let-fate-decide

by trailofbits 6.6k CC-BY-SA-4.0 Updated Aug 18, 2026
let-fate-decide skill by trailofbits
let-fate-decide — Workflow skill by trailofbits

let-fate-decide is an open-source workflow skill for Claude Code and compatible agents, published by trailofbits. Its author describes it as: “Draws the 12 Houses of the Zodiac Tarot spread to inject entropy into planning when prompts are vague, ambiguous, or casually delegated. Interprets the spread to guide next steps. Use when the user says 'let fate deci…”. The project has 6.6k stars on GitHub and is available under the CC-BY-SA-4.0 license. Add it to your setup with `/plugin marketplace add trailofbits/skills`.

What let-fate-decide does

When the path forward is unclear, let the cards speak.

Installation

Add let-fate-decide to your agent with:

/plugin marketplace add trailofbits/skills

Always review a skill's source before installing it. This command comes from the skill's public repository; the linked repo is the source of truth for exact setup steps.

What's inside

The SKILL.md for let-fate-decide is organised into these sections:

  • Quick Start
  • When to Use
  • When NOT to Use
  • Security and Correctness Use
  • How It Works
  • The Draw
  • The Spread
  • Reference Files
  • Interpretation
  • Example Session (House-Level Fragment)
  • Error Handling
  • Rationalizations to Reject

When to use it

Reach for let-fate-decide when you want workflow help from your agent without writing the same instructions every session. Load the skill and the agent picks it up automatically for relevant tasks.

Strengths

  • Clear CC-BY-SA-4.0 license — safe to read and adapt
  • Ships in trailofbits/skills, an established project with 6,646 GitHub stars
  • Actively maintained (recent commits)

Topics

agent-skills

Frequently asked questions

What does let-fate-decide do?
Draws the 12 Houses of the Zodiac Tarot spread to inject entropy into planning when prompts are vague, ambiguous, or casually delegated. Interprets the spread to guide next steps. Use when the user says 'let fate decide', 'YOLO', 'whatever', 'idk', or other nonchalant phrases, makes Yu-Gi-Oh references, or when you are about to arbitrarily pick between multiple reasonable approaches. Prefer over asking clarifying questions when the user's tone is casual or playful rather than precision-seeking.
How do I install let-fate-decide?
Run /plugin marketplace add trailofbits/skills in your agent, then reload your skills. Review the source at https://github.com/trailofbits/skills before installing.
Is let-fate-decide free to use?
Yes. let-fate-decide is free and open source under the CC-BY-SA-4.0 license, so you can read, run, and adapt it within that license's terms.
Where does let-fate-decide come from?
let-fate-decide ships inside trailofbits/skills, a repository that contains 41 catalogued skills in total. The repository's 6,646 GitHub stars apply to that whole collection, not to this skill on its own.

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