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JSON to TOON MCP

v1.0.0

io.github.karta9821/json2toon

Convert JSON to TOON (about 40% fewer LLM tokens) and TOON back to JSON. Free, no auth.

transport:streamable-http tools:2

Target client

run in your project directory

claude mcp add --transport http json2toon https://json2toon.co/api/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

json_to_toon

json to toon

toon_to_json

toon to json

All 2 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.