Conta Clara API for ChatGPT

dev.rohnelt.api/conta-clara

Brazilian 2026 payroll and MEI estimates. 50 free calls/day/IP; optional paid annual key.

client:ChatGPT transport:streamable-http tools:8

Install Conta Clara API in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.rohnelt.dev/mcp

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