# chartbytes-mcp

> chartbytes-mcp — haswell119-chartbytes-mcp. Use this tool when you need to generate visual representations of data in various chart formats, such as bar, line, or pie charts, from any MCP client. It solves problems of data visualization by providing a zero-dependency Python solution that takes data as input and outputs chart images. Ideal for use cases where data needs to be quickly and easily visualized, such as data analysis or reporting, with a simple stdio interface.

Canonical page: https://skillsregistry.net/skills/haswell119-chartbytes-mcp  
JSON: https://api.skillsregistry.net/v1/skills/haswell119-chartbytes-mcp

## Description

Generate chart images (bar, line, area, scatter, pie, donut) from any MCP client — the ChartBytes chart-image API over stdio. Zero-dependency Python.

## Trust

- **Trust score (0–1):** 0.97
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/Haswell119/chartbytes-mcp)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "haswell119-chartbytes-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/haswell119-chartbytes-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/haswell119-chartbytes-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt