Simple Bar Chart Generator Mcp

What This MCP Server Does

Endpoint

POST https://mcp-test-tb.onrender.com/generate-bar-chart

Input Example

{
  "labels": ["Math", "Science", "English"],
  "data": [85, 92, 78]
}

The Bar Chart Generator MCP Server transforms structured numeric data into a clean, downloadable PDF containing a bar chart. It streamlines data visualization without the need for front-end rendering libraries, making it ideal for backend or automated pipelines.

Key Features:

Accepts JSON input with labels and data arrays

Generates a bar chart using Chart.js

Returns a high-quality, printable PDF

Runs on a lightweight Node.js server

Easy to integrate with AI agents, reporting systems, or educational tools

Perfect For:

Skill assessment dashboards

Student performance reports

Instant chart generation in AI pipelines

Admin/teacher tools that require quick data visuals

Example Use Case:
A teacher uploads student scores → An AI agent extracts the scores → This MCP server generates a chart → PDF is attached to feedback.