Official MCP RegistryListed
JSON to TOON
Convert JSON to TOON (about 40% fewer LLM tokens) and TOON back to JSON. Free, no auth.
First seen 4 Oct 2026. Evidence as of 6 Oct 2026.
2
Tools
From an anonymous probe
1
Source listings
Each with its own history
1
Recorded changes
Since first seen
Tools
| Tool | Description | Behaviour |
|---|---|---|
| json_to_toon | Convert JSON to TOON (Token-Oriented Object Notation), a compact format that uses about 40% fewer LLM tokens than JSON. Best for uniform arrays of objects. | Read-only |
| toon_to_json | Decode a TOON document back to pretty-printed JSON. | Read-only |
Change history
- Listed (registry)
| Source | Listing | First seen | Last seen | Versions |
|---|---|---|---|---|
| Official MCP Registry | io.github.karta9821/json2toon | 4 Oct 2026 | 6 Oct 2026 | 1 |