sentinel 402 for ChatGPT
io.github.pseudowater/sentinel-402
Uptime and price-honesty oracle for x402: trust status, attestations, USDC history.
client:ChatGPT
transport:streamable-http
Install sentinel 402 in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.sentinel402.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