AgentIndex for ChatGPT

io.github.agentndx/agentindex

Search 15K+ MCP services, A2A agents, and x402 APIs from 5 registries. Paid via x402 (USDC on Base).

client:ChatGPT transport:streamable-http

Install AgentIndex in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://agentndx-production.up.railway.app

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