MultiGravity: open-source tool fixes Antigravity multi-account logouts via SSH detector bypass
Ok-Neighborhood-734 · reddit · 2026-09-26
A heavy Google Antigravity user hit a pain point: signing into multiple Google accounts across windows kept force-logging others out.
Root cause from reverse engineering: even with separate --user-data-dirs, the backend languageserver.exe stores OAuth tokens in a single global Windows Credential Manager target (gemini:antigravity), so Account B overwrites Account A's credentials on login.
The open-source MultiGravity tool works around it:
- Isolates each profile in its own sandbox (userData + virtual %USERPROFILE%)
- Sets SSHCONNECTION=127.0.0.1 1234 127.0.0.1 22 in the child environment to trigger the internal sshDetector (shouldBypassKeyring()), forcing local file-based token storage inside the profile instead of the shared credential manager
- Optionally shares projects across selected accounts while keeping separate AI chat contexts
- One-click desktop shortcuts per profile
Built with Python Tkinter (zero dependencies), ships a standalone .exe, supports English/Portuguese/Spanish/Russian, fully open source.
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