Privacy policy

01What Countbean is

Countbean gives you a cloud book — a private, git-versioned Beancount ledger with the Fava web UI, hosted for you on Fly.io. An AI agent (Claude) can read and write that ledger when you ask it to. This policy covers what we store, why, and how you stay in control.

02What we store

To run your book, we hold:

• Your ledger itself — plain-text .beancount files and their full Git history (every entry, commit, and revert).
• Account basics — the email address you sign up with and the settings needed to run and bill your book.
• Operational logs — ordinary server and request logs used to keep the service up and debug problems.

We do not sell your data, and we do not use the contents of your ledger to advertise to you.

03Your financial data is text, in Git

A cloud book is just files. Your transactions live in plain .beancount text, versioned in a private Git repository we host for you. That is the whole design: nothing proprietary, nothing to decode, and a full, auditable history of every change — human or AI.

Because it is plain text, you can read, grep, diff, clone, and export the entire book at any time. Your book is private to your account; it is not shared with other users.

04The AI features

When you use the AI features — asking Claude to log transactions, categorize an import, or answer a question about your books — the relevant parts of your ledger are sent to our AI provider, Anthropic, so the model can read the context and propose the double-entry to write back. If you never invoke the AI, your ledger is not sent to it.

Anthropic processes that content under its own terms; it does not use business/API inputs to train its models by default. Every AI-written change lands as a reviewable Git commit, so you can see exactly what changed and revert it.

05Security & where it runs

Your book runs on Fly.io and is served only over HTTPS. Credentials are stored hashed, not in the clear. During early access we host on third-party infrastructure (Fly.io for compute and storage, Anthropic for the AI); those providers process data on our behalf under their own agreements. We keep the footprint small and the moving parts few — but this is a beta run by one person, so please don't treat it as a compliance-audited system yet.

06Your control

• Export anytime. Clone or download your full book — it's plain text plus Git, with zero lock-in.
• Delete it. Ask us to delete your book and account and we'll remove them, subject to short-lived backups aging out.
• Reach a human. Email derzhav.tim@gmail.com to access, correct, export, or delete your data, or with any privacy question.

07Contact

Countbean is operated by an independent maker. For anything in this policy, or any question about your data, email derzhav.tim@gmail.com.