sembr by Peakstone-Labs

Self-hosted search API + MCP server for AI agents. Bundles SearXNG. Zero API keys, one-command deploy. Open-source alternative to Tavily, Exa, and Serper. Maintained by brcrusoe72 on GitHub, where it has earned 69 stars from the community.

Is a high-performance Augmented Recovery-Generation (RAG) solution based on Redis, Qdrant or PostgreSQL. It offers a high-level interface using FastAPI REST APIs. Maintained by Aquiles-ai on GitHub, where it has earned 30 stars from the community.

MCP-enabled AI conversation engine with MCTS analysis, FastAPI backend, and async operations for building advanced LLM applications. Maintained by MVPandey on GitHub, where it has earned 48 stars from the community.