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SignalPlus OS

The OS that lets you trust any trading app on it — whether a human or an AI is behind it.

Build in Workstation, yourself or with coding agents. Run on Protected Server. Share on the Marketplace. Apps never touch your keys, only do what you allow, and every step is on record.

See how it works
Why now

Trust used to come from who wrote the app.

Trading tools were written by people you could name, so trusting the tool meant trusting them. Now coding agents write code, trading agents make their own decisions, and anyone can publish an app. Who wrote it no longer tells you whether it is safe to run.

Smart contracts let you trade without trusting the counterparty. SignalPlus OS lets you run a trading app without trusting its author, human or AI.

How it works

Build it, run it, share it. Inside the same boundaries.

  1. 01

    Build in Workstation.

    Write it yourself, or hand it to Codex, Claude Code or the SignalPlus OS Agent. Either way, the app is built on system interfaces and declares every permission it needs.

    Meet Workstation
  2. 02

    Run on your own Protected Server.

    It stays online around the clock inside a sandbox. It can trade with your exchange keys without ever seeing them, and it can only do what you allowed.

    Meet Protected Server
  3. 03

    Share on the Marketplace.

    Install apps made by people you have never met, or publish your own. Every release is reviewed, and when someone builds on your app and sells it, you get a share.

    Explore the Marketplace
The real Build workspace: a Claude Code session on the left builds and deploys a preview, and the right shows the AI DeFi Terminal app running live.
Build: a Claude Code session on the left, the app running live on the right
The real Protected Server desktop, showing the Tokyo Protected Server's online status, specs, and installed apps.
Run: the apps installed on your own server
Why you can trust it

A standard, a review and boundaries, whoever wrote the app.

These are rules SignalPlus OS enforces, not promises an app makes.

Built to one standardEvery app uses system interfaces and declares the permissions it needs.
Reviewed before listingEvery Marketplace release is reviewed before anyone can install it.
Install is authorizationAn app can only do what you granted, one permission at a time.
Keys stay on your serverApps trade through the system and never see your keys.
Sandboxed and isolatedNo network or file access of its own, and no way into other apps.
Every action on recordOrders and data requests are recorded by app, venue and key, and a misbehaving app can be stopped at once.
The real built-in audit timeline, with order and query events recorded by app, exchange, and key.
Built-in audit: every action traceable by app, venue, and key

Screens are from the current product build, with demo-environment data.

How the system enforces it
Trading agents

Not another trading agent. A safe place to run any of them.

SignalPlus OS is not one more agent asking for your trust. Whichever trading agent you want to try, your own idea or one you came across, build it in Workstation and run it on your own Protected Server.

It follows the same rules as every other app: it never touches your keys, only does what you allow, and every step is on record.

What's inside

One system, from the server to the Marketplace.

SignalPlus OS brings together cloud devices, an operating system, developer tools, system interfaces, databases, and an app marketplace.

Cloud Devices

Workstation is for creation. Protected Server is for runtime.

SignalPlus OS

Permissions, keys, state, network, security boundaries, and system capabilities. Built into the operating-system layer.

Developer Tools

Use Coding Agents in Workstation to turn ideas into installable apps.

System Interfaces

API Gateway and LLM API Runtime turn external capabilities into system interfaces apps can call.

SignalDB

The time-series database built into SignalPlus OS, recording app state, events, and runtime timelines.

Apps & Marketplace

Install, fork, and publish apps, with value flowing back.
Platform Assistant

The whole platform, operated by talking.

SignalPlus OS ships with a platform assistant: spin up a server, install an app, or check a bill — just say it.

Spin Up Machines Ask the assistant to create or hibernate your Protected Server and Workstation, or upgrade your Protected Server, with specs and costs explained on the spot.
Install Apps Describe the capability you want, and the assistant finds the right app on the Marketplace and walks you through install and authorization.
Manage Your Account Top-ups, bills, key binding — just say it, and the assistant takes you to the right page and action.
The real Ask AI platform assistant, suggesting ways to check server status and balance or find an app.
Ask AI: say it, and it happens
Get Started

Build your first trading app, or install one.

Log in to start building in Workstation, or find an app on the Marketplace to run on your own Protected Server.

Log in Explore the Marketplace