Summary
A straightforward image resizing tool that takes URLs as input and outputs PNG, JPEG, or WebP formats. It runs as a remote service over SSE transport and requires x402 micropayments per operation, so you'll need to factor that into your workflow if you're planning high volume usage. The repository is fairly minimal with no readme or documentation visible, which means you'll be working directly from the API interface Claude exposes. Reach for this when you need on-demand resizing without setting up your own image processing infrastructure, though the payment requirement makes it better suited for occasional transforms than batch operations.
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Tools
Public tool metadata for what this MCP can expose to an agent.
1 tools
media_resize_imageUse this when you need to resize an image from a URL or convert its format. Returns the resized image as base64 with metadata in JSON. Returns: 1. image (base64-encoded data) 2. originalWidth and ori4 params
Use this when you need to resize an image from a URL or convert its format. Returns the resized image as base64 with metadata in JSON. Returns: 1. image (base64-encoded data) 2. originalWidth and ori
Parameters* required
urlstringURL of the image to resize
widthnumberTarget width in pixels (maintains aspect ratio if height is omitted)
formatstringOutput format: 'png', 'jpeg', or 'webp' (default: png)
heightnumberTarget height in pixels (maintains aspect ratio if width is omitted)
Image Resize API
Resize images from URL -- custom width/height, format conversion (PNG/JPEG/WebP), aspect ratio preserved. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.
Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.
Quickstart -- MCP
Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):
{
"mcpServers": {
"image-resize": {
"url": "https://image-resize.api.klymax402.com/mcp"
}
}
}
Quickstart -- HTTP (x402)
curl -X POST "https://image-resize.api.klymax402.com/api/resize" \
-H "Content-Type: application/json" \
-d '{"url":"https://example.com"}'
# -> 402 Payment Required, with an x402 payment challenge in the response body
Any x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.
Tools
| Tool | Method | Path | Price | Description |
|---|---|---|---|---|
media_resize_image | POST | /api/resize | $0.003 | Resize an image from URL |
media_resize_image
Use this when you need to resize an image from a URL or convert its format. Returns the resized image as base64 with metadata in JSON.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
url | string | yes | URL of the image to resize |
width | number | no | Target width in pixels (maintains aspect ratio if height is omitted) |
height | number | no | Target height in pixels (maintains aspect ratio if width is omitted) |
format | string | no | Output format: 'png', 'jpeg', or 'webp' (default: png) |
Example response:
{"image":"iVBORw0KGgo...","originalWidth":1920,"originalHeight":1080,"newWidth":800,"newHeight":450,"format":"webp","fileSizeBytes":24500}
When to use: creating thumbnails, optimizing images for web, preparing social media images, resizing for email templates, and batch image processing.
Not for: OCR text extraction (use media_extract_text_from_image), QR code generation (use utility_generate_qr_code), screenshots (use capture_screenshot).
Example agent prompts
- "Resize an image from a URL or convert its format"
Payment
- Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key
- Network: Base L2 (
eip155:8453) - Asset: USDC
- Facilitator: Coinbase CDP (primary), PayAI (fallback)
- Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)
Part of klymax402
100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.
- Catalog: https://klymax402.com/llms.txt
- Full API reference: https://klymax402.com/llms-full.txt
- Live stats: https://klymax402.com/stats
License
MIT
Featured
Notes, actions and memory. Without a meeting bot. First month 100% off.
Download for free →Keep your Mac awake while Claude Code and 40+ AI agents run. Sleeps when they're idle.
One time payment $9 →Give your AI agent a complete email layer—sending, inbound inboxes, and sandbox testing.
Get 4K emails/month free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →