OpenAccountants for ChatGPT

io.github.openaccountants/openaccountants

Tax skills in 190+ jurisdictions. Sources and accountant approval status shown per skill.

client:ChatGPT transport:streamable-http tools:12

Install OpenAccountants in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://www.openaccountants.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