{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"com.siellabs/siel","description":"Send SMS and OTPs, and read messages, prices and the balance. Sign in, or use an API key.","title":"Siel","version":"1.1.0","websiteUrl":"https://docs.siellabs.com/ai-agents","remotes":[{"type":"streamable-http","url":"https://api.siellabs.com/mcp","headers":[{"description":"Bearer and a Siel API key, from API keys in the web app. Leave it out to sign in with your Siel account instead. A key with only the Read permission can't send.","value":"Bearer {api_key}","isSecret":true,"variables":{"api_key":{"description":"Your Siel API key","isSecret":true}},"name":"Authorization"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-11-14T19:32:10.780016Z","publishedAt":"2026-11-14T19:32:10.780016Z","updatedAt":"2026-11-14T19:32:10.780016Z","isLatest":true}}}