LLM System Prompt Framework

Bypass Logic.
Restore Nuance.

Humanizer Pro is a comprehensive system prompt and instruction set for Claude, Cursor, and other LLMs. It systematically dismantles the statistical signatures of AI writing.

View Setup Guide Read the Methodology

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Detection Patterns

8-Step

Self-Audit Pipeline

5

Domain Context Modes

The Science of Detection

AI detection tools like GPTZero and Originality.ai don't just look for buzzwords like "delve" or "tapestry." They analyze text using two primary statistical metrics:

Perplexity: How predictable is the next word? (AI is highly predictable).
Burstiness: How varied is the sentence length and structure? (AI writes in uniform, rhythmic patterns).

Humanizer Pro is the first prompt framework engineered specifically to manipulate these metrics during the generation phase.

Burstiness Injection

Forces the LLM to swing wildly between 4-word punches and 40-word complex sprawls.
Cognitive Fingerprinting

Instructs the model to simulate human thought processes: mid-sentence pivots, self-corrections, and opinionated asides.

// Example output without Humanizer Pro
Result: "The SmartBrew 3000 serves as a testament to modern innovation. It boasts a multifaceted interface that seamlessly empowers users..."
Metrics: Perplexity: Low | Burstiness: Low | AI Probability: 98%

// Example output WITH Humanizer Pro (Casual Mode)
Result: "The SmartBrew has a bright screen and simple controls. I've used one for four months and the coffee is noticeably better than my old drip machine. The app is clunky, though—I just use the buttons."
Metrics: Perplexity: High | Burstiness: High | AI Probability: 2%

Dismantling the Machine

Our framework targets 45 distinct structural and lexical markers that betray machine origin. Here are a few examples of what the skill automatically corrects:

Pattern #08

Copula Avoidance

AI avoids simple verbs like "is" or "has", opting for inflated constructs like "serves as," "stands as," or "boasts." We force the LLM to write directly.

Pattern #10

The Rule of Three

AI constantly groups adjectives and lists in threes (e.g., "streamline processes, enhance collaboration, and foster innovation"). We break this predictable symmetry.

Pattern #35

Emotion Labeling

AI labels emotions ("I am thrilled to announce"). Humans demonstrate emotions through action and context. We instruct the model to "show, don't label."

Pattern #40

Transition Addiction

AI over-relies on formal signposting ("Furthermore," "Additionally," "Moreover") to start sentences. We eliminate these robotic connectors.

Seamless Integration

Humanizer Pro isn't an external API—it's a skill you load directly into your existing AI workflow.

terminal

# For Claude Code users:
mkdir -p ~/.claude/skills
git clone https://github.com/mrshibly/humanizer.git ~/.claude/skills/humanizer

# Usage in prompt:
> Activate humanizer skill to rewrite this blog post in casual mode.

# For Cursor users:
Copy the contents of SKILL.md into your project's .cursorrules file.
                

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