Writing
#verification
Every post tagged verification.
Accountability has to spread
The risk from autonomous agents does not sit inside the frontier labs. Agents and their subagents already run on many machines across many organizations, so accountability cannot be something the frontier labs bolt on for us. It has to be local-first and portable, installed where the agent runs, and checkable by strangers.
The ack is not the act
A valid signature proves a receipt is authentic. It does not prove the thing actually happened. Treeship 0.21 makes that difference something you can check, and refuses to fake the part it cannot.
Verify any agent in five minutes: a Treeship walkthrough
A complete worked example, from installing the CLI to a stranger verifying your agent over the network with nothing but one pinned key. Every command, every expected output, and what each one proves.
Capability Cards: Proving What an Agent Can Do, Not Just What It Says
Descriptor formats like A2A's AgentCard tell you what an agent claims it can do. None of them tell you whether the claim is bound to a key you trust, or whether the agent's actual behavior matches. Here is the arc we shipped to close that gap: a predicate registry, signed capability cards, per-actor signing that makes an agent's identity provable, revocation, and the same verdict in the browser as on the command line.