The AI-native wire format for structured data. 100% comprehension on every frontier model. 71% fewer tokens than JSON. 33B+ lossless round-trips across 5 formats. Spec v3.1 Stable.
mcp gemini tokens openai data-serialization structured-data gcf json-alternative ai-agents wire-format agent-communication llm anthropic model-context-protocol mcp-tools token-optimization token-efficiency llm-benchmark toon-alternative graph-compact-format
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Updated
Jun 20, 2026