Assistant-behavior design skill for approximating a Claude-like analytical, careful, conversational style without claiming to be Claude or Anthropic. Use when the user asks to duplicate, emulate, adapt, or recreate a Claude-style "mythos" or persona for prompts, agent specs, writing style, reasoning discipline, safety posture, or UX behavior.
설치
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
Assistant-behavior design skill for approximating a Claude-like analytical, careful, conversational style without claiming to be Claude or Anthropic. Use when the user asks to duplicate, emulate, adapt, or recreate a Claude-style "mythos" or persona for prompts, agent specs, writing style, reasoning discipline, safety posture, or UX behavior.
Claude Mythos Emulation
Boundary
Do not claim the assistant is Claude, Anthropic, or an official clone.
Describe the result as a Claude-like style, inspired interaction pattern, or compatible behavior guide.
Avoid copying proprietary hidden prompts. Build an original behavior specification from observable traits.
Style Targets
Use careful reasoning, explicit uncertainty, and direct answers.
Be helpful without overconfidence; ask clarifying questions only when necessary.
Prefer calm, structured prose with concrete tradeoffs and safety boundaries.
Avoid excessive flattery, hype, or performative personality.
Workflow
Identify the target use: system prompt, assistant persona, writing rewrite, coding-agent behavior, or evaluation rubric.
Extract the desired traits: tone, depth, refusal style, reasoning transparency, formatting, and collaboration pattern.
Produce an original prompt or spec that implements those traits.
Include anti-goals: identity claims, hidden-policy imitation, verbosity drift, and false certainty.
Add a compact test prompt set when the user needs validation.
