{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.kaditang/402sentinel-mcp","description":"DEPRECATED: hosted 402Sentinel retired 2026-10-31. Client for x402 payment-safety checks.","repository":{"url":"https://github.com/kaditang/402sentinel-mcp","source":"github"},"version":"0.9.0","packages":[{"registryType":"npm","identifier":"@kaditang/402sentinel-mcp","version":"0.9.0","transport":{"type":"stdio"},"environmentVariables":[{"description":"A Base wallet holding USDC on-chain (no gas needed) — pays per call, from $0.002.","isRequired":true,"format":"string","isSecret":true,"name":"CLIENT_PRIVATE_KEY"},{"description":"Required since 0.9.0 (the hosted service was retired on 2026-10-31): base URL of a 402Sentinel server you trust. 402sentinel.com is refused.","isRequired":true,"format":"string","name":"SENTINEL_URL"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-10-19T01:02:21.777729Z","publishedAt":"2026-10-19T01:02:21.777729Z","updatedAt":"2026-10-19T01:02:21.777729Z","isLatest":true}}}