afterns for ChatGPT

com.afterns/earnings

US stock earnings: next-day price reactions, beat/miss history, calendar, call summaries (KO/EN)

client:ChatGPT transport:streamable-http tools:4

Install afterns in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://afterns.com/api/mcp

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