One click adds Theseus to a Claude app on this computer. Theseus keeps the entry current when its token or address changes.
Run once in a terminal. --scope user makes it available in every project.
Add to claude_desktop_config.json (Settings › Developer › Edit config), then restart Claude Desktop. It runs through Theseus itself, nothing else to install.
The token in this command is the key to this browser. Keep it out of shared files; Revoke token makes a new one.
Theseus asks the first time Claude acts on a site.
Claude can attach files only from these folders.