← sidera
❂ zero-install

copy your soul as a system prompt. paste it into any ai tool.

drop a .sidera file. get a ready-to-paste system prompt. works in chatgpt, claude.ai, gemini, custom gpts, openai playground, anthropic workbench, perplexity — anywhere that accepts a system prompt or pinned instructions.

drop your .sidera file

don’t have one? /voice · installer

your file stays in your browser. nothing uploaded. no telemetry. if you enabled “remember on this device,” the soul lives in localStorage on this browser only — clear it with “forget this device” above or by wiping site data.