Charts Visualization MCP Server

Charts Visualization

This project provides a web-based service for generating and visualizing bar and pie charts from structured data using FastAPI and Altair. Charts are generated as PNG images and served via a REST API.

Features

Generate bar and pie charts from input data
Save charts as PNG images in a static directory
Access generated charts via unique URLs
Extensible with new chart types

Project Structure

charts_visualization/
├── requirements.txt         # Python dependencies
├── README.md                # Project documentation
├── src/
│   ├── server.py            # FastAPI server and MCP integration
│   ├── client.py            # Example client for interacting with the server
│   ├── charts/
│   │   ├── bar_chart.py     # Bar chart generation logic
│   │   ├── pie_chart.py     # Pie chart generation logic
│   │   └── __init__.py
│   └── model/
│       └── main.py          # Data models and shared logic
├── static/
│   └── charts/              # Generated chart images (PNG)

Setup

Clone the repository:
git clone <repo-url> cd charts_visualization
Create a virtual environment and install dependencies:
python3 -m venv .venv source .venv/bin/activate pip install -r requirements.txt

Running the Server

Start the FastAPI server (from the project root):

python src/server.py

Or with Uvicorn:

uvicorn src.server:app --host 0.0.0.0 --port 8000
uv run python server.py

for inspection :

 uv run mcp dev server.py

Usage

Use the provided client (src/client.py) or send requests to the /mcp endpoint to generate charts.
Generated charts are saved in static/charts/ and accessible via URLs like http://localhost:8000/static/charts/<chart_id>.png.

Requirements

Python 3.9+
FastAPI
Uvicorn
Altair
(See requirements.txt for full list)

Extending

To add new chart types, implement a new function in src/charts/, register it as an MCP tool in src/server.py, and update the client as needed.

License

MIT License

This server cannot be installed

security - not tested

license - not found

quality - not tested

How are these scores calculated?

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

Enables generation and visualization of bar and pie charts from structured data using FastAPI and Altair. Charts are saved as PNG images and served via REST API endpoints with unique URLs.

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