Generator

Test Data Faker Builder

Generate structured test data from field configuration with support for faker fields, regex rules, credit cards, IDs, and batch export

json· JSON resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/test-data-faker-builder' \
  -H 'Content-Type: application/json' \
  -d '{"configJson":"{\n  \"fields\": [\n    {\n      \"name\": \"fullName\",\n      \"type\": \"fullName\",\n      \"locale\": \"en\"\n    },\n    {\n      \"name\": \"email\",\n      \"type\": \"email\"\n    },\n    {\n      \"name\": \"creditCard\",\n      \"type\": \"creditCard\",\n      \"network\": \"visa\"\n    },\n    {\n      \"name\": \"status\",\n      \"type\": \"pick\",\n      \"values\": [\n        \"new\",\n        \"active\",\n        \"blocked\"\n      ]\n    },\n    {\n      \"name\": \"signupCode\",\n      \"type\": \"regex\",\n      \"pattern\": \"QA-[A-Z0-9]{6}\"\n    }\n  ]\n}","count":3,"exportFormat":"json"}'

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/test-data-faker-builder

Parameters

Name	Type	Required	Description
configJson	textarea	Yes	—
count	number	No	—
exportFormat	select	No	—

Response format

JSON result

JSON

{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

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-test-data-faker-builder": {
      "name": "test-data-faker-builder",
      "description": "Generate structured test data from field configuration with support for faker fields, regex rules, credit cards, IDs, and batch export",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=test-data-faker-builder",
      "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": "test-data-faker-builder",
    "arguments": {
  "configJson": "{\n  \"fields\": [\n    {\n      \"name\": \"fullName\",\n      \"type\": \"fullName\",\n      \"locale\": \"en\"\n    },\n    {\n      \"name\": \"email\",\n      \"type\": \"email\"\n    },\n    {\n      \"name\": \"creditCard\",\n      \"type\": \"creditCard\",\n      \"network\": \"visa\"\n    },\n    {\n      \"name\": \"status\",\n      \"type\": \"pick\",\n      \"values\": [\n        \"new\",\n        \"active\",\n        \"blocked\"\n      ]\n    },\n    {\n      \"name\": \"signupCode\",\n      \"type\": \"regex\",\n      \"pattern\": \"QA-[A-Z0-9]{6}\"\n    }\n  ]\n}",
  "count": 3,
  "exportFormat": "json"
}
  }
}

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).

Questions or issues? Contact [email protected]