DataBR — API de Dados Públicos Brasileiros for ChatGPT

io.github.igorpdev/databr

Brazilian public data API for AI agents. BCB, IBGE, CVM, B3, compliance. x402 payments on Base.

client:ChatGPT transport:streamable-http

Install DataBR — API de Dados Públicos Brasileiros in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://databr.api.br/mcp

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