0xCaso/pastoon
Auto-convert clipboard JSON to TOON format - 40% fewer LLM tokens. macOS tray + MCP server.
claude mcp add agentrank -- npx -y agentrank-mcp-server Overview
0xCaso/pastoon is a TypeScript MCP server licensed under MIT. Auto-convert clipboard JSON to TOON format - 40% fewer LLM tokens. macOS tray + MCP server. Topics: cli, clipboard, json, llm, macos, mcp, menu-bar, nodejs, tokens, toon, typescript.
Ranked #41 out of 110 indexed tools.
Actively maintained with commits in the last week.
Ecosystem
Score Breakdown
1 stars → early stage
Last commit today → actively maintained
No issues filed → no history to score
1 contributor → solo project
No dependents → no downstream usage
Weights: Freshness 25% · Issue Health 25% · Dependents 25% · Stars 15% · Contributors 10% · How we score →
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From the README
# pastoon
> Auto-convert clipboard JSON to TOON — 40% fewer LLM tokens, zero friction.
## What it does
Every time you copy JSON, pastoon silently converts it to [TOON format](https://github.com/toon-format/toon) before you paste — saving ~40% of tokens in LLM chat UIs, coding agents, and API calls.
```
JSON (verbose): TOON (40% fewer tokens):
{ users[3]{id,name,role}:
"users": [ 1,Alice,admin
{"id":1,"name":"Alice", 2,Bob,user
"role":"admin"}, 3,Carol,user
...
]
}
```
TOON is lossless — perfect JSON round-trip, same data model, just without the braces, quotes, and repeated keys.
## Install
```bash
npm install -g pastoon
pastoon setup
```
That's it. The `[P]` icon appears in your menu bar. Every JSON you copy is automatically converted.
Supports macOS (LaunchAgent), Linux (systemd user service), and Windows (registry Run key).
## Agent integration
pastoon is bu Read full README on GitHub → Claim this listing to add a tagline, mark deprecation status, and get a verified maintainer badge.
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