2HONGO

Using 2hongo with AI assistants

Learn Japanese step by step in ChatGPT or Claude, whether you are starting from zero or building on what you know. The 2hongo teaching plugin can explain and practice Japanese without a 2hongo account connection. Connect your account to use 2hongo’s dictionary and grammar reference or work with your own study record.

Install and connect

In Claude

  1. 1.In Claude, open Customize > Plugins > Discover and search for 2hongo.
  2. 2.Open the 2hongo plugin and select Add to install it.
  3. 3.For dictionary lookups or your study record, connect the included 2hongo connector. Sign in, check the account email shown, and approve the permissions you want.
  4. 4.Start a new chat with 2hongo enabled and try one of the prompts below.

If your organization manages plugins or connectors, an owner or administrator may need to enable 2hongo before you can install or connect it.

For the account tools without the teaching plugin, open Customize > Connectors and search for 2hongo. If needed, select Add custom connector, name it 2hongo, and use https://www.2hongo.com/api/mcp.

In ChatGPT

  1. 1.Open Plugins in ChatGPT at chatgpt.com/plugins and search for 2hongo.
  2. 2.Open the 2hongo listing and use its install button to add the plugin.
  3. 3.For dictionary lookups or your study record, select Connect for the included 2hongo account connection. Sign in, check the account email shown, and approve the permissions you want.
  4. 4.Select Try in chat, or start a new chat, type @, and select 2hongo.

Muse (in testing)

We are testing the 2hongo connector in Muse. It is not yet available for general use. We will add connection instructions here when it is ready.

A free 2hongo account is enough to connect, and you can create one on the sign-in page while connecting. Features follow your 2hongo plan, the same as on the website.

A connection lasts 30 days. When it ends, or if you revoke it in Account Settings, the assistant can no longer reach 2hongo until you connect again the same way.

What you can allow

The assistant asks for these permissions when you connect, and can use only the ones you approve:

  • •Search 2hongo's dictionary and grammar reference
  • •Read your learning history — level, reviews, study plan, and progress
  • •Save words, record your practice and progress, and update your study settings
  • •Report errors in 2hongo's dictionary entries and quiz questions

What each plan includes

The assistant has the same access your 2hongo plan gives you on the website and in the app. Assistant tools have their own allowance and don't use your Sensei chat messages.

  • •Freesearch the dictionary and grammar reference, save words to your default notebook, track words, kana, and N5 grammar and kanji, and read your review summary and study plan. Links to N5 word recordings on 2hongo, and 5 meaning searches a day.
  • •Standardeverything in Free, with links to recordings and grammar and kanji tracking at every JLPT level, 5 custom notebooks, and 50 meaning searches a day.
  • •Pluseverything in Standard, with practice picked from your due and weak items, stories and examples grounded in your learning history, progress summaries, JLPT coverage, and notes on how you use Japanese in the chat. 20 custom notebooks and 200 meaning searches a day.
  • •Maxeverything in Plus, with 100 custom notebooks and 1,000 meaning searches a day.
What an assistant can do with your account

Things to try

Start here — no 2hongo account connection needed

  • •Help me learn Japanese step by step. Start with what I already know and guide me from there.
  • •I have never learned Japanese before. Teach me a greeting, with pronunciation help.
  • •Help me introduce myself in Japanese, one phrase at a time.

With a connected 2hongo account

  • •What should I review today on 2hongo?
  • •What's on my 2hongo study plan?
  • •Look up 込む in 2hongo and show me its readings and a few real examples.
  • •What's the 2hongo word for "to give up on something"?
  • •Explain 〜てしまう using 2hongo's grammar lesson.
  • •Save 諦める to my 2hongo notebook.

With Plus or Max

  • •Quiz me on what I'm learning on 2hongo.
  • •Write a short story at my level using words I'm learning on 2hongo.
  • •How has my studying on 2hongo gone this month?
  • •How much of N4 have I covered on 2hongo?

In your 2hongo account

Connected assistants work with these settings in Account Settings:

  • •Learning profileUnder Learning Profile, tell connected assistants your goals and how you like to be taught. With your approval, an assistant can rewrite it; earlier versions stay in its Edit history.
  • •AI assistant activityUnder Learning Profile, see and delete the notes assistants saved about how you used words and grammar in Japanese you wrote.
  • •Connected AI assistantsUnder Sessions, see your connections and revoke any of them. To ensure access ends on 2hongo, revoke it here even if you also disconnect in the assistant's settings.
Open your learning profile

Your data

  • •2hongo receives only what each request needs — such as a word to look up or a practice answer to record — and never your conversation.
  • •When you agree to it, an assistant can note how you used a word or grammar pattern in Japanese you wrote. The note keeps the item and the result, never your sentence.
  • •Deleting your 2hongo account ends every connection.
What we store and for how long

Need help?

If a connection fails or you have questions about your data, contact us.

Contact us