I built a Command & Conquer style RTS called Battle Drones, mainly using Claude Opus 5.5, which runs in the browser and includes device-to-device multiplayer over an audio link simonwillison.net/2026/Oct/20/...

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i said it in DMs but: this is a good choice sorry you're gonna take a lot of shit for it

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"this skill describes how to use the `foo` CLI to do—" lemme stop you right there, your robot knows what `foo --help` is

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I at this point am like 90% convinced that reusable/shareable skills packages are a bad thing for LLM users. The 10% is that it can show you what's possible; the 90% is that people want to be incurious and just slap something in the only person who can effectively guide your tasks is you

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try to carefully use an LLM to do a thing -> "you're an idiot" try to carefully describe the ways you tried to be rigorous about using an LLM to do a thing -> "well you're clearly not an average user" try to carefully describe the ways you try to help average users use LLMs do a thing -> 😡🔪🔪 etc

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