A Show HN post introduces Fence, described by its author as a “Jiminy Cricket for AI coding agents.” The framing suggests a tool intended to provide constraints, reminders, supervision, or behavioral guidance while coding agents execute tasks. However, the available Hacker News record is extremely sparse: the post has a score of 1 and no comments. No technical architecture, supported agents, evaluation results, repository details, or adoption evidence are provided in the supplied source, so its current maturity and practical value cannot yet be established.
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