Package Pricing Lab for ChatGPT

com.modernmustardseed/pricing-lab

Builds fixed-price service packages from costs and capacity, with margin and capacity math.

client:ChatGPT transport:streamable-http tools:4

Install Package Pricing Lab in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.modernmustardseed.com/pricing-lab

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