toon-formatter
About
The toon-formatter skill automatically converts large, repetitive JSON structures (like arrays, tables, or API responses) into the compact TOON format to save 30-60% on token usage. It intelligently applies to arrays with 5+ similar items and supports tabular, inline, and expanded layouts with various delimiters. Use it when optimizing structured data, logs, or database results for significant token reduction.
Quick Install
Claude Code
Recommendednpx skills add raintree-technology/claude-starter -a claude-code/plugin add https://github.com/raintree-technology/claude-startergit clone https://github.com/raintree-technology/claude-starter.git ~/.claude/skills/toon-formatterCopy and paste this command in Claude Code to install this skill
GitHub Repository
Frequently asked questions
What is the toon-formatter skill?
toon-formatter is a Claude Skill by raintree-technology. Skills package instructions and resources that Claude loads on demand, so Claude can perform toon-formatter-related tasks without extra prompting.
How do I install toon-formatter?
Use the install commands on this page: add toon-formatter to Claude Code as a plugin, or clone its repository into your skills directory, then restart Claude so it picks up the skill.
What category does toon-formatter belong to?
toon-formatter is in the Development category, tagged api and data.
Is toon-formatter free to use?
Yes. toon-formatter is listed on AIMCP and free to install. It runs inside Claude, so no separate service account is required to use the skill itself.
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