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Text Processing

Em-dash & Typographic Purifier

Convert AI-typical plain ASCII into proper typography: -- and --- become en/em dashes, straight quotes become curly/smart quotes (locale-aware), ... becomes a single ellipsis …, spaced dashes are tightened, and repeated spaces collapse — while fenced ``` code blocks and `inline` code are left untouched.

html· HTML resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/em-dash-and-typographic-purifier' \
  -H 'Content-Type: application/json' \
  -d '{"text":"The API -- which we launched in 2020 -- was \"revolutionary\" according to users... It'\''s fast, reliable, and \"just works\".","locale":"en","conversions":"all","fixSpacedDash":true,"fixSpaces":true,"preserveCode":true}'

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/em-dash-and-typographic-purifier

Parameters

NameTypeRequiredDescription
texttextareaYes—
localeselectNo—
conversionsselectNo—
fixSpacedDashcheckboxNo—
fixSpacescheckboxNo—
preserveCode

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-em-dash-and-typographic-purifier": {
      "name": "em-dash-and-typographic-purifier",
      "description": "Convert AI-typical plain ASCII into proper typography: -- and --- become en/em dashes, straight quotes become curly/smart quotes (locale-aware), ... becomes a single ellipsis …, spaced dashes are tightened, and repeated spaces collapse — while fenced ``` code blocks and `inline` code are left untouched.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=em-dash-and-typographic-purifier",
      "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": "em-dash-and-typographic-purifier",
    "arguments": {
  "text": "The API -- which we launched in 2020 -- was \"revolutionary\" according to users... It's fast, reliable, and \"just works\".",
  "locale": "en",
  "conversions": "all",
  "fixSpacedDash": true,
  "fixSpaces": true,
  "preserveCode": true
}
  }
}
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checkbox
No
—

Response format

HTML result

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