Tiingo for ChatGPT

io.github.pipeworx-io/tiingo

Tiingo MCP — wraps the Tiingo financial API (tiingo.com)

client:ChatGPT transport:streamable-http

Install Tiingo in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://gateway.pipeworx.io/tiingo/mcp

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