DIY Accounting Submit for ChatGPT
io.github.diy-accounting-uk/diya-submit
Opens a book, derives VAT return figures and reads stored VAT receipts. Files no return.
client:ChatGPT
transport:streamable-http
runtime:npm
Install DIY Accounting Submit in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://submit.diyaccounting.co.uk/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs