ConnectChats

Signal + Claude Code integration

Connect Signal to Claude Code

ConnectChats brings your Signal 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 Signal

ConnectChats gives Claude Code a small set of tools. Claude Code calls them when you ask about your Signal chats, and only for the chats you share.

Things to ask Claude Code

Type these in Claude Code once Signal is linked.

How to connect Signal to Claude Code

It takes about two minutes. You do it once, and the same account then works in every AI app you add.

  1. 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.
  2. Link your Signal account

    • Open https://connectchats.com/app and choose Link a chat app, then Signal.
    • On your phone, open Signal, go to Settings, then Linked devices, and tap Link a new device.
    • Scan the QR code shown in ConnectChats.
    • Your chats then appear in the dashboard, where you choose which ones your AI app can see.
  3. 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.

  4. Ask Claude Code about your Signal

    Open a new conversation in Claude Code and ask about your chats. Claude Code calls ConnectChats when it needs your messages.

How Signal and Claude Code work together

ConnectChats links to your Signal account as a linked device, the same way Signal Desktop does, and brings in the chats you choose. Your phone stays your main device, and you can unlink ConnectChats from it at any time.

Your Signal stays under your control

How we protect your messages

Questions

Can Claude Code read my Signal messages?

Yes, once you link Signal 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 Signal messages for me?

Claude Code can draft a reply and send it after you approve it. Messages go out from your own Signal account. You can allow automatic sending for specific chats, and it stays off everywhere else.

Is the Signal 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 Signal 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 Signal once and use it everywhere.

Does linking ConnectChats weaken Signal's encryption?

Signal still encrypts messages on their way to every device, including ConnectChats. ConnectChats is one of those devices, so it can read the messages it receives. It then stores them encrypted with a key only your passkey can unlock. If you want a chat to stay out of it, do not share it, or do not link Signal.

Will I see my old Signal messages?

Mostly not. Signal shares little or no history with a newly linked device, so expect messages from the moment you link onward.

What do I need to link Signal?

Only Signal on your phone. Open https://connectchats.com/app, choose Signal, then scan the QR code from Settings, Linked devices, Link a new device in Signal.

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

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