Hey HN,
When an AI agent makes a decision, it evaluates several options and picks one. The rest disappear forever – you never see what it almost did or why it rejected the alternatives.
I built GhostTrace to fix that. It captures "Phantom Branches": the actions your agent considered but rejected, with the reasoning for each rejection. All saved to a .ghost.json file you can replay and inspect.
Quick demo:
ghosttrace record Recorded 4 decisions with 5 phantom branches Saved to gt_a1b2c3d4.ghost.json
ghosttrace replay gt_ghost.json --show-phantoms
Step 1: read_file → src/auth.py REJECTED: write_file (premature) REJECTED: search_codebase (too broad)
pip install ghosttrace
PyPI: https://pypi.org/project/ghosttrace/
It's framework-agnostic for now, but what agent frameworks should I integrate first? LangChain? CrewAI? OpenAI Agents SDK?
Feedback very welcome!
Comments URL: https://news.ycombinator.com/item?id=47057488
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