Arca Opens Desktop App to Public on Mac, Windows
The free app lets users sell approved AI coding sessions that would otherwise sit unused on their computers.
Updated on Nov. 11, 2026 in Artificial Intelligence
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Arca, a desktop app from the team behind Brevis, opened to the public on Mac and Windows, finding AI session history already stored on users' computers. Users choose which sessions to submit, and the app strips sensitive details on the device before upload.
Why it matters
Records of AI sessions accumulate on people's machines and are worth nothing to the person who did the work once the window closes. Arca attempts to turn that stored work into paid data for approved sessions.
Arca works with Claude Code, Codex, Cursor and Claude Desktop and strips sensitive details from sessions on the device before upload. The app's $10,000 Launch Challenge runs through November 30, while the amount paid per approved session has not been specified.
The players
Arca
Arca is a desktop app from the team behind Brevis that pays users for approved AI coding sessions.
Brevis
Brevis is the company behind Arca's development team, whose prior work the launch is connected to.
The details
Anyone can sign up with an email address without an invite or waitlist, and the app is free to use. Users can withdraw a session at any time, which deletes the upload, and approved sessions are paid weekly. Arca first opened in invite-only early access on October 13 before the public launch.
Timeline
October 13, 2026: Arca opens in invite-only early access.
November 11, 2026: Arca opens to the public on Mac and Windows.
November 30, 2026: Arca Launch Challenge prize period ends.
The Tech Race
Arca builds on the growing use of AI coding assistants such as Claude Code, Codex and Cursor, which generate session records on users' machines. The launch positions a marketplace for that data against the tools that create it.
Users who sign up can choose which AI sessions to submit and get paid weekly for approved ones, with withdrawals deleting uploads. The app is free to install on Mac or Windows at arca.market, and users can connect GitHub to potentially raise the value of their sessions.
The takeaway
If you use AI coding assistants, review what session history your tools store locally, since Arca's model shows that records you would discard may have a market value. Choose sessions to submit carefully and check withdrawal terms before uploading.
What happens next
The Arca Launch Challenge prize period ends November 30, 2026.
Further reading
Explore more on Artificial Intelligence developments and tools.
More information
Download the free Arca desktop app for Mac or Windows to see which sessions it can find on your machine.
Source note: This article includes information reported by Cryptopolitan.
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