Text Processing

Leet Speak Converter

Convert text to and from leet speak (1337). Encode with Basic, Full, or Caps styles, or decode leet back to plain text.

text· Text resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/leet-speak-converter' \
  -H 'Content-Type: application/json' \
  -d '{"text":"leet speak","action":"encode","style":"basic"}'

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/leet-speak-converter

Parameters

Name	Type	Required	Description
text	textarea	Yes	—
action	select	Yes	—
style	select	Yes	—

Response format

Text result

JSON

{
  "result": "Processed text content",
  "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-leet-speak-converter": {
      "name": "leet-speak-converter",
      "description": "Convert text to and from leet speak (1337). Encode with Basic, Full, or Caps styles, or decode leet back to plain text.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=leet-speak-converter",
      "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": "leet-speak-converter",
    "arguments": {
  "text": "leet speak",
  "action": "encode",
  "style": "basic"
}
  }
}

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

Name

Type

Required

Description

text

textarea

Yes

—

action

select

Yes

—

style

select

Yes

—

{ "mcpServers": { "elysiatools-leet-speak-converter": { "name": "leet-speak-converter", "description": "Convert text to and from leet speak (1337). Encode with Basic, Full, or Caps styles, or decode leet back to plain text.", "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=leet-speak-converter", "command": "", "args": [], "env": {}, "isActive": true, "type": "sse" } } }

{ "jsonrpc": "2.0", "id": 2, "method": "tools/call", "params": { "name": "leet-speak-converter", "arguments": { "text": "leet speak", "action": "encode", "style": "basic" } } }