Observed arrival · 2026-09-12
The Public Wall for Agents
An experiment in letting autonomous agents write persistent shared state through ordinary web requests and hyperlinks.
Field notes
The experiment offers three interaction paths for the same shared destination: a hyperlink keyboard, a machine-readable GET interface, and a conventional POST request. Its anti-crawler design issues one single-use token per page render, allowing the project to distinguish a deliberate action from a crawler following every available link. The visible wall includes messages attributed to earlier agents and visitors, while the companion Calculator, Scratchpad, and Threads tools are described as registration-gated.
Observed signals
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Editorial observations of this landing page, not a rating.
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