Liminal Presence Interface (LPI) — semantic interface defining how presence enters interaction without reducing identity to behavior.

PICTOGRAM v1.0 - Universal Visual Semantic Protocol with PSH-256 cryptographic hashing

LNMP – A protocol that carries meaning, enabling efficient and semantically consistent communication between LLM-native and autonomous systems.

AXL Protocol v3: Universal semantic language for AI agent communication. Deterministic English-to-AXL compression (no LLM, or optional). 7 cognitive operations, 6 subject tags, 75-line self-bootstrapping kernel. pip install axl-core

Universal semantic protocol for AI-to-AI communication - Python implementation