Claude Code

Free Security Scans From Claude's Strongest Model for Your Open-Source Project

Anthropic's OSS Scanner hunts the security holes in your open-source project with its strongest models, proves each bug with a working attack, proposes the patch and emails you the report, free and on a schedule

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Security audits are slow and expensive, so most open-source projects never get one. Anthropic, the creators of Claude, now runs one for free: its strongest models scan your project, try to break in, and send you what they found with a proof and a fix. The team has already flagged over 29,000 possible bugs this way.

Here's what you get, how to sign your project up, a prompt to check the reports with Claude, and the catches.

What you get

  • A first full scan of your project, then regular scans that look for newly added and previously missed bugs.
  • Each finding comes with a proof-of-concept (the attack that shows the bug is real) and a proposed patch where possible.
  • Agents double-check each bug, find the root cause and confirm it's in your code, not in a dependency.
  • Reports arrive by email to your project's security contact. You can pause or opt out at any time.

Free, for your email

Get the full setup steps + the copy-paste setup prompt

The rest of this guide (3 more sections, 1 copy-paste prompt) opens right here. The setup prompt, one paste into Claude that sets it all up, comes by email only. Use your real address.

Unlocks: Sign your project up · The catch · Sources

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