Documentation

HoodAI docs

Everything about running your private on-chain copilot.

What is HoodAI

HoodAI is a private AI copilot for your Robinhood Chain positions. Unlike cloud AI tools, the language model runs entirely inside your browser using WebGPU. Your wallet data, your prompts, and the model itself never leave your device — there is no server to send anything to.

It reads your on-chain holdings (tokenized stocks, stablecoins, DeFi tokens, everything) and answers questions about them in plain English: what you own, your risk and concentration, what a token is, and whether you have gas.

Getting started

Open the app in a WebGPU browser (see requirements).
Connect a wallet or paste any 0x address (read-only).
Load a model — it downloads once, then is cached and runs offline.
Ask questions about your positions.

First model load downloads 1–5 GB depending on the model. On mobile data, use Wi-Fi for the first load — after that it's cached.

The privacy model

This is the whole point, so it's worth being precise:

Inference is local. The model runs on your GPU via WebGPU. Prompts are never transmitted.
Reads use your public address only. A public address is not a secret — it's visible on any block explorer. It's all HoodAI needs to read balances.
Your private key is never involved. Connecting a wallet shares your address, not your seed. HoodAI cannot move funds.
The only network calls are to a public Robinhood Chain RPC and the block explorer to read balances — never your data out.

Models & hardware

Bigger models reason better but need more memory. The app auto-suggests one for your device; you can override it.

Model	Best for	Download	RAM / VRAM
Llama 3.2 1B	Phones, low-end	0.9 GB	~4 GB
Qwen2.5 1.5B	Phones+	1.1 GB	~6 GB
Llama 3.2 3B	Laptops	2.0 GB	~8 GB
Qwen2.5 3B rec	Laptops · best tools	2.0 GB	~8 GB
Qwen2.5 7B	Strong desktops	4.7 GB	~16 GB

Browser support

You need WebGPU: Chrome/Edge 121+ (desktop or Android), or Safari 26+ (iOS 26 / macOS 26). If the app shows a WebGPU warning, your browser or device doesn't support it yet.

Connecting a wallet

Click Connect wallet to pull your public address from Robinhood Wallet, MetaMask, Rabby, or any injected/WalletConnect wallet. The approval popup shares your address only — it grants no spending power. Or paste any address to watch it read-only (your own or someone else's).

Robinhood Chain

HoodAI reads Robinhood Chain (an Arbitrum-based Ethereum L2, chain ID 4663, ETH gas). Balances come from a public RPC and the Blockscout explorer, so no API keys are required to get started.

What it won't do

It won't place trades or move funds. v1 is read-only by design.
It isn't a financial advisor. It explains and surfaces risk; the decisions are yours.
It won't ask for your seed phrase or private key. If anything ever does, it isn't HoodAI.

Troubleshooting

"WebGPU not detected"

Update to a supported browser (above), or try Chrome on desktop. On some devices WebGPU must be enabled in flags.

The model download is slow or fails

Large models are 2–5 GB. Use a stable connection for the first load. It's cached afterward — a failed load can simply be retried.

The model runs out of memory / tab crashes

Pick a smaller model from the table above. Phones should use the 1B–1.5B options.

My positions look wrong or missing

HoodAI reads what's on Robinhood Chain for that address. Assets on other chains or in a brokerage account won't appear (brokerage support is on the roadmap).