Text Processing
Sensitive Data Masker
Automatically detect and mask sensitive information like phone numbers, emails, ID cards, and bank cards in text
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/sensitive-data-masker' \
-H 'Content-Type: application/json' \
-d '{"text":"Paste text containing sensitive data (phones, emails, ID cards, bank cards)...","maskPhone":true,"maskEmail":true,"maskIdCard":true,"maskBankCard":true,"preserveDigits":4,"maskChar":"*"}'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/sensitive-data-maskerParameters
| Name | Type | Required | Description |
|---|---|---|---|
| text | textarea | Yes | — |
| maskPhone | checkbox | No | Detect and mask phone numbers (China, US, and international formats) |
| maskEmail | checkbox | No | Detect and mask email addresses |
| maskIdCard | checkbox | No | Detect and mask ID card numbers (Chinese ID, US SSN, etc.) |
| maskBankCard | checkbox | No |
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-sensitive-data-masker": {
"name": "sensitive-data-masker",
"description": "Automatically detect and mask sensitive information like phone numbers, emails, ID cards, and bank cards in text",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=sensitive-data-masker",
"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": "sensitive-data-masker",
"arguments": {
"text": "Paste text containing sensitive data (phones, emails, ID cards, bank cards)...",
"maskPhone": true,
"maskEmail": true,
"maskIdCard": true,
"maskBankCard": true,
"preserveDigits": 4,
"maskChar": "*"
}
}
}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]