LINE + Claude Code integration
Connect LINE to Claude Code
ConnectChats brings your LINE chats into Claude Code. Ask Claude Code 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 Claude Code can do with your LINE
ConnectChats gives Claude Code a small set of tools. Claude Code 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 Claude Code 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. Claude Code searches your LINE history and quotes the message.
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Draft replies
Claude Code 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 Claude Code
Type these in Claude Code once LINE is linked.
- Claude Code
What did I miss in my LINE chats today?
- Claude Code
Summarize the family group on LINE since Friday.
- Claude Code
Who asked me a question on LINE that I haven't answered?
- Claude Code
Find the address my sister sent me on LINE.
- Claude Code
Draft a reply to Alex on LINE saying I can make it Saturday.
How to connect LINE to Claude Code
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 Claude Code
- In your terminal, run: claude mcp add --transport http --scope user connectchats https://api.connectchats.com/mcp
- Start Claude Code and type /mcp.
- Select connectchats and choose to authenticate. Your browser opens the ConnectChats sign-in page. Sign in with your passkey.
- Ask Claude Code about your messages, for example to summarize a group chat.
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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 Claude Code can see
Every chat is listed in your ConnectChats dashboard. Share all of them or only the ones you choose. Claude Code never sees the rest.
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Ask Claude Code about your LINE
Open a new conversation in Claude Code and ask about your chats. Claude Code calls ConnectChats when it needs your messages.
How LINE and Claude Code 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 Claude Code
Claude Code adds remote MCP servers with one command. Add ConnectChats, sign in once with your passkey, and you can ask Claude Code about your chats without leaving the terminal. The --scope user option makes ConnectChats available in every project. Leave it out to add it to the current project only. Claude Code needs a Claude Pro, Max, Team or Enterprise plan, or an Anthropic Console account. Tokens refresh on their own. To sign out, open /mcp and choose Clear authentication, or run claude mcp logout connectchats. Sign in once in an interactive session. Scripts and headless runs reuse the saved sign-in but cannot complete it.
Your LINE stays under your control
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You pick the chats
Claude Code 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
Claude Code 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 Claude Code read my LINE messages?
Yes, once you link LINE in ConnectChats and add ConnectChats to Claude Code. Claude Code reads only the chats you share, and only when you ask it something that needs them.
Can Claude Code send LINE messages for me?
Claude Code 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 Claude Code 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 Claude Code 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 share the setup with my team through .mcp.json?
Yes, with --scope project the server goes into .mcp.json in the repository. Each person still signs in with their own passkey and sees only their own chats.
Does Claude Code see my chats in every session?
Only when it calls a ConnectChats tool, which it does when you ask about your messages. It reads only the chats you share.
Related pages
LINE with other AI apps
Other chat apps in Claude Code
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