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Zeitgeist — a spike by Chris Gathercole
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I Open-Sourced My Own AFK Software Factory

YouTube · YouTube

  • Introduces Sandcastle, an open-source TypeScript library for orchestrating Claude Code and other coding agents in isolated sandboxes — enabling “AFK” (away-from-keyboard) autonomous development loops.
  • Sandboxed isolation is presented as necessary, not optional: agents need a clean environment to avoid polluting the working codebase while operating autonomously.
  • The framing of “software factory” positions this as infrastructure for multi-agent pipelines rather than single-session assistance — agents hand off work between stages rather than one agent doing everything.