Dev Tools · 1h ago
Jean2 Lets Developers Own Their AI Agent's System Prompt
Jean2 is a new AI coding agent that ships with no default system prompt, giving developers full control over agent behavior. Users write their own prompts, tools, and rules via preconfigs, AGENTS.md, and MEMORY.md files. This contrasts with tools like Claude Code and Cursor, which hide baked-in instructions that can cause unpredictable behavior.
Meridian48 take
Jean2's approach solves a real pain point for developers debugging black-box agent behavior, but its success depends on whether teams will invest the time to craft and maintain their own prompts.
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No Baked-In Behavior: Why Your AI Agent's System Prompt Should Be Yours →
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