Render themed charts as hosted URLs. Embed in markdown, emails, and Slack. Hosted MCP, zero setup.
Connect Runs on your machine
claude mcp add chartone -e CHARTONE_API_KEY=<CHARTONE_API_KEY> -- npx -y @chartone/[email protected]{
"mcpServers": {
"chartone": {
"command": "npx",
"args": [
"-y",
"@chartone/[email protected]"
],
"env": {
"CHARTONE_API_KEY": "<CHARTONE_API_KEY>"
}
}
}
}{
"mcpServers": {
"chartone": {
"command": "npx",
"args": [
"-y",
"@chartone/[email protected]"
],
"env": {
"CHARTONE_API_KEY": "<CHARTONE_API_KEY>"
}
}
}
}{
"servers": {
"chartone": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@chartone/[email protected]"
],
"env": {
"CHARTONE_API_KEY": "<CHARTONE_API_KEY>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
CHARTONE_API_KEYOptional, secret | Optional API key for higher quota and no watermark. Anonymous mode works without a key — charts return watermarked with a 7-day URL. |
Details
| Package | @chartone/[email protected] (NPM, stdio) |
| First published | 8 Oct 2026 |
| Last updated | 8 Oct 2026 |
| Registry name | io.github.zhugejun/chartone |
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