# Castle and AI agents

Castle is a bot check a site puts in front of its pages or forms. Each site decides where it shows.

Our signed agent met it at 1 product. It stopped our agent at 1. Drive on 11 Oct 2026.

Most stops reflect each site's own settings, not the vendor's defaults.

Source: https://agentdrives.com/vendors/castle · as data: https://agentdrives.com/vendors/castle.json · licence CC BY 4.0

- [Framer](https://agentdrives.com/tools/framer.md?via=md): stopped it at sign-up, L1 Needs a person, driven 11 Oct 2026

## What an owner can change

Let signed agents (valid Web Bot Auth signature) skip the bot check on sign-up, or offer a documented sign-up API with email verification.

Where our agent's key stands, vendor by vendor: https://agentdrives.com/method?via=md#our-key
Every vendor: https://agentdrives.com/vendors.md