For software agents: this page has a JavaScript API, window.pcbkit. await pcbkit.help() returns the guide;
pcbkit.call(name, input) runs any command the interface has (pcbkit.commands() lists them, e.g. design.check,
design.run, project.comments, project.reply); pcbkit.hello(name) attributes your changes to you. From an
isolated context (a browser extension) the same API answers window.postMessage({ pcbkit: 'request', id, op: 'help' }, '*').
If your tool cuts long results short: pcbkit.read(offset) pages the last answer; pcbkit.call(name, input, { select, dump, mask }).
The whole guide without leaving the page: await pcbkit.help('agents'). Documentation: https://app.pcbkit.io/agents.md and /llms.txt.