app.potto

potto-japan

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

Hosted
Streamable HTTPofficialknowledge

Deployment

Hosted
streamable-httphttps://potto.app/mcp
Headers
Authorization
Bearer potto_ak_… API key from https://potto.app/developers/. Optional here because MCP clients can instead sign in via OAuth (the server issues a 401 + WWW-Authenticate challenge, RFC 9728). Free sample data is available on the REST API.