PyPI recent updates for toolproof-receipt https://pypi.org/project/toolproof-receipt/ Recent updates to the Python Package Index for toolproof-receipt en 0.5.2 https://pypi.org/project/toolproof-receipt/0.5.2/ Agent tool verification - catch hallucinated tool calls with signed execution receipts, now with MTG (Morphological Type Guards) integration Mon, 01 Jun 2026 02:23:20 GMT