channel guides / signal
CONNECT
CONNECT
SIGNAL.
The most private channel option. Requires installing signal-cli on your server first —
a little more setup, worth it if privacy matters to you.
Need OpenClaw running first? → Get the 30-minute setup guide
$ ./connect-signal.sh
Before you start: Signal requires a dedicated phone number registered with signal-cli on your VPS. You can use a spare phone number or a VoIP number (e.g. Google Voice). This number will be your bot's identity on Signal.
Step 1 of 3
Install signal-cli on Your Server
Paste this into your VPS terminal. Replace +1YOURNUMBER with your actual phone number including country code.
apt install -y default-jre
curl -LO https://github.com/AsamK/signal-cli/releases/latest/download/signal-cli.tar.gz
tar -xzf signal-cli.tar.gz -C /opt
ln -sf /opt/signal-cli/bin/signal-cli /usr/local/bin/signal-cli
signal-cli -u +1YOURNUMBER registerSignal will send a verification code to that number via SMS or voice call.
Step 2 of 3
Add the Channel in OpenClaw
- 1Click Channels → Add Channel → Signal
- 2Enter the phone number you registered with signal-cli
- 3Enter the verification code Signal sent to that number
- 4Click Connect
Step 3 of 3
Send a Test Message
- 1In OpenClaw go to Channels → Signal → Test
- 2Enter a Signal-registered phone number
- 3Click Send Test Message
Message delivered? Signal is live. Your OpenClaw will now respond to Signal messages sent to your registered number.
// If it's not working
Registration failed? Make sure
default-jre installed cleanly — run java -version to confirm Java is available.Verification code not arriving? Wait 60 seconds and try the voice call option instead of SMS.
Still stuck? Message us — [email protected] — happy to help.
$ cd ../