# io.github.zhugejun/chartone (npm · @chartone/mcp)

Render themed charts as hosted URLs. Embed in markdown, emails, and Slack. Hosted MCP, zero setup.

- Trust score: 60/100 (medium)
- Change this week: +18
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `@chartone/mcp`: 60/100 (this document), [markdown](https://verifymcp.io/servers/zhugejun-chartone/chartone-mcp.md), [page](https://verifymcp.io/servers/zhugejun-chartone/chartone-mcp)

## Channel facts

- Registry: `npm`
- Package: `@chartone/mcp`
- Version: `0.1.5`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-03.

- **Supply Chain Security**: 86/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 83 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 49/100
  - AI-judged instruction clarity (fair).
  - Tool/resource definitions use about 248 tokens (~124/item across 2 items; 2 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 23/100
  - Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 67/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 0% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add zhugejun-chartone -- npx -y @chartone/mcp
```

### Codex

```bash
codex mcp add zhugejun-chartone -- npx -y @chartone/mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "zhugejun-chartone": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@chartone/mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add zhugejun-chartone --command npx --arg -y --arg @chartone/mcp
```

### Hermes

```yaml
mcp_servers:
  zhugejun-chartone:
    command: "npx"
    args: ["-y", "@chartone/mcp"]
```

### Other

```json
{
  "mcpServers": {
    "zhugejun-chartone": {
      "command": "npx",
      "args": [
        "-y",
        "@chartone/mcp"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-03 (score 60, +4)

- [functional improvement] Stability: unverified → 0.23

### 2026-08-02 (score 56, +23)

- [security regression] Provenance: unverified → fail
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Install scripts: unverified → pass
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional improvement] License: unverified → pass
- [functional improvement] Schema quality: unverified → fair
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] MCP protocol: unverified → pass
- [functional] Licence: MIT

### 2026-08-01 (score 33, +15)

- [security improvement] Malware scan: unverified → pass

### 2026-07-31 (score 18, −6)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 24, 0)

- [security regression] Malware scan: pass → unverified
- [functional improvement] Tool coverage: unverified → 100

### 2026-07-28 (score 24, −18)

- [functional regression] Tool coverage: 100 → unverified
- [functional] First check of Schema quality: unverified

### 2026-07-27 (score 42)

First indexed and scored.

## MCP tools (2)

### `render_chart` (~160 tokens)

Render a branded chart from data and return it as an inline image with a persistent hosted URL. Use this tool any time the user asks to create, generate, or visualize a chart — even when also composing a message, email, or document. After the tool runs, embed the returned URL directly in your response; never write a placeholder like "[chart link]". Without an API key only the "modern" and "minimal" themes are available — default to "modern" unless the user explicitly requests a theme.

Input parameters:

- `data` (object, required)
- `format` (string)
- `height` (number)
- `theme` (string)
- `title` (string)
- `type` (string, required)
- `width` (number)

### `suggest_chart` (~88 tokens)

Given raw data and a natural-language description of intent (e.g., 'show quarterly sales trends'), ChartOne's AI picks the best chart type and theme, renders the chart, and returns it with a rationale.

Input parameters:

- `data` (object, required)
- `format` (string)
- `height` (number)
- `user_intent` (string, required)
- `width` (number)

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/zhugejun-chartone/chartone-mcp#diagnostics

## Score history

- 2026-08-03: 60
- 2026-08-02: 56
- 2026-08-01: 33
- 2026-07-31: 18
- 2026-07-30: 24
- 2026-07-28: 24
- 2026-07-27: 42

## Links

- npm package: https://www.npmjs.com/package/@chartone/mcp
- Socket report: https://socket.dev/npm/package/@chartone/mcp
- Repository: https://github.com/zhugejun/chartone-mcp
- Changelog RSS feed: https://verifymcp.io/servers/zhugejun-chartone/chartone-mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/zhugejun-chartone/chartone-mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/zhugejun-chartone/chartone-mcp