RAG & Knowledge
second-brain-os
A self-maintaining AI second brain for Obsidian and Claude Code.
★ 888 starsMIT
View guide →An open-source knowledge base for people and AI agents.
docsmint is an open-source rag & knowledge project by HiAi-gg (HiAi-gg/docsmint on GitHub). It has 118 GitHub stars and 3 forks, is released under the Apache-2.0 license, and was last updated on GitHub on 28 September 2026.
Decide what you want the project to do before installing anything.
Grab the source and skim the README for setup requirements.
Install dependencies and add any API keys or settings it needs.
Launch it and follow the example workflow from the docs.
Exposes its capabilities to AI agents over the Model Context Protocol.
Ships with container support for one-command self-hosting.
Deploy the full stack on your own infrastructure.
Comfortable writing and organizing experience.
Works offline with on-device storage.
Bring notes from Obsidian, Notion, and more.
Download the source and move into the project folder.
git clone https://github.com/HiAi-gg/docsmint.git
cd docsmintPull in the Node packages the project needs.
npm installStart the dev server and open the printed URL.
npm run devIt is an open-source project at HiAi-gg/docsmint with 3 forks. Check the repo’s contributors and recent commits to judge how active maintenance is.
Yes. It is Apache-2.0 licensed, so commercial use is allowed with attribution and license notices.
Locally or on your own server, depending on how you deploy it.
Most support OpenAI, Anthropic, Ollama, and other providers via config.
Yes — MCP support lets agents search your knowledge base directly.
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Free and open — grab the source, star the repo, and start creating.