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TOON

Token-Oriented Object Notation

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https://toonformat.dev

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README.md

TOON

Compact, human-readable serialization of JSON data for LLM prompts.

Homepage • Why tho? • Contribute

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toon toon Public

🎒 Token-Oriented Object Notation (TOON) – Compact, human-readable, schema-aware JSON for LLM prompts. Spec, benchmarks, TypeScript SDK.

TypeScript 24.8k 1.1k

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Showing 10 of 12 repositories

toon-java Public
☕ Community-driven Java implementation of TOON

toon-format/toon-java’s past year of commit activity

Java 151 MIT 24 0 3 Updated Jul 11, 2026
spec Public
Official specification for Token-Oriented Object Notation (TOON)

toon-format/spec’s past year of commit activity

JavaScript 310 MIT 35 6 5 Updated Jun 12, 2026
toon Public
🎒 Token-Oriented Object Notation (TOON) – Compact, human-readable, schema-aware JSON for LLM prompts. Spec, benchmarks, TypeScript SDK.

toon-format/toon’s past year of commit activity

TypeScript 24,832 MIT 1,102 7 (1 issue needs help) 13 Updated Jun 12, 2026
toon-rust Public
🦀 Community-driven Rust implementation of TOON

toon-format/toon-rust’s past year of commit activity

Rust 162 MIT 25 4 2 Updated May 22, 2026
toon-python Public
🐍 Community-driven Python implementation of TOON

toon-format/toon-python’s past year of commit activity

Python 740 MIT 59 16 9 Updated May 20, 2026
toon-dart Public
📦 Community-driven Dart implementation of TOON

toon-format/toon-dart’s past year of commit activity

Dart 13 MIT 3 1 0 Updated Mar 24, 2026
toon-dotnet Public
🔵 Community-driven .NET implementation of TOON

toon-format/toon-dotnet’s past year of commit activity

C# 106 MIT 25 1 3 Updated Mar 12, 2026
ToonFormat.jl Public
🔵 Community-driven Julia implementation of TOON

toon-format/ToonFormat.jl’s past year of commit activity

Julia 8 MIT 2 1 1 Updated Feb 16, 2026
toon-swift Public
🐦‍🔥 Community-driven Swift implementation of TOON

toon-format/toon-swift’s past year of commit activity

Swift 79 MIT 10 0 0 Updated Feb 7, 2026
vscode Public
Visual Studio Code extension for TOON format support

toon-format/vscode’s past year of commit activity

TypeScript 16 MIT 5 0 2 Updated Dec 2, 2025

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toon serialization llm

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