MCP server

TinyPNG MCP by usefulapi

io.usefulapi/tinypng

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Compress, resize and convert images with TinyPNG by URL, and check this month's compression count.

Working at last checkVerified publisher: usefulapi.ioAbout 1,433 tokens per request once connected4 tools

https://tinypng.usefulapi.io/mcp

At a glance

Type: MCP server
Publisher: usefulapi.io (verified by the MCP Registry)
Status: Working at last check
Tools: 4
Token cost: About 1,433 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 25 Oct 2026, 20:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http tinypng https://tinypng.usefulapi.io/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.tinypng]
url = "https://tinypng.usefulapi.io/mcp"

Gemini CLI

{"mcpServers":{"tinypng":{"httpUrl":"https://tinypng.usefulapi.io/mcp"}}}

Cursor

{"mcpServers":{"tinypng":{"url":"https://tinypng.usefulapi.io/mcp"}}}

VS Code

{"servers":{"tinypng":{"type":"http","url":"https://tinypng.usefulapi.io/mcp"}}}

Antigravity

agy mcp add tinypng https://tinypng.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"tinypng","server_url":"https://tinypng.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"tinypng","server_url":"https://tinypng.usefulapi.io/mcp"}

tinypng_compress_image ~307 tokens
WRITE (uses quota): ask TinyPNG (Tinify) to fetch a public image by URL and compress it (JPEG, PNG, WebP, AVIF or JPEG XL). Returns the output_url (Tinify's Location address of the compressed image), the compressed size and type, the savings when the input size is known, and the Compression-Count he
tinypng_download_image ~202 tokens
Fetch the compressed image of an earlier tinypng_compress_image (its output_url, valid about 48 hours) and return it as an image with its type, byte size, width and height. Images over 1 MB are described but not returned inline. Downloading does not use extra compression quota. GET /output/{id}.
tinypng_get_usage ~138 tokens
How many compressions your Tinify API key has used this calendar month (the Compression-Count header), and whether the key is valid. The check sends an empty request that Tinify refuses, so nothing is compressed and no quota is used. Compare with your Tinify plan (the free plan includes 500 per mont
tinypng_transform_image ~786 tokens
WRITE (uses quota): apply a resize, a format conversion and/or metadata preservation to an image compressed earlier (the output_url from tinypng_compress_image, valid about 48 hours). Returns the resulting type, byte size, width, height and Compression-Count; the image itself is returned too when in

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