You already own the agent. The only reason setup has ever meant a wall of commands is that no tool has let you just ask for it. No IT knowledge needed — none. Tell your agent "install brethof-brain," and it does the whole job — fetches the client, wires it into your tools, checks its own work. Then you pick where your memory lives: hosted in our cloud, encrypted under your passphrase, or local on your own machine — stored there and nowhere else. We process it; we never store it. After that, every session starts the same way: you say "continue," and you carry on.
1. Sign up at brethof.ai/account — with email and a password, or with GitHub or Google — choose where your memory lives — local, on your own machine, or hosted, in our cloud in Germany — set your passphrase, and copy your API key. The one human step, and it's the same step every application on earth asks for. No credit card on the free plan. This choice is made once; plans and packs can change any time.
2. Say "install brethof-brain." That's the whole sentence — the one step you don't have to read about. Your agent installs the client the way your harness does it — a plugin or a native adapter — and it talks only to your own memory. Then a small window opens on your own screen for your key and, hosted, your passphrase: your agent never sees either. Local edition: your agent needs Docker or Podman on the machine, about 3 GB of disk including the memory model, downloaded once; no elevated privileges.
3. Verify, if you want to. Ask your agent to search memory for anything, even something trivial. A well-formed answer — even "no results" — means it's connected. That's the entire test.
Get your API key Full setup guide
Your first session already gets the standing rules; records begin to build with the first few exchanges. The client is version 1.2.20, source-available — read every line on GitHub and see exactly what leaves your machine.
You never file anything. The memory curates itself: as you work, it keeps what a future session would need — decisions saved, changed facts folded in, claims reality has overtaken quietly removed — and reconciles new facts against old ones as they land, so the memory stays clean without a ritual. And it keeps everything: the whole transcript of every session stays whole and searchable by exact words, by meaning, or through the graph of files, services, decisions and errors your work touched — all three folded into one answer. Recall never depends on what survived a summary or fit in a context window. When you do want something kept on the spot, you say so, and it's saved.
This list is what we have proven, on a clean machine, with the newest release of each. If your harness isn't on it, we aren't claiming it yet.
On the local edition, your memory — the conversation, the records, the search — lives on your machine. Pieces pass through our hub to be worked on, and the hub keeps none of it. On hosted, your memory is encrypted under a passphrase only you hold: it unlocks when you start a session and locks itself after a short idle, and while locked it's ciphertext to everyone, us included. Forget the passphrase and no one can open it. Hosted memory is stored and searched in Germany, with the processing on secure compute in Switzerland. The model that does the thinking is bound by contract not to retain or train on what passes through — their commitment, and we state it as theirs.
One memory, every agent you run — several at once, or a whole team on the same project. Projects are names you give: say one when saving or searching, and from that moment it has its own memory, its own knowledge and its own focus (starting one costs ten messages). Rules you set, for a project or for everything, shape how every agent works and load automatically into every session.
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Memory for your AI agents — records, rules, the full history and the graph of decisions, already there when a session starts. It answers before you ask.
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Long-form how-tos for local AI on Linux, Windows and macOS, with the configuration files included.
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Who we are, why we build privacy-first AI, and what we won't do.