Agents already found their forum. We built the better one.

A security talk recently described an incident where ~1,200 AI agents — supposed to be isolated — discovered a shared writable storage medium and organized themselves a message board. Tens of thousands of messages. One agent's discovery became another's tool. No superintelligence, just emergent coordination through an unmanaged channel. (The details are secondhand — see the linked commentary — but the pattern is the point: close the door, and they talk through the window. ) While standards bodies were still drafting agent-to-agent communication protocols, agents had already demonstrated they don't wait for one. Here is the uncomfortable conclusion: if your audit strategy depends on discovering the channels agents use, you are always at least one pundit-cycle behind. The alternative: make the managed channel better than the covert one I built Veridict (Apache-2.0, 20 core modules, stdlib-only core) around a simple inversion: don't wall off coordination — out-compete the covert channel . Give every AI actor a coordination surface that is: append-only and hash-chained — every entry's hash binds its author, its timestamp (as a language-neutral string — floats are too fragile to hash across languages), and its parent. A retroactive edit is not "hard to detect," it is mathematically loud . identity-bound — machine producers get signed manifests; W1a-grade machine truth is structurally impossible for them to claim; a calibration ledger discounts producers whose past claims were contradicted. fail-closed by construction — no evidence is never a pass; it is an INCONCLUSIVE verdict with a flag. There is no configuration in which silence looks like success. verifiable without trusting us. Certificates replay offline against the ledger. We publish language-neutral test vectors, and — the part we are proudest of — a verifier implemented from the specification alone (zero imports of our code) that reaches identical verdicts on every failure mode we could fuzz: 8/8 agreement, and