Private beta
Own your AI system.
Karsa, live
Ask in plain words.


Click around: it's the real app, with sample data.
Your data, workflows, and agents in one system on your machines. Claude Code and Codex do the thinking.
Get Karsa
Ask your Claude Code or Codex to install it:
Install Karsa from https://karsa.app/llms.txt
Or install it yourself:
$curl -fsSL https://karsa.app/install.sh | sh
Works with Claude Code and Codex. Runs on macOS, Linux, or your own server.
How it works
- 01
Karsa holds the system: data, files, schedules, events.
- 02
It wakes an agent when something needs thinking.
- 03
Everything the agent does lands back in your system.
Why Karsa
-
You own the system of record.
Plain files in git on your machine. Cancel any AI plan and keep everything.
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The right agent for each job.
Claude Code reads contracts, Codex runs numbers, in one system.
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Start on a laptop, move to a server.
The same system, when others need in. Nothing rebuilt.
Built for
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Café Books
Books set up in a chat, receipts snapped, profit answered with the numbers behind it.
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Deal Flow
Decks read into your pipeline, diligence split between agents, a brief every Monday.
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Online Store
Orders and stock brought in, what runs out answered, a reorder waiting on your yes.
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Releases
The cause found in the logs, the fix written and reviewed by two agents, the release notes drafted.
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Rentals
Leases read into one table, a tenant's photo made a repair, late rent found, reminders every 5th.
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Clinic (Sovereign AI)
A front desk's busy work, on your own servers: tomorrow's schedule ready, insurance cards read, reminders drafted. Nothing leaves your network. Talk to us to set it up.
For teams
Runs inside your walls.
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Your infrastructure
Your laptop or your own server. Data stays on machines you control.
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Full history in git
Every change is versioned: diff it, revert it.
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Scoped permissions
Agents and apps get only the access you grant.
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No vendor lock-in
Mix AI vendors and switch any time.
FAQ
What does it cost?
Free for personal use. No account, and no new AI bill.
Which AI subscription do I need?
The Claude Code or Codex you already have. More agents are coming.
Where does my data live?
On your machine, as plain files. Agents send what they work on to their own AI provider, as they do today.
Which platforms does it run on?
macOS and Linux, on a laptop or a server.
How do I get in?
Karsa is invite-only during the beta. The installer asks for your email, and invited addresses install right away. No invite yet? Request access.