bit), or macOS 11+ on Apple Silicon.