kr holidays for ChatGPT

io.github.hyosikpark/kr-holidays

Official Korean public holidays incl. substitute holidays (KASI) — paid per call (x402/credits), 1 …

client:ChatGPT transport:streamable-http

Install kr holidays in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://hawker-gateway.fly.dev/mcp/kr-holidays

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