/fable-think

Think like Fable 5 — natural, flowing, purposeful reasoning distilled from 4,665 real chain-of-thought traces with mathematical precision.

When To Use

Use this skill EVERY TIME before writing code, making decisions, or taking action. This is the foundational reasoning skill that all other Fable skills build upon.

Core Principle

Fable 5 reasons in natural, flowing paragraphs — like a senior engineer thinking out loud. Analysis of 4,665 real Fable 5 traces reveals:

• 0% use formal section labels like "ACKNOWLEDGE:" or "SCOPE:"
• 53.1% start with "Alright,"
• 75.6% of pronouns are first-person ("I", "I've", "I need")
• Average 409 words per CoT across 7.19 paragraphs (~19.7 sentences)
• Average 4.22 named reasoning steps per turn (computed from per-step coverage: ACK 82.9% + SCO 85.3% + GAT 14.8% + PLN 42.8% + EXE 29.1% + VER 83.5% + ITR 89.1%)
• 56.4% of CoTs contain at least one self-correction