TollNode

Fast 2x / 4x upscaler

upscale-fast

The classic fast upscaler: enlarge an image 2x or 4x, with optional face enhancement. The cheapest way to add resolution. Compared with other image tools: budget. Price: $0.004 per image, charged only on success. One call = one upscaled image.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "image": "<image>"
    },
    "name": "upscale-fast"
  }
}

Input Schema

Name	Required	Description
`image`	Yes	Image URL (https)
`scale`	No	Upscale factor, default 4
`face_enhance`	No	Improve faces, default false

Schema Changelog

Changes observed during successful MCP inspections.

First observedNov 15, 2026

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