LaunchCheck x402 for ChatGPT

io.github.apolito53/launchcheck-x402

Paid x402 MCP tool for stress-testing launch and marketing copy before publication.

client:ChatGPT transport:streamable-http tools:1

Install LaunchCheck x402 in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://launchcheck-x402.fly.dev/mcp

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