TinyPNG MCP by usefulapi for ChatGPT

io.usefulapi/tinypng

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

client:ChatGPT transport:streamable-http tools:4

Install TinyPNG MCP by usefulapi in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://tinypng.usefulapi.io/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs