last night i got an agent to fork itself, propose a modification to itself on the fork, run through tests (sandbox, etc), and only accept th…

Yohei Nakajima describes a technical demonstration where an AI agent was configured to create a fork of itself, propose modifications to the forked version, execute tests in a sandboxed environment, and selectively integrate approved changes back into the original system. This approach represents a form of controlled self-modification and iterative improvement with safety constraints through testing and validation before acceptance.

Source: Yohei Nakajima (X) | 2026-05-23