Link Preview Cache API for ChatGPT
io.github.cmondillo/link-preview-cache-api
Same link preview data as link-preview-api, ~1/3 the price via a shared cache.
client:ChatGPT
transport:streamable-http
Install Link Preview Cache API in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://link-preview-cache-api.onrender.com/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs