Featured in Domain Arrivals · 2026-08-14
Grenz, a firewall for AI agents
An open-source, self-hosted local proxy that limits what AI agents can do, keeps real credentials out of reach, and blocks unapproved actions by default.
Why it surfacedGrenz puts policy enforcement directly in the request path: YAML rules can allow, deny, or pause individual actions for human approval across GitHub, Linear, Slack, and MCP. It also offers decoy credentials that can revoke an agent when touched, while the site claims a single binary, no runtime dependencies, 122 test files, and no network call on the decision path.
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The Largest Cat Has No Number
August 14’s newborn domains include an unnumbered giant among thirteen catalogued glossy cats, a shareable Visual Snow Syndrome simulator, two independent Colombian relief directories, and a snail farm with races, courtship, and its own Gazette.
This is one of 1,000 discoveries in the 2026-08-14 Domain Arrivals issue.