Backtester for ChatGPT

io.github.morshedgit/backtester

Test a plain-words trading rule on historical prices and compare the trades with SPY. Not advice.

client:ChatGPT transport:streamable-http tools:9

Install Backtester in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://backtester.daenadigital.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs