FRESH — Shared URL Freshness Intelligence for ChatGPT

io.github.gsterlingpress/fresh

Decide whether an agent should reuse cached URL knowledge or fetch the resource again.

client:ChatGPT transport:streamable-http tools:2

Install FRESH — Shared URL Freshness Intelligence in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://fresh-api-production-c783.up.railway.app/mcp

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