Locus for ChatGPT

com.paywithlocus/locus

Pay-per-use APIs for agents: web research, data lookups, and metered endpoints billed to credits.

client:ChatGPT transport:streamable-http

Install Locus in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.paywithlocus.com/api/credits/mcp

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