OnceAsk for ChatGPT

io.github.rsb6061/onceask

MCP server for OnceAsk, the AI-native current-address layer for people and agents.

client:ChatGPT transport:streamable-http tools:4

Install OnceAsk in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://onceask.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