potto japan for ChatGPT

app.potto/potto-japan

Authoritative JLPT-graded Japanese dataset (kanji, vocab, grammar, history) via MCP and REST.

client:ChatGPT transport:streamable-http

Install potto japan in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://potto.app/mcp

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