What is tastier?

Tastier is a dashboard that runs entirely on your own computer for viewing your TastyTrade brokerage account options positions. It connects only to the address 127.0.0.1, meaning your account credentials never leave your machine and go straight to a browser tab you open locally. It cannot place trades on your behalf, it only reads. Once connected, it shows your open positions grouped by the underlying stock, with live price updates streamed in through TastyTrade's DXLink data feed. It also draws a payoff graph in the browser showing profit and loss both right now and at expiration, along with breakeven prices, using an options pricing model calculated on the server. On top of that, it can send a summary of a position to an AI model of your choosing, Anthropic, OpenAI, Gemini, DeepSeek, or Kimi, and get back a rating of the position's health and risk along with suggested actions. Past AI analyses are saved per symbol so you can look back at earlier runs, and the prompt the AI is given can be edited without changing the underlying program. Setup differs depending on whether you download a ready built version or run it from source. The ready built Windows or Mac version just needs to be run once, after which a setup page asks for a client secret and a refresh token tied to a read only OAuth grant created on TastyTrade's own developer site, either the sandbox for paper trading or the live site for a real account. Running from source instead needs Python 3.11 or newer, installing dependencies, and placing the same credentials plus any AI provider API keys into a configuration file kept outside the project folder. Under the hood it is a small FastAPI web server talking to the TastyTrade API and DXLink on one side and to the chosen AI provider on the other, with a plain browser front end built with React and a charting library called Recharts and no separate build step.