Correios: CEP for ChatGPT

io.github.mcp-dir/correios_cep-mcp

Correios: CEP, official-source lookup. Platform-hosted, pay per query with prepaid credit.

client:ChatGPT transport:streamable-http tools:7

Install Correios: CEP in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.mcp.ai/p_correios_cep

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