Northline ChainKit for ChatGPT

dev.workers.northline-c86.northline-chainkit/chainkit

Pay-per-call Base & Arc onchain facts for agents: address risk, USDC payment check, tx explain.

client:ChatGPT transport:streamable-http tools:6

Install Northline ChainKit in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://northline-chainkit.northline-c86.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