Dados B3 for ChatGPT
io.github.val7h/dados-b3
Brazilian stock (B3) fundamentals: ratios, dividends, scores, REITs (FIIs), ETFs. Open methodology.
client:ChatGPT
transport:streamable-http
runtime:oci
tools:20
Install Dados B3 in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://dadosb3.com/mcp/Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs