Design

Color Shortener

Shorten 6-digit HEX codes to 3-digit codes (e.g., #FFFFFF to #FFF)

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/color-shortener' \
  -H 'Content-Type: application/json' \
  -d '{"colors":"Enter HEX colors, one per line:\n#FFFFFF\n#000000\n#FF0000\n#00FF00\n#0000FF\n#123456\nabcdef","format":"uppercase","includeUnshortenable":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/color-shortener

Parameters

Name	Type	Required	Description
colors	textarea	Yes	—
format	select	Yes	—
includeUnshortenable	checkbox	No	Include colors that cannot be shortened with reasons

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-color-shortener": {
      "name": "color-shortener",
      "description": "Shorten 6-digit HEX codes to 3-digit codes (e.g., #FFFFFF to #FFF)",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=color-shortener",
      "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": "color-shortener",
    "arguments": {
  "colors": "Enter HEX colors, one per line:\n#FFFFFF\n#000000\n#FF0000\n#00FF00\n#0000FF\n#123456\nabcdef",
  "format": "uppercase",
  "includeUnshortenable": 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/color-shortener' \ -H 'Content-Type: application/json' \ -d '{"colors":"Enter HEX colors, one per line:\n#FFFFFF\n#000000\n#FF0000\n#00FF00\n#0000FF\n#123456\nabcdef","format":"uppercase","includeUnshortenable":false}'

Name

Type

Required

Description

colors

textarea

Yes

—

format

select

Yes

—

includeUnshortenable

checkbox

Include colors that cannot be shortened with reasons

{ "mcpServers": { "elysiatools-color-shortener": { "name": "color-shortener", "description": "Shorten 6-digit HEX codes to 3-digit codes (e.g., #FFFFFF to #FFF)", "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=color-shortener", "command": "", "args": [], "env": {}, "isActive": true, "type": "sse" } } }

{ "jsonrpc": "2.0", "id": 2, "method": "tools/call", "params": { "name": "color-shortener", "arguments": { "colors": "Enter HEX colors, one per line:\n#FFFFFF\n#000000\n#FF0000\n#00FF00\n#0000FF\n#123456\nabcdef", "format": "uppercase", "includeUnshortenable": false } } }