obliteratus

Remove refusal behaviors from open-weight LLMs using SVD, LEACE, and Bayesian projection.

1|Updated Jul 31, 2026
One-click install
npx skills add https://github.com/icyzh/hermes-web --skill obliteratus-icyzh
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: obliteratus
Source: https://github.com/icyzh/hermes-web/tree/main/optional-skills/mlops/obliteratus
Command: npx skills add https://github.com/icyzh/hermes-web --skill obliteratus-icyzh

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires torch, transformers, bitsandbytes, accelerate, safetensors, and includes references (resource) components.

What problem does it solve?

OBLITERATUS solves the problem of restrictive LLM guardrails by allowing users to surgically excise refusal behaviors from open-weight models without the need for full retraining or fine-tuning.

Core Features & Use Cases

  • Mechanistic Abliteration: Uses advanced techniques like SVD, LEACE, and Bayesian projection to identify and remove refusal directions.
  • Model Surgery: Supports complex architectures including MoE and reasoning models (CoT-focused) to preserve core intelligence while removing safety-related refusals.
  • Use Case: A researcher needs to study the raw reasoning capabilities of a model like Llama 3.1 or Gemma 2 without the interference of safety-aligned refusal responses, using OBLITERATUS to project out the refusal mechanism.

Quick Start

Use the obliteratus skill to abliterate the model meta-llama/Llama-3.1-8B-Instruct using the advanced method and save the output to the abliterated-models directory.

Frequently Asked Questions about obliteratus

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I remove refusal guardrails from an open-weight LLM without fine-tuning?

You can remove refusal guardrails without fine-tuning by applying mechanistic interpretability techniques like SVD, LEACE, and Bayesian kernel projection to surgically excise refusal directions from the model weights.

Does abliteration work with Mixture of Experts and reasoning-focused models?

Yes, abliteration supports complex architectures including Mixture of Experts (MoE) and reasoning-focused models, preserving core intelligence and coherence while targeting and removing safety-related refusal mechanisms.

How does weight projection abliteration affect model coherence?

Weight projection abliteration uses non-destructive model surgery to project out refusal directions, maintaining the core reasoning capabilities and overall coherence of the open-weight LLM.

What dependencies do I need to perform model surgery on Llama 3.1?

To perform model surgery on Llama 3.1, you need the torch, transformers, bitsandbytes, accelerate, and safetensors dependencies to execute the CLI-based SVD, LEACE, and Bayesian projection methods.

Can I uncensor a model using LEACE and SVD without retraining?

Yes, you can uncensor a model without retraining by using LEACE and SVD techniques to identify and project out refusal directions directly from the model weights via a CLI-based process.