Heystack for ChatGPT

dev.heystack/heystack

Observability for AI apps: investigate traces, logs, LLM usage, replays and crashes; manage alerts.

client:ChatGPT transport:streamable-http

Install Heystack in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.heystack.dev/mcp

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