Ponytail Intensity Modes Explained: lite, full, ultra, and off

Ponytail provides four intensity modes—lite, full, ultra, and off—that control how aggressively the tool checks for and removes over-engineered code, ranging from minimal essential checks to the complete rule set or complete disablement.

Ponytail is an open-source code-trimming tool by DietrichGebert that enforces minimal-code philosophy through configurable enforcement levels. The repository implements four distinct Ponytail intensity modes that let developers balance between protection and performance according to their workflow needs.

The Four Ponytail Intensity Modes

Ponytail’s intensity system is documented in README.md at line 323 and implemented across the command handlers and status-line scripts. Each mode determines which rules execute during code analysis.

lite Mode

The lite mode applies a minimal set of rules, retaining only the most essential checks. This configuration provides the lightest possible impact on your repository while still offering basic protection against over-engineering. Use this mode when you need fast feedback without comprehensive analysis.

full Mode (Default)

The full mode runs the standard, balanced rule set and serves as the default intensity when no argument is specified. According to the command definition in .opencode/command/ponytail.md, this mode enforces all normal Ponytail checks without the extra verbosity of higher intensities. Most users employ this setting for daily development.

ultra Mode

The ultra mode enables the highest-intensity rule set, activating every possible Ponytail rule to aggressively find and remove over-engineered code. When active, the status-line helper scripts in hooks/ponytail-statusline.sh and hooks/ponytail-statusline.ps1 highlight the prompt in amber to visually indicate this high-intensity state.

off Mode

The off mode disables Ponytail entirely, applying no rules and performing no analysis until a new intensity is selected. This setting effectively pauses the tool without uninstalling it from your environment.

How to Switch Between Intensity Modes

You control Ponytail intensity through the /ponytail slash command or equivalent CLI syntax. If you invoke the command without arguments, it displays the current mode; otherwise, it sets the specified intensity.

# Display current intensity setting

/ponytail

# Set specific intensity levels

/ponytail lite      # Minimal checks

/ponytail full      # Default rule set

/ponytail ultra     # Highest-intensity checks

/ponytail off       # Disable Ponytail completely

For programmatic control in JavaScript or Node environments, import the runCommand function from hooks/ponytail-activate.js:

import { runCommand } from "./hooks/ponytail-activate.js";

// Switch to ultra intensity
runCommand("ponytail", "ultra");

// Disable Ponytail
runCommand("ponytail", "off");

Visual Indicators in Ultra Mode

When ultra mode is active, the shell status-line scripts provide immediate visual feedback. In hooks/ponytail-statusline.sh, the implementation checks the current mode variable and applies amber coloring to flag the high-intensity state:

# Inside hooks/ponytail-statusline.sh

if [ "$MODE" = "ultra" ]; then
  # Apply amber color to indicate ultra mode

fi

This visual cue prevents accidental deployment of aggressive checks in production environments.

Where Intensity Modes Are Implemented

The intensity mode system spans several key files in the DietrichGebert/ponytail repository:

• README.md – Documents the four intensity modes and their behavioral differences at line 323.
• .opencode/command/ponytail.md – Defines the slash-command syntax for toggling between modes.
• hooks/ponytail-statusline.sh and hooks/ponytail-statusline.ps1 – Render the amber warning indicator when ultra mode is active.
• hooks/ponytail-mode-tracker.js – Persists the current intensity setting across terminal sessions.
• hooks/ponytail-activate.js – Exports the runCommand function for programmatic mode switching.

Summary

• lite applies minimal rules for the lightest performance impact.
• full (default) runs the standard balanced rule set suitable for most development workflows.
• ultra activates every rule and triggers amber status-line warnings in hooks/ponytail-statusline.sh.
• off completely disables the tool without uninstalling it.
• Switch modes using /ponytail [mode] or the runCommand API from hooks/ponytail-activate.js.

Frequently Asked Questions

What is the default Ponytail intensity mode?

The full mode is the default intensity when you run /ponytail without arguments or install the tool fresh. This balanced setting enforces standard rules without the performance cost of ultra mode or the minimal coverage of lite mode.

How does ultra mode differ from full mode?

Ultra mode activates every available Ponytail rule, making it significantly more aggressive at detecting over-engineered patterns than full mode. Additionally, ultra mode triggers amber highlighting in the status-line scripts to warn developers of the heightened inspection level.

Can I disable Ponytail without uninstalling it?

Yes. Set the intensity to off using /ponytail off or runCommand("ponytail", "off"). This stops all rule enforcement while preserving your configuration in hooks/ponytail-mode-tracker.js for easy reactivation later.

How do I check my current Ponytail intensity setting?

Run /ponytail without any arguments to display the active mode. The command reads the persisted state from hooks/ponytail-mode-tracker.js and outputs the current intensity level directly in your terminal.

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