Design

Image Posterize Effect

Apply posterize effect that reduces color levels to create flat, poster-like appearance

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Quick start

Call this tool from your code in three languages.

cURL

# 1) Upload each file first → returns { filePath }
curl -X POST 'https://api.elysiatools.com/upload/image-posterize' \
  -F 'file=@/path/to/imageFile.ext'

# 2) Call the tool with the returned filePath values
curl -X POST 'https://api.elysiatools.com/en/api/tools/image-posterize' \
  -F 'imageFile=/path/to/file.ext' \
  -F 'levels=4' \
  -F 'mode=basic' \
  -F 'format=original' \
  -F 'quality=95'

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/image-posterize

Parameters

Name	Type	Required	Description
imageFile	fileupload required	Yes	Upload image for posterize effect
levels	range	No	Number of color levels to reduce to (2-16, fewer = more poster-like)
mode	select	No	—
format	select	No	—
quality	number	No

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-image-posterize": {
      "name": "image-posterize",
      "description": "Apply posterize effect that reduces color levels to create flat, poster-like appearance",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=image-posterize",
      "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": "image-posterize",
    "arguments": {
  "imageFile": "https://example.com/file.ext",
  "levels": "4",
  "mode": "basic",
  "format": "original",
  "quality": 95
}
  }
}

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).

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