sentinel 402 for ChatGPT
xyz.verifiedky/sentinel-402
Independent uptime oracle for the x402 agent economy. Free probes, paid history via USDC on Base.
client:ChatGPT
transport:streamable-http
Install sentinel 402 in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.verifiedky.xyz/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs