Text Processing

Chinese Character Extractor (汉字提取器)

Extract all Chinese characters from text, filtering out punctuation and English letters, numbers, and non-Chinese symbols

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/chinese-character-extractor' \
  -H 'Content-Type: application/json' \
  -d '{"text":"Paste or type text containing Chinese characters to extract...","includePunctuation":false,"mode":"characters","uniqueOnly":false}'

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/chinese-character-extractor

Parameters

Name	Type	Required	Description
text	textarea	Yes	—
includePunctuation	checkbox	No	Include Chinese punctuation marks (，。！？、；：""''（）【】《》) in the extraction
mode	select	No	Choose how to extract Chinese content
uniqueOnly	checkbox	No	Return only unique characters/words/phrases (remove duplicates)

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-chinese-character-extractor": {
      "name": "chinese-character-extractor",
      "description": "Extract all Chinese characters from text, filtering out punctuation and English letters, numbers, and non-Chinese symbols",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=chinese-character-extractor",
      "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": "chinese-character-extractor",
    "arguments": {
  "text": "Paste or type text containing Chinese characters to extract...",
  "includePunctuation": false,
  "mode": "characters",
  "uniqueOnly": false
}
  }
}

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]

Browse tools Open tool

curl -X POST 'https://api.elysiatools.com/en/api/tools/chinese-character-extractor' \ -H 'Content-Type: application/json' \ -d '{"text":"Paste or type text containing Chinese characters to extract...","includePunctuation":false,"mode":"characters","uniqueOnly":false}'

Name

Type

Required

Description

text

textarea

Yes

—

includePunctuation

checkbox

Include Chinese punctuation marks (，。！？、；：""''（）【】《》) in the extraction

mode

select

Choose how to extract Chinese content

uniqueOnly

checkbox

Return only unique characters/words/phrases (remove duplicates)

{ "mcpServers": { "elysiatools-chinese-character-extractor": { "name": "chinese-character-extractor", "description": "Extract all Chinese characters from text, filtering out punctuation and English letters, numbers, and non-Chinese symbols", "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=chinese-character-extractor", "command": "", "args": [], "env": {}, "isActive": true, "type": "sse" } } }

{ "jsonrpc": "2.0", "id": 2, "method": "tools/call", "params": { "name": "chinese-character-extractor", "arguments": { "text": "Paste or type text containing Chinese characters to extract...", "includePunctuation": false, "mode": "characters", "uniqueOnly": false } } }