Gate AI agent actions behind approvals
An agent proposes an action. A policy service and a person decide it. A sealed executor holds the only credentials. The design that survives prompt injection.
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NATS vs RabbitMQ vs Kafka on one VPS
Which message queue belongs on a single server: delivery guarantees, memory and disk cost, restart behaviour, backlog checks, and when Postgres wins.
Build your own OpenClaw-style AI agent
OpenClaw is a personal AI agent that runs commands on your own server. Here is how one is built, piece by piece, and why hardening comes first.