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Kessa
Prove who authorized your AI agent's actions
Kessa is an open-source system for verifiable AI agent delegation and attestation. Every consequential agent action carries a signed chain of custody back to the human who authorized it, built so that authority can only narrow at each step, never expand. The core differentiator: an independent verifier that checks the evidence trail offline, trusting nothing about the system that produced it, not even the enforcement point itself. Self-hostable, stdlib-only Go, open source.
Hey, maker here. Built this after running into a version of this problem with a client and not finding an answer I trusted. Happy to answer anything about the delegation model, the verifier design, or anything else. If you're running agents with any real authority (infra access, customer data, spend), I'd love to hear how you're thinking about accountability for what they do.
About Kessa on Product Hunt
“Prove who authorized your AI agent's actions”
Kessa was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #144 on the daily leaderboard. Kessa is an open-source system for verifiable AI agent delegation and attestation. Every consequential agent action carries a signed chain of custody back to the human who authorized it, built so that authority can only narrow at each step, never expand. The core differentiator: an independent verifier that checks the evidence trail offline, trusting nothing about the system that produced it, not even the enforcement point itself. Self-hostable, stdlib-only Go, open source.
On the analytics side, Kessa competes within Open Source, Artificial Intelligence, GitHub and Security — topics that collectively have 588.7k followers on Product Hunt. The dashboard above tracks how Kessa performed against the three products that launched closest to it on the same day.
Who hunted Kessa?
Kessa was hunted by Raphael Theberge. 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 Kessa including community comment highlights and product details, visit the product overview.
Raphael Theberge