# Kraken.io — MCP server on mcp.ai > Connect your Kraken.io account and use 3 tools for images and design straight from your AI agent. Connect with your own API key. Kraken.io is an image optimization and compression platform that helps reduce image file sizes without compromising quality. By: mcp.ai · official Page: https://mcp.ai/kraken_io ## Connect (MCP protocol) Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_kraken_io?ms=1787291400000 Add it as a custom/remote MCP connector, then authenticate when prompted. ## REST API (no MCP client required) Every tool is also a REST endpoint, authed with a workspace API key. Discover: GET https://api.mcp.ai/api/kraken_io/_endpoints # public; lists every endpoint Call: POST https://api.mcp.ai/api/kraken_io/ Authorization: Bearer sk_live_… # create one at https://mcp.ai/settings/api-keys Content-Type: application/json Body: { …args } → { "ok": true, "tool": "", "result": { … } } ## Developer docs How to use (MCP or REST), markdown: https://mcp.ai/kraken_io/skill.md Postman collection (v2.1): https://mcp.ai/kraken_io/postman.json ## Tools - kraken_io_check_user_status(api_key: string, api_secret: string) — Tool to retrieve current Kraken.io account status and quota usage. Use when you need to verify plan limits and remaining quota before processing images. - kraken_io_optimize_image_url(dev?: boolean, url: string, auth: object, avif?: boolean, wait?: boolean, webp?: boolean, lossy?: boolean, resize?: object, convert?: object, quality?: integer, lossless?: boolean, s3_store?: object, preserve_metadata?: boolean) — Tool to optimize an image from a public URL. Use when you need to compress, resize, or convert an externally hosted image. Returns result immediately if 'wait' is true. - kraken_io_preserve_metadata(dev?: boolean, url?: string, auth: object, file?: string, wait?: boolean, lossy?: boolean, quality?: integer, s3_store?: object, file_name?: string, preserve_metadata?: boolean) — Tool to preserve EXIF and other metadata during Kraken.io image optimization. Use when you need to maintain metadata while compressing images. ## Example prompts - "What can I do in Kraken.io?" - "Show me a summary of my Kraken.io account" ## Links Docs: https://mcp.ai/docs/mcps/kraken_io Website: https://mcp.ai/mcps/kraken_io