S4MCP server: One MCP server.Sentinel 402Run by its publisher: served from their own domain, namespace checked by the registry. @verifiedky · External
Independent uptime oracle for the x402 agent economy. Free probes, paid history via USDC on Base.
11%11% chance this is malicious. Assessed by AI, which can make mistakes.ReadsOnly reads or looks up information. Assessed by AI, which can make mistakes.OpenA remote server; no sign-in.FreeFree to use. 11%11% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use. 11% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.