Serves the `redis` capability socket from pasted connection details (host/port/password, or a full connection URL), and — like the bundled provider — claims each consumer's namespace with a sentinel key. No bundled server. Presets: AWS ElastiCache (<id>.<region>.cache.amazonaws.com:6379), Upstash (paste the rediss:// URL, tls=true), Google Memorystore, Azure Cache for Redis, Redis Cloud.