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Show HN: ThoughtDAG – Editable Context Graph for LLM Conversations

·2026.08.15 13:42

Key point

ThoughtDAG, a tool that manages LLM conversation context as an editable graph structure rather than a linear history, has been released.

Details

ThoughtDAG has been released, managing LLM conversation context not merely as a text history but as an editable graph structure. Unlike traditional linear chat methods, users can precisely control the context passed to the model by directly manipulating nodes and edges in the graph.

Key features include:

  • Branching: Allows users to try new interpretations or questions while preserving existing paths.
  • Pruning: Excludes unnecessary conversation flows from the context to save tokens and enhance model focus.
  • Merge: Combines different reasoning paths to derive comprehensive answers.
  • Inspect: Previews the message sequence, node order, and token count that the model will actually receive before generation.

By transparently showing how context is passed to the model, this tool addresses issues such as incorrect answers or unnecessary information injection caused by 'hidden context'. It is available as both a desktop app (macOS, Windows, Linux) and a web version.

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