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Data Visualization

Bar Chart Generator

Generate customizable bar charts from data with various styling options

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Quick start

Call this tool from your code in three languages.

cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/bar-chart-generator' \
  -H 'Content-Type: application/json' \
  -d '{"chartData":"JSON: [{"label": "Jan", "value": 100},\n{"label": "Feb", "value": 150},\n{"label": "Mar", "value": 120}]\n\nor text:\nJan:100\nFeb:150\nMar:120","chartTitle":"Enter chart title...","chartType":"vertical","barColor":"#3b82f6","backgroundColor":"#ffffff","gridColor":"#e0e0e0","barWidth":"50","chartHeight":"400","maxValue":0,"minValue":"0","xAxisLabel":"Category","yAxisLabel":"Value","showGrid":true,"showValues":true,"showLegend":true}'

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API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP
POST https://api.elysiatools.com/en/api/tools/bar-chart-generator

Parameters

NameTypeRequiredDescription
chartDatatextareaYesData for the chart. Can be JSON array or simple label:value pairs
chartTitletextNoTitle that will be displayed above the chart
chartTypeselectNo—
barColorcolorNoColor for the bars in the chart
backgroundColorcolorNoBackground color for the chart container
gridColorcolorNoColor for the grid lines
barWidthnumberNoWidth of each bar in pixels (auto-adjusts if too large)
chartHeightnumberNoHeight of the chart in pixels
maxValuenumberNoMaximum value for Y-axis (leave empty for auto-scale)
minValuenumberNoMinimum value for Y-axis
xAxisLabeltextNoLabel for the X-axis
yAxisLabeltextNoLabel for the Y-axis
showGridcheckboxNoDisplay horizontal grid lines for better readability
showValuescheckboxNoDisplay the actual values on top of each bar
showLegendcheckboxNoDisplay a legend below the chart

Response format

HTML result

JSON
{
  "result": "<div>Processed HTML content</div>",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json
{
  "mcpServers": {
    "elysiatools-bar-chart-generator": {
      "name": "bar-chart-generator",
      "description": "Generate customizable bar charts from data with various styling options",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=bar-chart-generator",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call
{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "bar-chart-generator",
    "arguments": {
  "chartData": "JSON: [{&quot;label&quot;: &quot;Jan&quot;, &quot;value&quot;: 100},\n{&quot;label&quot;: &quot;Feb&quot;, &quot;value&quot;: 150},\n{&quot;label&quot;: &quot;Mar&quot;, &quot;value&quot;: 120}]\n\nor text:\nJan:100\nFeb:150\nMar:120",
  "chartTitle": "Enter chart title...",
  "chartType": "vertical",
  "barColor": "#3b82f6",
  "backgroundColor": "#ffffff",
  "gridColor": "#e0e0e0",
  "barWidth": "50",
  "chartHeight": "400",
  "maxValue": 0,
  "minValue": "0",
  "xAxisLabel": "Category",
  "yAxisLabel": "Value",
  "showGrid": true,
  "showValues": true,
  "showLegend": true
}
  }
}
Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

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