Tax Numbers for ChatGPT

app.openkrill/tax

Get the US federal tax numbers right, with the IRS document each one comes from.

client:ChatGPT transport:streamable-http tools:7

Install Tax Numbers in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://tax.openkrill.app/mcp

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