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Design

Add Pattern Effect

Add geometric pattern overlays to images with customizable colors, size, and rotation

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Quick start

Call this tool from your code in three languages.

cURL
# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/image-add-pattern' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"imageFile.ext","contentType":"application/octet-stream","size":12345}'

# 2) PUT the file bytes directly to the presigned uploadUrl
curl -X PUT '<presigned uploadUrl>' \
  --data-binary @/path/to/file.ext

# 3) Call the tool, passing the returned storageKey for each file field
curl -X POST 'https://api.elysiatools.com/en/api/tools/image-add-pattern' \
  -F 'imageFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
  -F 'patternType=dots' \
  -F 'foregroundColor=#000000' \
  -F 'backgroundColor=#ffffff' \
  -F 'size=10' \
  -F 'spacing=20' \
  -F 'opacity=0.8' \
  -F 'rotation=0' \
  -F 'blendMode=overlay' \
  -F 'outputFormat=original' \
  -F 'quality=90'

© 2026 Elysia Tools. Developer documentation.

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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-add-pattern

Parameters

NameTypeRequiredDescription
imageFilefileupload requiredYesUpload any image file to add pattern effect to
patternTypeselectNoChoose the type of geometric pattern
foregroundColorcolorNoColor of the pattern elements
backgroundColorcolorNoBackground color of the pattern
sizenumberNoSize of pattern elements (1-50 pixels)
spacingnumberNoSpacing between pattern elements (5-100 pixels)
opacitynumberNoOpacity of the pattern (0.0 to 1.0)
rotationnumberNoRotation angle of the pattern (0-360 degrees)
blendModeselectNoChoose how the pattern blends with the image
outputFormatselectNoChoose output format or keep original
qualitynumberNoOutput quality for lossy formats (WebP, JPEG)
File-type parameters must be uploaded first via POST /upload/image-add-pattern, then the returned filePath is passed to the corresponding file field.

Response format

File result

JSON
{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

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-add-pattern": {
      "name": "image-add-pattern",
      "description": "Add geometric pattern overlays to images with customizable colors, size, and rotation",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=image-add-pattern",
      "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-add-pattern",
    "arguments": {
  "imageFile": "https://example.com/file.ext",
  "patternType": "dots",
  "foregroundColor": "#000000",
  "backgroundColor": "#ffffff",
  "size": 10,
  "spacing": 20,
  "opacity": 0.8,
  "rotation": 0,
  "blendMode": "overlay",
  "outputFormat": "original",
  "quality": 90
}
  }
}
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).
File parameters accept a public file URL only (https://…). Local paths, data: URIs, and Base64 strings are not supported.

Questions or issues? Contact [email protected]

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