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runtime · tomorrow · How do I run AI agents locally, privately?

Local-first TARX on silicon you own.

Run TARX on the computer you already own. TARX is the one agent. First-run stays local. Nothing attaches until you opt in. That is Join. DIY stacks wire a model to tools. TARX_OS is the productized local runtime: Spaces, Control, Evidence. Get a T-4 when the desk needs dedicated NVIDIA.

DIY stacks wire a model to MCP. TARX_OS is the productized local runtime: Spaces, Control, Evidence.

TARX works privately on your computer. Connections stay off until you allow them.

Human funnel: People

TARX_OS on Apple silicon you already own.
Product proof. Not atmosphere. TARX_OS on silicon you own.
HOW TARX WORKS

How TARX works for local-first private AI

Hobby stacks put a chat UI on Ollama and call it private. The gap is governance. Who approved the write? Where did the secret go? Can the session park? TARX_OS is that layer on Apple silicon you already own.

Local MCP is the default for private context: Spaces, files, Memory, tool calls that need local approval. Remote MCP is public-safe tools only. Web lookup stays off until you opt in. Air-gapped capable is a feature, not a slogan.

When the laptop is not enough, you do not rent a sandbox VM for the agent. You get your own Supercomputer — T-1 on the bench, T-4 at the desk, T-7 on the cell, T-70 in the rack. Same OS.

THE STACK

Join the Supercomputer. Or own Private Hardware.

TARX_OS on computers you already own. Supercomputer hardware when the site needs dedicated NVIDIA.

TARX_OS · Conversation into the runtime · free software
USE CASES

WHAT THIS PAGE IS FOR.

Private context on this Mac

Files, Memory, and tool calls stay here unless you approve a route.

A DIY stack that outgrew a chat window

Keep the models. Add Control and Evidence. That is TARX_OS.

A desk that needs NVIDIA

Join first. Get a T-4 when shared work needs dedicated capacity.

KEY FEATURES

Dialed to this question.

Starts onApple silicon you already own
First-runLocal. Nothing attaches until you opt in.
MCPLocal default for private context
SearchOff until you opt in
UpgradeT-4 when the desk needs dedicated NVIDIA
HOW TO START

Four steps. Same contract.

01

Install TARX_OS

Join beta on a Mac you already own.

02

Keep first-run local

Do not attach from FTUX. That is the product.

03

Turn on only what you mean

Web lookup, remote MCP, and mesh opt-in are explicit.

04

Add a Supercomputer if the desk needs it

T-4 indoor / vehicle. Same approval.

FAQ

Questions this page owns.

Does first-run phone home?

TARX works privately on your computer. Connections stay off until you allow them.

Is this a sandbox VM for the agent?

No. TARX runs on your computer. You Join the Supercomputer. You are not giving TARX a rented box.

Can we stay disconnected?

Yes. Air-gapped capable. Web lookup stays off.

When do we buy hardware?

When the team outgrows the laptop and wants dedicated NVIDIA on the premise.

TWO EQUAL PATHS

JOIN THE SUPERCOMPUTER.
OR OWN PRIVATE HARDWARE.

Join the Supercomputer. Or own Private Hardware.

JOIN · TARX_OS

Illustrative still. Apple silicon in a TARX editorial setting.

Join the Supercomputer

Give TARX superpowers.

TARX works privately on your computer. Connect to the Supercomputer when you want TARX to research the web, use more skills, and take on bigger jobs with deeper models. Supercomputer connection is in beta, and capacity is being qualified.

Join beta

OWN · TARX HARDWARE

TARX hardware. Get your own Supercomputer.

Own Private Hardware.

Want more power of your own?

Add TARX hardware for faster local work, dedicated capacity, or a private cluster.

Explore Private Hardware
DEPLOYMENT DESIGN · T-4

OWN YOUR COMPUTE.
DESIGN THE DEPLOYMENT.

TARX software is free. Size the Black Box for the people using it. Watch the math. Submit once.

1 · The cluster

2 · If they stayed on Claude

Typical Claude mix

4 × $20 + 1 × $200 = $280/mo

80% $20 Pro · 20% $200 Max · whole seats. No rate picker.

3 · Contact and the work