SQLite-Vec for Unreal Engine 5 RAG Search

Documentation and Support

Documentation:
https://github.com/givecode/SQLiteVecForUE

Bug Reports and Feature Requests:
https://github.com/givecode/SQLiteVecForUE/issues

If you encounter a problem or would like to request a new feature, please create a GitHub Issue. For bug reports, please include your Unreal Engine version, reproduction steps, screenshots, and relevant Output Log messages.

Lightweight, Fully-Offline Vector Database & K-NN Search Plugin

SQLite-Vec embeds a complete vector database with K-NN nearest-neighbour indexing directly inside UE 5. No servers, no internet, no extra processes—just a sub-2 MB DLL. Use it to power RAG-style semantic search, long-term AI-NPC memory, animation/asset similarity matching, and more—all locally.

Use Blueprints to manipulate SQLite3 files, execute SQL statements, and obtain the returned result set.

The plugin can directly execute SQL statements, CREATE, SELECT, DELETE, INSERT, UPDATE,.

Directly operate the database, and return the corresponding result set,and can convert the result to Json string.

Localized RAG millisecond-level similarity search