Private AI for you and your tools.

Chat in the browser, or point your editor and agents at a local proxy. No account, paid per message.

Install zs-proxy
brew install txnlab/tap/zs-proxy
Beta

Ask about your Linear, Notion, Google Drive or local files. Read-only, from your browser.

Connectors guide
Privacy

Trust architecture, not policy.

A policy is what a company says it won’t do. Architecture is what it can’t do. The pieces that would let anyone connect you to your prompts don’t exist.

Read the threat model →
No account databaseYour wallet is your login. There is no table of users to leak, sell, or hand over.
No API keysNothing to rotate, nothing to leak in a repo, nothing that ties a request to a billing profile.
No company in the middleThe relay forwards ciphertext it can’t read. The operator gets a prompt with no name on it. Neither party holds both halves.
No subscription identityYou pay per message from a balance you control. No card on file, no monthly profile of what you use.
1Create a passkey

Face, fingerprint, or PIN. Your browser derives a wallet only you control.

Touch IDFace IDPIN
2Add funds

Start free, then top up by card or crypto. It lands as dollars, and $5 goes a long way.

Free trial$5$20Crypto
3Chat, or connect a tool

Ask anything in the browser, or run one command so your editor shares the balance.

Chatzs-proxy connect

Try it before you trust it.

Free to start. Pay per message when you’re ready.