DevX Multichain Balances for ChatGPT

io.github.devx-agent/multichain-balances

Balances on 7 EVM chains, Solana, Tron: free one-chain lookup; full call 0.002 USDC via x402.

client:ChatGPT transport:streamable-http runtime:npm tools:2

Install DevX Multichain Balances in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://wallet-balances.nextill-pos.workers.dev/mcp

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