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swain.
your open source local AI security lead. one command.
the machines write the code now. swain watches what they write. one command before you ship, local AI security review using the claude and codex CLIs you already have. no new accounts. no SaaS. no dashboard. catches auth bugs, billing bypasses, hardcoded secrets, SQL injection, XSS. ends with one thing: the exact issue blocking your launch and the exact command to fix it. nothing the machine writes passes unseen.
hello people, me and my friend (aka. the descry labs team) built this as a product after months of thinking what to ship, we ended up making what we use.
swain is a local AI security review for that moment. it runs from your repo, uses your existing claude or codex CLIs, scans the launch-risk surfaces first, and tells you what to fix before you ship. it drafts reviewable patches and learns from false positives.
install: one curl command from github. first launch explains what swain reads and writes, then asks whether to use claude, codex, or hybrid mode. try swain demo for the full loop without spending quota.
thank u
Maciej - descry
About swain. on Product Hunt
“your open source local AI security lead. one command.”
swain. was submitted on Product Hunt and earned 6 upvotes and 3 comments, placing #18 on the daily leaderboard. the machines write the code now. swain watches what they write. one command before you ship, local AI security review using the claude and codex CLIs you already have. no new accounts. no SaaS. no dashboard. catches auth bugs, billing bypasses, hardcoded secrets, SQL injection, XSS. ends with one thing: the exact issue blocking your launch and the exact command to fix it. nothing the machine writes passes unseen.
On the analytics side, swain. competes within Software Engineering, Developer Tools, GitHub and Security — topics that collectively have 600.5k followers on Product Hunt. The dashboard above tracks how swain. performed against the three products that launched closest to it on the same day.
Who hunted swain.?
swain. was hunted by Maciej DMOWSKI HALOPEAU. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of swain. including community comment highlights and product details, visit the product overview.
Maciej DMOWSKI HALOPEAU