A research graph that remembers what didn't work. Markdown in git. Run it before the experiment, not after: it says what to work on, what has already died, and what the result must survive.
Skill Claude CodeCodex
Use BEFORE designing or running anything in a knoten research graph, to decide what to work on and what the result must survive; and again the moment work concludes, including when it fails. Not a place to file results afterwards.
MCP server Claude CodeCodexCursor
Standalone CLI zettelkasten with a local markdown vault and SQLite FTS5 index; optionally plugs into a remote backend for multi-device sync. Runs locally from the knoten Python package.