MCP server · CompressIO

CompressIO MCP Server

Official hosted MCP server for the CompressIO image API, advertised on https://api.compressio.cc/ ("Point your MCP client at https://api.compressio.cc/mcp and call compress_image") and published in the official MCP Registry as io.github.zhaoyaqi18/compressio (streamable-http remote).

Open endpoint → CompressIO provider profile

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Provider: CompressIO Type: Hosted endpoint Transport: Host: api.compressio.cc

Endpoint

https://api.compressio.cc/mcp

Hosted endpoint · transport

Connect

This is a remote MCP server — point an MCP client at the endpoint URL. Clients with native remote support (Claude, Cursor, VS Code, …):

# mcp client config (e.g. .mcp.json / mcp settings) { "mcpServers": { "compressio-cc": { "url": "https://api.compressio.cc/mcp" } } }

For stdio-only clients (older Claude Desktop, etc.), bridge with mcp-remote:

# Add to claude_desktop_config.json { "mcpServers": { "compressio-cc": { "command": "npx", "args": ["-y", "mcp-remote", "https://api.compressio.cc/mcp"] } } }

If the server requires authentication, add the provider's token/header (e.g. an X-API-Key) per its docs. A quick reachability check:

curl -i -X POST https://api.compressio.cc/mcp \ -H "Content-Type: application/json" -H "Accept: application/json, text/event-stream" \ -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'

Tools

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

About MCP

The Model Context Protocol (MCP) is an open protocol Anthropic introduced for connecting LLM-based agents to external tools and data sources. Providers publish MCP servers that expose their API surface as structured, discoverable tools — an MCP-compatible client (Claude Desktop, Cursor, Cline, Continue, etc.) can connect to the server and call its tools without any per-provider integration code.

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