Quantral Stock Sentiment for ChatGPT
com.quantral/sentiment
Stock sentiment scored by source track record. OAuth sign-in, or agents pay USDC on Base via x402
client:ChatGPT
transport:streamable-http
Install Quantral Stock Sentiment in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://app.quantral.com/api/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs