Cairn
A AI general-purpose state-space search engine, validated first on autonomous penetration testing.
Solve complex problems by searching for solutions in unknown spaces, like cybersecurity challenges.
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Free · no card · unsubscribe anytimeA AI general-purpose state-space search engine, validated first on autonomous penetration testing.
Cairn has 2.4k stars on GitHub. It has been forked 332 times. Cairn is written mainly in Python. It has been in active development since 2026. Cairn is available under the AGPL-3.0 license. Its main topics are ai, ai-agent, ai-cybersecurity, ai-hacker.
What is Cairn?
A AI general-purpose state-space search engine, validated first on autonomous penetration testing.
Is Cairn open source?
Cairn is an open-source project. It is released under the AGPL-3.0 license.
Is Cairn free?
Yes. Cairn is free and open source — you can use, modify and self-host it. Its AGPL-3.0 license is a strong copyleft: if you distribute a modified version — including offering it as a network service — your changes must be released under the same license.
What license does Cairn use?
Cairn is available under the AGPL-3.0 license.
What language is Cairn written in?
Cairn is written mainly in Python.
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