Text Processing

Introduce Errors in Text

Quickly randomly change letters in text and make mistakes

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/text-error-introducer' \
  -H 'Content-Type: application/json' \
  -d '{"textInput":"Enter text to introduce errors in...","errorRate":5,"errorTypes":["substitution","transposition"],"preserveWords":true,"seed":0}'

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/text-error-introducer

Parameters

Name	Type	Required	Description
textInput	textarea	Yes	—
errorRate	number	Yes	—
errorTypes	select	Yes	—
preserveWords	checkbox	No	—
seed	number	No	—

Response format

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-text-error-introducer": {
      "name": "text-error-introducer",
      "description": "Quickly randomly change letters in text and make mistakes",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=text-error-introducer",
      "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": "text-error-introducer",
    "arguments": {
  "textInput": "Enter text to introduce errors in...",
  "errorRate": 5,
  "errorTypes": [
    "substitution",
    "transposition"
  ],
  "preserveWords": true,
  "seed": 0
}
  }
}

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/text-error-introducer' \ -H 'Content-Type: application/json' \ -d '{"textInput":"Enter text to introduce errors in...","errorRate":5,"errorTypes":["substitution","transposition"],"preserveWords":true,"seed":0}'

Name

Type

Required

Description

textInput

textarea

Yes

—

errorRate

number

Yes

—

errorTypes

select

Yes

—

preserveWords

checkbox

—

seed

number

—

{ "mcpServers": { "elysiatools-text-error-introducer": { "name": "text-error-introducer", "description": "Quickly randomly change letters in text and make mistakes", "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=text-error-introducer", "command": "", "args": [], "env": {}, "isActive": true, "type": "sse" } } }

{ "jsonrpc": "2.0", "id": 2, "method": "tools/call", "params": { "name": "text-error-introducer", "arguments": { "textInput": "Enter text to introduce errors in...", "errorRate": 5, "errorTypes": [ "substitution", "transposition" ], "preserveWords": true, "seed": 0 } } }