Build with your AI tools.
The MCP server gives a compatible client tools to create, search and update persistent learning graphs.
Open-source knowledge tools
Carry your
knowledge forward.
Give your AI tools a structured memory. Build knowledge graphs, explore the connections and keep your work on your own machine.
Local MCP serverInteractive graph viewerApache 2.0 engine
Keep the context.
See the connections.
People, projects, research and decisions can live in a graph you return to, inspect and refine.
Explore what you know.
The local viewer lets you inspect nodes, follow relationships and navigate the structure behind your notes.
Your files. Your workflow.
Store graphs locally, track changes with branches and snapshots, and back up the files using your own tools.
A graph you can explore.
A sample of semiconductor manufacturing: processes, materials and the relationships between them. No account needed.
Click a node to inspect. Scroll to zoom. Drag to pan.
Build it with us
What are you learning?
Ask a question, share a graph or suggest what Backpack should do next. The project lives in the open.
Join the communityStart with one useful graph.
Install the local tools and give your next session something to build on.
Get started View sourceThe hosted Backpack service has been retired. The open-source tools remain available.