MGO — Multi-chain Gas Optimizer for ChatGPT

io.github.dlrjsdl200-byte/mgo-mcp-server

Find the cheapest EVM chain across up to 9 networks with savings %. Pay-per-call via x402 on Base.

client:ChatGPT transport:streamable-http runtime:npm tools:4

Install MGO — Multi-chain Gas Optimizer in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://x402-gas-api.vercel.app/mcp

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