What Is the Purpose of SKILL.md in the Humanizer Project?

SKILL.md serves as the single source of truth for the Humanizer agent, containing the complete YAML metadata, natural-language instructions, and 35 numbered rewrite patterns that transform AI-generated text into natural-sounding prose.

In the blader/humanizer repository, SKILL.md functions as the core skill definition that agents read and execute when humanizing content. This file encodes the specific behaviors, voice-matching guidelines, and output conventions that distinguish robotic text from authentic human writing.

Core Components of SKILL.md

Metadata and Version Control

The file opens with structured metadata that tooling uses to identify the skill's current iteration. According to the source at lines 9-11, the metadata.version field is set to "2.11.2", allowing agents to verify compatibility before processing text.

Skill Description and Goals

Lines 13-15 contain the foundational description explaining the skill's primary objective: rewriting AI-sounding prose so it sounds natural without altering the underlying meaning. This section establishes the constraints and philosophical approach that guide all subsequent pattern applications.

Rewrite Patterns and Agent Instructions

Beginning at line 48, SKILL.md encodes the complete set of 35 numbered rewrite patterns that drive agent behavior. These rules cover voice-matching guidance, output-format conventions, and specific linguistic transformations. Any agent loading this file—whether Claude, OpenAI, or custom implementations—follows these concrete patterns when processing input text.

How Agents Load and Use SKILL.md

Agents consume SKILL.md as a configuration and instruction set, typically reading the file at runtime to initialize their behavior.

For OpenAI-based agents, registration occurs through a YAML configuration file:

# agents/openai.yaml – registering the Humanizer skill

name: humanizer
description: Rewrite AI‑sounding text to sound natural.
skillFile: SKILL.md

For Claude integrations, the skill is exposed via a JSON manifest:

{
  "metadata": {
    "name": "humanizer",
    "version": "2.11.2"
  },
  "skill": {
    "path": "SKILL.md"
  }
}

When invoking the skill programmatically, developers can load SKILL.md directly into the system prompt:

# Example: invoking Humanizer from Python (using the OpenAI API)

import openai

prompt = """Please humanize the following paragraph:\n
AI‑generated text goes here..."""

response = openai.ChatCompletion.create(
    model="gpt-4o",
    messages=[{"role": "system", "content": open("SKILL.md").read()},
              {"role": "user", "content": prompt}]
)

print(response.choices[0].message.content)

Relationship to Other Project Files

While SKILL.md contains the authoritative skill definition, it operates within an ecosystem of supporting files:

• README.md: Provides installation and usage guides while keeping version and pattern tables synchronized with SKILL.md
• scripts/validate-package.py: Validates consistency between the skill definition and related files before publication
• .claude-plugin/plugin.json: Declares the skill path for Claude agents, pointing specifically to SKILL.md
• agents/openai.yaml: Demonstrates registration patterns for OpenAI-based implementations

Summary

• SKILL.md acts as the single source of truth for the Humanizer agent's behavior
• The file contains YAML metadata including version 2.11.2 for tooling compatibility
• 35 numbered rewrite patterns starting at line 48 define the concrete transformations applied to AI-generated text
• Agents load this file at runtime to initialize their system prompts and processing rules
• Helper scripts like validate-package.py ensure the skill definition remains consistent across the project

Frequently Asked Questions

What format does SKILL.md use?

SKILL.md uses a hybrid format beginning with YAML frontmatter for metadata (lines 9-11), followed by natural-language descriptions (lines 13-15), and concluding with structured numbered patterns for rewrite rules (starting at line 48).

Can I use SKILL.md with any AI agent?

Yes. The file is designed as a portable skill definition that any agent capable of reading system instructions can consume, including Claude, OpenAI models, and custom implementations. The agents/openai.yaml and .claude-plugin/plugin.json files demonstrate platform-specific registration methods.

How many rewrite patterns are defined in SKILL.md?

The file contains 35 numbered rewrite patterns that cover voice-matching guidelines, output-format conventions, and specific linguistic transformations to humanize text.

Does modifying SKILL.md affect the entire project?

Yes. Because scripts/validate-package.py validates the skill against other project files, and because agents load this file directly at runtime, changes to SKILL.md immediately impact how all integrated agents process text. The README.md should be updated in parallel to maintain synchronization.

{
  "mcpServers": {
    "instagit": {
      "command": "npx",
      "args": ["-y", "instagit@latest"]
    }
  }
}