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IDE Remote: your IDE on a phone or another computer

IDE Remote shares your JumPHP IDE with a phone or another computer: the Claude conversation, the terminal and (read-only) your files appear in a web page, and you can type into the active panel in real time. Handy to follow Claude from the sofa, answer it, or check a build away from your desk.

Only data crosses (conversation, terminal text, files you read), never a picture of your screen. Everything is end-to-end encrypted: the key stays in the link and no server ever sees it.

What you need

  • The desktop IDE, open on a project.
  • A phone or another computer with a browser, and the link the IDE gives you.
  • Internet (through the relay), or the same local network for a direct connection.

Share the IDE

  1. In the IDE, open the Claude panel and click the screen icon, next to the phone icon.
  2. Choose what you share (the scope):
    • Claude panel: the conversation only;
    • Terminal: the terminal only;
    • Whole IDE: Claude, the terminal and your files read-only.
  3. The IDE shows a link and a QR code: https://play.jumphp.net/jumphp-ide-remote/play/#.... Open it on the phone (or paste it into the page of another computer).
  4. On the PC, a window asks: "Allow to use ?". Click Allow. Until you do, nothing is answered.
  5. The page shows the IDE. Type: it goes to the active panel.

The application is jumphp-ide-remote (its page).

Relay or direct

  • Relay (the default): both ends reach wss://jumphp.net/ide-relay/ws. It works from anywhere, through any network. The relay only moves encrypted bytes.
  • Direct: if you allow it in the IDE, the IDE listens on your local network and the device connects to it without leaving the house. Faster, and nothing goes through a server. On a phone browser it needs the JumPHP runtime (the browser itself cannot reach a PC on your network). Safari / iPhone always uses the relay.

The page tries the direct way first for a moment, then falls back to the relay by itself.

Control it from the PC

  • Sharing is opt-in and expires after 8 hours.
  • The IDE lists the connected devices; Revoke cuts one, Stop sharing cuts all and makes the link useless.
  • Closing the IDE ends the sharing.

Security in short

  • End-to-end encryption (AES-256-GCM). The key is in the link's fragment (after the #), which the browser never sends to a server. Anyone with the link can ask to connect, so treat it like a password and do not post it.
  • Consent on the PC for every new device.
  • Deny by default: the IDE only runs the few commands of the chosen scope (send to Claude, stop Claude, read the history, terminal input, read files). Everything else is refused.
  • No file writing from the phone. Files change only through Claude, under the usual rules of the Claude panel. No commit, push, run or installation from the page either.
  • One Claude at a time: if the Terminal's Remote Control holds the session, the text is typed into that terminal tab.

Troubleshooting

The PC never asks. Check that sharing is on (the screen icon is lit) and that the link is the latest one (a new share makes a new link). The link must be opened whole, with its #... part: some messaging apps cut it; open it from the QR code or paste it into the page's field. A link past its 8 hours is dead.

The browser blocks the connection. A VPN, a company filter or an ad blocker can block wss://jumphp.net/ide-relay/ws: allow it, or try without. For the direct mode on a phone browser, install the JumPHP runtime and allow the application when it asks.

Direct does not connect, the relay is used. That is normal and harmless. Causes: the two devices are not on the same network (guest Wi-Fi, "client isolation"), the PC's firewall blocks the port, the runtime is missing on the phone, or you use Safari / iPhone. Everything works the same through the relay.

"Expired" or "Revoked". The sharing ended (8 hours, Revoke, Stop sharing, or the IDE was closed). Click the screen icon again for a new link.

"Refused". Someone clicked Deny on the PC. Open the link again and ask once more.

See also Claude in the IDE and, for the direct mode, the runtime.

Debugging by hand or with an AI: Xdebug and PHP Debugger.