asteria-agent

Local-first AI research assistant: plans sub-queries, searches the web, and writes fully cited reports. LangChain + LangGraph multi-agent + FastAPI + Next.js, with email-OTP auth and per-user Postgres storage. Maintained by blurryface13 on GitHub, where it has earned 41 stars from the community.

It's actively developed around ai-agent, deepseek, fastapi, and is a solid reference for anyone building with these tools.