Developers Call on Anthropic to Open-Source the Claude Code Harness

Developers express regret that the Claude Code harness is not open source, arguing custom harnesses are now a cornerstone of AI-native companies. They say they would build agent orchestrators on it if open-sourced, and currently rely mainly on Pi and Hermes Agent.

2026-08-22 ~ 2026-08-23 · 2 related posts