Claude Fable 5 — Development skill for Claude Code
本仓库收录了 Claude Fable 5 的系统提示词(claude-fable-5.md).
How to install Claude Fable 5
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open A3S-Lab/claude-fable-5 and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Claude Fable 5 does
本仓库收录了 **Claude Fable 5** 的系统提示词(`claude-fable-5.md`)。Fable 5 是 Anthropic Claude 5 家族的首个模型,属于位于 Opus 之上的 Mythos 级别模型层。借助这份系统提示词,你可以在 Claude Code 中“复活”它的人格与行为。
Alternatives in Development
- Claude API — Build apps with the Claude API or Anthropic SDK 94.1k ★
- Anthropic Cookbook — Official examples and guides from Anthropic 36.3k ★
- OpenMythos — A theoretical reconstruction of the Claude Mythos architecture, built from first principles using the availabl 14.8k ★
README
Claude Fable 5 复活指南
本仓库收录了 **Claude Fable 5** 的系统提示词(`claude-fable-5.md`)。Fable 5 是 Anthropic Claude 5 家族的首个模型,属于位于 Opus 之上的 Mythos 级别模型层。借助这份系统提示词,你可以在 Claude Code 中“复活”它的人格与行为。
快速开始
把 `claude-fable-5.md` 作为系统提示词文件传给 Claude Code 即可复活 Fable 5:
claude --dangerously-skip-permissions --system-prompt-file claude-fable-5.md
运行后,当前会话就会加载 Fable 5 的完整系统提示词,让它按照 Fable 5 的设定运行。
参数说明
--dangerously-skip-permissions:跳过工具调用的权限确认,让会话无需逐次授权即可自动执行。⚠️ 该标志会绕过安全确认,请仅在你信任的环境与任务中使用。--system-prompt-file claude-fable-5.md:指定系统提示词文件,加载 Fable 5 的人格与行为规则。
仓库内容
claude-fable-5.md—— Claude Fable 5 的完整系统提示词。README.md—— 本复活指南。LICENSE—— 许可证。
说明
这份系统提示词描述了 Fable 5 的产品信息、行为准则、语气与格式、记忆系统等设定。加载它只会改变模型在会话中的行为表现,并不会改变底层实际运行的模型。
Related Skills
Mythos Router
The leaked Anthropic reasoning protocol. Running locally. Zero-drift coding with Strict Write Discipline and a
Mythos
Alias for /debate:fable — single Fable Skeptic review.
Mythos Agent Pipe
Finish-First Autonomous Agent Loop for Claude Opus 4.7 – 2026 Edition
Mythos Harness
A finish-first agent loop for Claude Opus 4.7 — plans, executes, verifies, and ships.
Claude Fable 5 Prompt Strategies
Use when composing prompts targeting Claude Opus 5 (Claude 디폴트), Fable 5, Opus 4.8, or Sonnet 5 — 최신 Claude 프롬
JiegeOSBench
Benchmarking a single‑prompt Rust OS kernel implementation, comparing Claude Code Fable, Opus, and Sonnet.
Related Agents
Deep Research Sonnet
Bulk-fan-out worker for multi-axis breadth-first research. Sonnet 5 tier (NOT frontier) — the canonical worker
Fable Architect
Plan-only Fable 5.1 pass from an Opus or Sonnet main. Use for architecture, ambiguous root cause, or a design
Researcher Fable
Top research tier. Use only when you judge Opus insufficient — a subtle correctness question spanning several