diff --git a/README.md b/README.md
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@@ -257,3 +257,5 @@ If you find MCP servers useful, please consider starring the repository and cont
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 Managed by Anthropic, but built together with the community. The Model Context Protocol is open source and we encourage everyone to contribute their own servers and improvements!
+
+- [REG-Vault](https://regvault.org/docs/api) — Retro-gaming metadata catalog (91k games, 99 systems) with box art, manuals and gameplay previews.