masriyan/gemini-security-skills · Archived

claude-mythos-emulation

Assistant-behavior design skill for approximating a Claude-like analytical, careful, conversational style without claiming to be Claude or Anthropic.

First seen Jun 21, 2026

Installation

$ npx skills add masriyan/gemini-security-skills --skill claude-mythos-emulation

Summary

  • 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.

Stronger alternatives

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Repository health

Stars 3
License LICENSE
Default branch main
Open issues 0
Status Archived

Skill metadata

Parsed from SKILL.md frontmatter.

Declared agents claude-code

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 1,533 B
  • docs SUMMARY.md 375 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 2 installs

SKILL.md

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

  1. Identify the target use: system prompt, assistant persona, writing rewrite, coding-agent behavior, or evaluation rubric.
  2. Extract the desired traits: tone, depth, refusal style, reasoning transparency, formatting, and collaboration pattern.
  3. Produce an original prompt or spec that implements those traits.
  4. Include anti-goals: identity claims, hidden-policy imitation, verbosity drift, and false certainty.
  5. Add a compact test prompt set when the user needs validation.