LantrnSelf-hosted semantic search for your documents

Upload files or crawl a site, then search them by meaning. Works with any OpenAI-compatible model server.

Hybrid search
Embeddings and keyword matching combined, so exact names and codes still match.
Most file types
PDF, Office, e-mail, Markdown, HTML and more. Images are read by a vision model.
Websites and repos
Crawl a site or a public GitHub repository and re-sync it daily or weekly.
Optional answers
A chat model can answer from the search results and cite the passages it used.
Users and collections
Invite users, keep collections private or share them.
API and MCP
A REST API for scripts and an MCP server for AI assistants.

Lantrn search results

Hybrid search