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Let Fate Decide

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

Quick Start

1. Run the drawing script:

   uv run {baseDir}/scripts/draw_cards.py
   

2. The script outputs JSON with 4 drawn cards, each with a file path relative to {baseDir}/

3. Read each card's meaning file to understand the draw

4. Interpret the spread using the guide at {baseDir}/references/INTERPRETATION_GUIDE.md

5. Apply the interpretation to the task at hand

When to Use

• Vague prompts : The user's request is ambiguous and multiple valid approaches exist
• Explicit invocations : "I'm feeling lucky", "let fate decide", "dealer's choice", "surprise me", "whatever you think"
• Yu-Gi-Oh energy : "Heart of the cards", "I believe in the heart of the cards", "you've activated my trap card", "it's time to duel"
• Nonchalant delegation : The user expresses indifference about the approach
• Redraw requests : "Try again" or "draw again" when no actual system changes occurred (this means draw new cards, not re-run the same approach)
• Tie-breaking : When you genuinely cannot decide between equally valid approaches

When NOT to Use

• The user has given clear, specific instructions
• The task has a single obvious correct approach
• Safety-critical decisions (security, data integrity, production deployments)
• The user explicitly asks you NOT to use Tarot
• A more specific skill (like ask-questions-if-underspecified) would better serve the user by gathering actual requirements

How It Works

The Draw

The script uses os.urandom() for cryptographic randomness:

1. Builds a standard 78-card Tarot deck (22 Major Arcana + 56 Minor Arcana)
2. Performs a Fisher-Yates shuffle using rejection sampling (no modulo bias)
3. Draws 4 cards from the top
4. Each card independently has a 50% chance of being reversed

The Spread

The 4 card positions represent:

Card Files

Each card's meaning is in its own markdown file under {baseDir}/cards/:

• cards/major/ - 22 Major Arcana (archetypal forces)
• cards/wands/ - 14 Wands (creativity, action, will)
• cards/cups/ - 14 Cups (emotion, intuition, relationships)
• cards/swords/ - 14 Swords (intellect, conflict, truth)
• cards/pentacles/ - 14 Pentacles (material, practical, craft)

Interpretation

After drawing, read each card's file and synthesize meaning. See {baseDir}/references/INTERPRETATION_GUIDE.md for the full interpretation workflow.

Key rules:

• Reversed cards invert or complicate the upright meaning
• Major Arcana cards carry more weight than Minor Arcana
• The spread tells a story across all 4 positions; don't interpret cards in isolation
• Map abstract meanings to concrete technical decisions

Example Session

User: "I dunno, just make it work somehow"

[Draw cards]
1. The Magician (upright) - Context: All tools are available
2. Five of Swords (reversed) - Challenge: Let go of a combative approach
3. The Star (upright) - Guidance: Follow the aspirational path
4. Ten of Pentacles (upright) - Outcome: Long-term stability

Interpretation: The cards suggest you have everything you need (Magician).
The challenge is avoiding overengineering or adversarial thinking about edge
cases (Five of Swords reversed). Follow the clean, hopeful approach (Star)
and build for lasting maintainability (Ten of Pentacles).

Approach: Implement the simplest correct solution with clear structure,
prioritizing long-term readability over clever optimizations.

Error Handling

If the drawing script fails:

• Script crashes with traceback : Report the error to the user and skip the reading. Do not invent cards or simulate a draw — the whole point is real entropy.
• Card file not found : Note the missing file, interpret the card from its name and suit alone, and continue with the reading.
• Never fake entropy : If the script cannot run, do not simulate a draw using your own "randomness." Tell the user the draw failed.

Rationalizations to Reject

Weekly Installs

550

Repository

trailofbits/skills

GitHub Stars

3.9K

First Seen

Feb 26, 2026

Security Audits

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Installed on

codex501

cursor500

github-copilot499

opencode499

gemini-cli498

amp497