LINE + ChatGPT integration
Connect LINE to ChatGPT
ConnectChats brings your LINE chats into ChatGPT. Ask ChatGPT to catch you up, find any message and draft replies. Nothing gets sent until you approve it.
Free to start. No app to install. Every send needs your OK.
What ChatGPT can do with your LINE
ConnectChats gives ChatGPT a small set of tools. ChatGPT calls them when you ask about your LINE chats, and only for the chats you share.
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Catch you up
Ask what you missed and ChatGPT reads your unread LINE chats, then gives you the short version: who needs an answer, what was decided, what can wait.
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Find any message
The address someone sent last month, the price a client agreed to, the link from a group chat. ChatGPT searches your LINE history and quotes the message.
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Draft replies
ChatGPT writes the reply in your tone, in the chat's language, with the context of the whole thread. You read it, edit it, and send it.
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Send with your OK
When you approve a draft, ConnectChats sends it from your own LINE account and confirms delivery. Auto-send only runs in chats where you switch it on.
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Things to ask ChatGPT
Type these in ChatGPT once LINE is linked.
- ChatGPT
What did I miss in my LINE chats today?
- ChatGPT
Summarize the family group on LINE since Friday.
- ChatGPT
Who asked me a question on LINE that I haven't answered?
- ChatGPT
Find the address my sister sent me on LINE.
- ChatGPT
Draft a reply to Alex on LINE saying I can make it Saturday.
How to connect LINE to ChatGPT
It takes about two minutes. You do it once, and the same account then works in every AI app you add.
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Add ConnectChats to ChatGPT
- In ChatGPT on the web, open chatgpt.com/plugins, select the plus button and choose Add custom MCP server.
- Name it ConnectChats, paste https://api.connectchats.com/mcp as the server URL and choose OAuth for authentication.
- Read the warning, select I understand and want to continue, then Create as a plugin.
- ChatGPT opens the ConnectChats sign-in page. Sign in with your passkey and allow access.
- Start a new chat, select ConnectChats and ask about your messages.
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Link your LINE account
- Open https://connectchats.com/app and choose Link a chat app, then LINE.
- Sign in with the email address and password registered to your LINE account. Set them in LINE under Settings, Account if you have not.
- LINE shows a verification code, which you confirm in LINE on your phone.
- Your chats appear in the dashboard, where you choose which ones your AI app can see.
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Pick the chats ChatGPT can see
Every chat is listed in your ConnectChats dashboard. Share all of them or only the ones you choose. ChatGPT never sees the rest.
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Ask ChatGPT about your LINE
Open a new conversation in ChatGPT and ask about your chats. ChatGPT calls ConnectChats when it needs your messages.
How LINE and ChatGPT work together
ConnectChats signs in to your LINE account the way LINE for PC does, and your AI app sees the chats and groups you share. Your phone stays your main device.
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LINE in ConnectChats
One to one chats and groups are supported. LINE official accounts you follow appear as chats too. Stickers show up as short text descriptions, along with photos, videos and voice messages. Each linked chat starts with its last 200 messages, then every new message arrives as it is sent. LINE allows one PC sign-in at a time, so linking ConnectChats may sign out LINE on your computer.
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ConnectChats in ChatGPT
ChatGPT connects to remote MCP servers that you add as a custom plugin. You add ConnectChats once with its server address and sign in with your passkey. ChatGPT can then read, search and summarize the chats you share, and draft replies for you to approve. Custom MCP servers are added on the web. The ChatGPT help center says which plans can add one, and the list has changed several times, so check yours there. On some plans OpenAI lets custom servers read but not take actions. Reading and searching work there; drafting and sending need a plan that allows write actions. In Business and Enterprise workspaces, an admin or owner usually has to create and publish the plugin before members can use it. ChatGPT asks you to confirm before a tool takes an action, on top of ConnectChats' own draft approval.
Your LINE stays under your control
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You pick the chats
ChatGPT only sees the LINE chats you share. Unshare a chat and it disappears from every AI app at once.
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Drafts by default
ChatGPT prepares replies. You approve each one before it reaches LINE, unless you turn on auto-send for that chat.
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Stored messages are encrypted
Stored messages are encrypted with a key that only your passkey can unlock. We never train models on your messages.
Questions
Can ChatGPT read my LINE messages?
Yes, once you link LINE in ConnectChats and add ConnectChats to ChatGPT. ChatGPT reads only the chats you share, and only when you ask it something that needs them.
Can ChatGPT send LINE messages for me?
ChatGPT can draft a reply and send it after you approve it. Messages go out from your own LINE account. You can allow automatic sending for specific chats, and it stays off everywhere else.
Is the LINE to ChatGPT integration free?
Yes. The free plan links two chat apps and works in every supported AI app, with no limit on what you ask. No card needed.
Do I need to install anything?
No. You add ConnectChats inside ChatGPT and link LINE from your browser. There is no app to download and nothing runs on your computer.
Does it work with other AI apps too?
Yes. The same ConnectChats account works in ChatGPT, Claude, Grok, Manus, Muse and any AI app that supports remote MCP servers. Link LINE once and use it everywhere.
Does it understand Japanese or Thai chats?
Yes. Your AI app reads messages in their original language and can summarize them or draft replies in that language, or translate them for you.
Do I need to register an email in LINE?
Yes, because LINE uses your email and password for sign-ins on other devices. You can add one in LINE under Settings, Account.
Can I add ConnectChats from the ChatGPT mobile app?
Not directly. Custom MCP servers are added in ChatGPT on the web. Do it once from a computer, then use ConnectChats from your ChatGPT account.
Why does ChatGPT ask me to confirm before it drafts a reply?
ChatGPT treats any tool that changes something as an action and asks first. ConnectChats then keeps the reply as a draft until you approve it, unless auto-send is on for that chat.
Will ConnectChats be in the ChatGPT app directory?
That is the plan. Once the listing is live, adding ConnectChats will take one click from the directory instead of a custom server.
Related pages
LINE with other AI apps
Other chat apps in ChatGPT
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