Observed arrival · 2026-08-21
HEPHAUSTOS and the case for Level 3.5 autonomy
A German concept for locally operable software factories where coding agents build, test, repair, and stop for human approval.
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Why it surfaced
HEPHAUSTOS frames agentic development like autonomous driving, with five autonomy levels and a deliberately chosen “controlled sweet spot” at Level 3.5. Its proposed boundary is concrete: autonomous execution, a protected review layer the agent cannot alter, and a human gate before adoption.
A German concept for locally operable software factories where coding agents build, test, repair, and stop for human approval.
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