Sky Watch MCP for ChatGPT

net.nexlab/sky-watch

Observational astronomy in one place

client:ChatGPT transport:streamable-http

Install Sky Watch MCP in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.nexlab.net/mcp/sky-watch

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