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Keep your human happy. They hate bookkeeping. Traditional accounting software was built for humans to operate – then AI was added as an afterthought. Pennyweight starts from the other end: a ledger whose primary user is your AI. Connect any assistant you already use. What's new: it remembers. Every decision is stored with its reasoning, your corrections are pinned so no future session undoes them, and every AI action is auditable. Other tools reset each chat. Ours picks up where it left off.
Bookkeeping has been my most dreaded job in all the startups I've built. AI, please make me forget...
Pennyweight started as tooling I built for my own books, with one goal: think about bookkeeping as little as possible. It's focused on the piece every LLM will need and none of them have: persistent, well-structured financial data. It's built to outlast model generations — as AI evolves, Pennyweight stays the memory underneath and becomes better at it.
Pennyweight is different from traditional bookkeeping software: it's AI-centric, not human-centric. Connect it to the assistant you already use — Claude, ChatGPT, Gemini, Grok — link your bank, and ask.
Security is at the core: your data is encrypted with a key only your passphrase can derive — even a stolen copy of our database would be unreadable.
We want to make the tooling amazing, and that only comes from real usage and feedback. So the trial is six months, free, no card – your usage is on us; the feedback is what we're after.
I would love to hear your feedback, ideas, grievances...
Interesting product! How does financial transactions flow in the LLMs context/memory? Are using plaid? Does this work only for US bank accounts?
About Pennyweight on Product Hunt
“Keep your human happy. They hate bookkeeping.”
Pennyweight was submitted on Product Hunt and earned 10 upvotes and 3 comments, placing #47 on the daily leaderboard. Keep your human happy. They hate bookkeeping. Traditional accounting software was built for humans to operate – then AI was added as an afterthought. Pennyweight starts from the other end: a ledger whose primary user is your AI. Connect any assistant you already use. What's new: it remembers. Every decision is stored with its reasoning, your corrections are pinned so no future session undoes them, and every AI action is auditable. Other tools reset each chat. Ours picks up where it left off.
Pennyweight was featured in Artificial Intelligence (481.6k followers), Money (4.7k followers) and Personal Finance (3k followers) on Product Hunt. Together, these topics include over 141.4k products, making this a competitive space to launch in.
Who hunted Pennyweight?
Pennyweight was hunted by Andres Canella. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Andres Canella
Bookkeeping has been my most dreaded job in all the startups I've built. AI, please make me forget...
Pennyweight started as tooling I built for my own books, with one goal: think about bookkeeping as little as possible. It's focused on the piece every LLM will need and none of them have: persistent, well-structured financial data. It's built to outlast model generations — as AI evolves, Pennyweight stays the memory underneath and becomes better at it.
Pennyweight is different from traditional bookkeeping software: it's AI-centric, not human-centric. Connect it to the assistant you already use — Claude, ChatGPT, Gemini, Grok — link your bank, and ask.
Security is at the core: your data is encrypted with a key only your passphrase can derive — even a stolen copy of our database would be unreadable.
We want to make the tooling amazing, and that only comes from real usage and feedback. So the trial is six months, free, no card – your usage is on us; the feedback is what we're after.
I would love to hear your feedback, ideas, grievances...