IBM Granite x402 Remote for ChatGPT
io.github.nirholas/ibm-x402-mcp-remote
Pay-per-use IBM Granite AI via x402: chat, code, embeddings, forecasting. USDC on Base or Solana.
client:ChatGPT
transport:streamable-http
Install IBM Granite x402 Remote in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://three.ws/api/ibm-mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs