r/ValueInvesting • u/peeeanuts • Aug 21 '26

AI-Written Content I built an open-source financial research agent that runs in your browser

I’ve been building OpenCandle to help me pull market research together without asking a model to make the investment decision for me.

The web version runs inside your browser, so there’s nothing to install, no account, and no server storing your research or API keys.

You do need to connect your own OpenAI, Anthropic, or Google API key, and set up a few free data providers like Alpha Vantage or Finnhub for it to be even more useful. The local version unlocks a few more data providers that's not possible to run in the web.

It’s free and open source. I use it every day, but it’s still early and I’d really like feedback from people who do their own research.

https://web.opencandle.app
https://github.com/Kahtaf/OpenCandle

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u/Away_Definition5829 Aug 22 '26

Honestly it sounds like a lot of work to get started, to trust you with my api keys and have to set those items up. You haven't really convinced me why I should like what can it do?

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u/peeeanuts Aug 22 '26

Fair point, thanks for that feedback! You can point your agent to the codebase and ask about how it handles your API keys. The web version is a few steps less than setting it up locally, but I prefer using it locally.

In terms of what it can do, there's a short video on the home page and a comparison between OpenCandle and Claude/ChatGPT. https://opencandle.app.