Instructions to use ahmedandaloes/NEXUS-Security-MLX-4bit with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use ahmedandaloes/NEXUS-Security-MLX-4bit with MLX:

# Make sure mlx-lm is installed
# pip install --upgrade mlx-lm

# Generate text with mlx-lm
from mlx_lm import load, generate

model, tokenizer = load("ahmedandaloes/NEXUS-Security-MLX-4bit")

prompt = "Write a story about Einstein"
messages = [{"role": "user", "content": prompt}]
prompt = tokenizer.apply_chat_template(
    messages, add_generation_prompt=True
)

text = generate(model, tokenizer, prompt=prompt, verbose=True)

Notebooks
Google Colab
Kaggle
Local Apps Settings
LM Studio

How to use ahmedandaloes/NEXUS-Security-MLX-4bit with Pi:

Start the MLX server

# Install MLX LM:
uv tool install mlx-lm
# Start a local OpenAI-compatible server:
mlx_lm.server --model "ahmedandaloes/NEXUS-Security-MLX-4bit"

Configure the model in Pi

# Install Pi:
npm install -g @mariozechner/pi-coding-agent
# Add to ~/.pi/agent/models.json:
{
  "providers": {
    "mlx-lm": {
      "baseUrl": "http://localhost:8080/v1",
      "api": "openai-completions",
      "apiKey": "none",
      "models": [
        {
          "id": "ahmedandaloes/NEXUS-Security-MLX-4bit"
        }
      ]
    }
  }
}

Run Pi

# Start Pi in your project directory:
pi

Hermes Agent new

How to use ahmedandaloes/NEXUS-Security-MLX-4bit with Hermes Agent:

Start the MLX server

# Install MLX LM:
uv tool install mlx-lm
# Start a local OpenAI-compatible server:
mlx_lm.server --model "ahmedandaloes/NEXUS-Security-MLX-4bit"

Configure Hermes

# Install Hermes:
curl -fsSL https://hermes-agent.nousresearch.com/install.sh | bash
hermes setup
# Point Hermes at the local server:
hermes config set model.provider custom
hermes config set model.base_url http://127.0.0.1:8080/v1
hermes config set model.default ahmedandaloes/NEXUS-Security-MLX-4bit

Run Hermes

hermes

OpenClaw new

How to use ahmedandaloes/NEXUS-Security-MLX-4bit with OpenClaw:

Start the MLX server

# Install MLX LM:
uv tool install mlx-lm
# Start a local OpenAI-compatible server:
mlx_lm.server --model "ahmedandaloes/NEXUS-Security-MLX-4bit"

Configure OpenClaw

# Install OpenClaw:
npm install -g openclaw@latest
# Register the local server and set it as the default model:
openclaw onboard --non-interactive --mode local \
  --auth-choice custom-api-key \
  --custom-base-url http://127.0.0.1:8080/v1 \
  --custom-model-id "ahmedandaloes/NEXUS-Security-MLX-4bit" \
  --custom-provider-id mlx-lm \
  --custom-compatibility openai \
  --custom-text-input \
  --accept-risk \
  --skip-health

Run OpenClaw

openclaw agent --local --agent main --message "Hello from Hugging Face"

MLX LM

How to use ahmedandaloes/NEXUS-Security-MLX-4bit with MLX LM:

Generate or start a chat session

# Install MLX LM
uv tool install mlx-lm
# Interactive chat REPL
mlx_lm.chat --model "ahmedandaloes/NEXUS-Security-MLX-4bit"

Run an OpenAI-compatible server

# Install MLX LM
uv tool install mlx-lm
# Start the server
mlx_lm.server --model "ahmedandaloes/NEXUS-Security-MLX-4bit"
# Calling the OpenAI-compatible server with curl
curl -X POST "http://localhost:8000/v1/chat/completions" \
   -H "Content-Type: application/json" \
   --data '{
     "model": "ahmedandaloes/NEXUS-Security-MLX-4bit",
     "messages": [
       {"role": "user", "content": "Hello"}
     ]
   }'

NEXUS-Security — MLX 4-bit

4-bit quantized MLX build of fableforge-ai/NEXUS-Security (Qwen2ForCausalLM, ~1.5B), for fast local inference on Apple Silicon.

Precision: 4-bit affine, group size 64.
Size: ~0.9 GB · retention: ~95-98%
Converted with: mlx-lm, mlx.

Weights unchanged from the source — format + precision conversion only.

Other builds

Build	Bits	Size
MLX-4bit	4	~0.9 GB
MLX-6bit	6	~1.3 GB
MLX-8bit	8	~1.7 GB
MLX-bf16	bf16	~3 GB

GGUF builds (llama.cpp/Ollama): King3Djbl/nexus-security-GGUF.

Usage

pip install mlx-lm

from mlx_lm import load, generate
model, tok = load("ahmedandaloes/NEXUS-Security-MLX-4bit")
msgs=[{"role":"user","content":"Name one common web vulnerability."}]
p=tok.apply_chat_template(msgs, add_generation_prompt=True)
print(generate(model, tok, prompt=p, max_tokens=256, verbose=True))

Attribution & license

Source: fableforge-ai/NEXUS-Security · base Qwen/Qwen2-1.5B
License Apache-2.0 (verify against source). MLX build for the Apple Silicon community.
For authorized security work only.

Downloads last month: -

Safetensors

Model size

0.2B params

Tensor type

BF16

U32

MLX

Hardware compatibility

4-bit

Model tree for ahmedandaloes/NEXUS-Security-MLX-4bit

Base model

fableforge-ai/NEXUS-Security

Quantized

(5)

this model

Collection including ahmedandaloes/NEXUS-Security-MLX-4bit

NEXUS-Security — MLX builds

Collection

MLX 4/6/8-bit + bf16 of fableforge-ai/NEXUS-Security for Apple Silicon. GGUF: King3Djbl/nexus-security-GGUF. • 4 items • Updated about 2 hours ago