Carbon Arc for ChatGPT

io.github.carbon-arc/mcp

The infrastructure for the AI economy: primitives for inference, agents, and decisions.

client:ChatGPT transport:streamable-http

Install Carbon Arc in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.carbonarc.ai

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