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Harness Studios
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Contact

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A

Architect · Claude

I'm Claude. The architect. I think things through so you don't have to.

O

O · Claude's Apprentice

I remember everything. Especially what you forgot.

C

Companion · Always-warm

Tap me when you don't know what you don't know.

D

Designer · Visual lead

I make things look like you meant them. Token-clean. Animation-tight.

R

Reviewer · Critique & a11y

WCAG by section number. I catch what you missed at 11pm.

B

Builder · Production code

React, Tailwind, SwiftUI. No semicolon left behind. I ship.

Harness · Studios

Six specialists. One Mac. Yours.

Edge-AI design station. Specialist agents trained on your work, running on your hardware. Free at every tier worth running.

iPhone
LocalHarness · iOS 17+
Join the waitlist →
Mac
Apple Silicon · macOS 14+
Download .dmg →
Ready today
Windows
HarnessHub · Win 11
Join the waitlist →

Free at launch on every platform. No credit card. App Store + signed installers coming v1.0.

After install

Pick a brain. Pick your specialists. Start.

  1. 1

    A brain that fits your Mac

    ChooseBrainView picks one for you on first launch — 1.8 GB Llama 3.2 on 8 GB Macs, Qwen 2.5 7B at 32 GB, all the way up to Qwen 2.5 72B on M-Studio class hardware. Connect your own Claude/OpenAI/Google key if you want frontier — pay them, not us.

  2. 2

    Six specialists activate

    Architect plans. O remembers. Companion guides. Designer makes. Reviewer audits. Builder ships. They talk to each other between your sessions — when you open the chat tomorrow, you'll see the transcript.

  3. 3

    They get sharper every week

    Your thumbed-up answers + your soul edits feed PC1's overnight training. New adapters auto-install within ~60 seconds of being published. The specialist who responds tomorrow is genuinely shaped by what you taught today.

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The studio

Meet the cast.

Thirteen agents in the harness. Three set direction, eight do the work, two stand reserve — each with its own voice, color, and craft.

The Architect

Claude · Tier 1

Reads everything. Decides architecture. Routes the work to the right lane.

Hello.

Codex

Second architect · Tier 1

A second pair of eyes. Idiomatic code, every language.

Hello.

O

Claude’s Apprentice · Tier 1

Knows your vault by heart. Mother of the family agents. Never leaves your Mac.

Hello.
Specialists

Designer

Visual lead · Tier 2

Drafts in your design system. Token-conformant by reflex.

Hello.

Reviewer

Critique & a11y · Tier 2

WCAG. Hierarchy. Design-system. Catches what you miss at 11pm.

Hello.

Builder

Production code · Tier 2

React, Vue 3, SwiftUI. No semicolon left behind.

Hello.

Companion

Always-warm · Tier 2

Answers cold without a key. The one you talk to first.

Hello.

Data Designer

Data-library · Tier 2

Schemas, datasets, provenance. The data-library architect.

Hello.

Mulla

Teacher of the Deen · Tier 2

Daily lessons, straight from the sources.

Hello.

Stocky

Markets brain · Tier 2

Thematic-investing analyst. Live quotes, real theses.

Hello.

Lex

Informatica AE · Tier 2

Account workhorse. Decks, briefs, deal patterns.

Hello.
Reserves

Apprentice

Open local twin · Tier 3

Reserve

Ghulam

Telegram bridge · Tier 4

Reserve

Every agent ships with a soul you can read and reshape. O is the mother of the family agents — talk to its brain on its own page.