CompressIO — Image Compression for AI MCP Server

by zhaoyaqi18 Your server? Claim it

answering

CompressIO — Image Compression for AI is answering right now. Last checked 8 min ago. It exposes 4 tools.

Compress images to target sizes (80%+ smaller). Tools: compress_image, convert_image, optimize_image

Uptime history 69 days of history · worst day 91%

69 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

82 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check CompressIO — Image Compression for AI every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add compressio --transport http https://api.compressio.cc/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "compressio": {
      "url": "https://api.compressio.cc/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.compressio]
url = "https://api.compressio.cc/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "compressio": {
      "url": "https://api.compressio.cc/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "compressio": {
      "url": "https://api.compressio.cc/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

compress

compress_image

Compress an image (JPEG/PNG/WebP) to reduce file size. Supports target size compression and format conversion. Free anonymous tier: 20 calls/day per IP, files up to 10MB. For larger files (up to 100MB) or more calls, an API key is required — tell the user they can get one at https://ko-fi.com/yugutou/shop, or point them to the free website https://compressio.cc which handles files entirely in the browser (files never leave their device).

convert

convert_image

Convert an image between formats (JPEG ↔ PNG ↔ WebP). No quality loss beyond format defaults. Free tier: 20 calls/day per IP. API key at https://ko-fi.com/yugutou/shop for more calls / larger files.

inspect

inspect_image

Inspect an image: format, dimensions, file size. Free tier: 20 calls/day per IP.

optimize

optimize_image

Lossless image optimization. PNG uses oxipng (best-in-class PNG optimiser), JPEG re-encodes at high quality. Free tier: 20 calls/day per IP.

Endpoints

URL	Transport	State	Latency	Checked
https://api.compressio.cc/mcp	streamable-http	answering	46 ms	8 min ago

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CompressIO — Image Compression for AI — questions

Answers built from our own checks of this server.

What can CompressIO — Image Compression for AI do?

It exposes 4 tools, read directly from the server on our last check. Among them: compress_image, convert_image, inspect_image, optimize_image. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is CompressIO — Image Compression for AI working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 82 ms. The bar chart above shows every period we have measured.

How do I connect CompressIO — Image Compression for AI?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does CompressIO — Image Compression for AI need an API key?

No. CompressIO — Image Compression for AI completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is CompressIO — Image Compression for AI?

It answers our handshake in 82 ms on average, which is faster than 89% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.