Directory
system-prompts-ai
Leaked system prompt corpus
FreeCost & efficiencygithub.com
What it is
Full system prompts, tool definitions and model configs extracted from 30+ commercial AI coding products — Claude Code, Cursor, Devin, Copilot, v0, Windsurf, Replit, Manus. ~141k stars.
Why it earns a slot
A study reference for how production teams write terse tool descriptions and budget context at scale. Directly useful if you are writing your own skills or agent prompts for the content pipeline.
Know before you commit
Ambiguous link. A second credible candidate exists (asgeirtj/system_prompts_leaks, ~63k stars). Both are prompt corpora; open the original link to confirm which was meant.
Neighbourhood
How system-prompts-ai sits against the rest of the atlas — swaps, companions and the tools builders actually save alongside it.
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