A researcher has open-sourced Ghost Search, a privacy-preserving meta-search aggregator designed to reduce reliance on paid APIs for Retrieval-Augmented Generation workflows. The project combines 14 onion search engines with an MCP server interface, allowing direct integration into LLM agents without backend infrastructure or per-query fees.

  • Features include RAM-only operation with no database persistence, BM25 ranking with engine agreement boosts, and STIX 2.1 export capabilities.
  • The system uses NVIDIA Nemotron-3-Super-120B as a primary model with an Ollama fallback, enabling fully local execution on consumer hardware.
  • An Android app is currently in F-Droid review, offering a backend-free experience for mobile users.

The author is seeking research collaborators to help develop a search ranking benchmark dataset, design retrieval evaluation experiments, and conduct privacy audits of the Tor-based architecture.