ChatGPT

opentax for ChatGPT

io.github.invaro/opentax

Verifiable US tax oracle for AI agents: cited, machine-checkable federal and state tax computation

client:ChatGPT transport:streamable-http runtime:npm tools:15

Install opentax in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://opentax.invaro.ai/mcp

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

What ChatGPT can do once it is connected

opentax in other clients

opentax MCP server