Telegram for messaging and SMS
When agent work ends in a message to a person, the channel matters. This Telethon-powered Telegram server is the third of four picks for messaging and SMS because it reaches people on Telegram specifically, not the carrier network the higher picks own.
For true SMS, voice, and verification flows, Twilio and Vonage are the right tools: programmable telephony with delivery across phone numbers anywhere. Telegram fits a narrower job, reaching users and groups who already live in the app, and it shares that community-chat lane with Discord MCP rather than competing with carrier-grade messaging.
How Telegram fits
For reaching Telegram users, the agent first needs to resolve who and where. resolve_username turns a handle into an entity, search_public_chats finds public channels by query, and get_chats or list_chats enumerate existing conversations the account can reach. get_chat and get_full_chat pull a conversation's details before the agent acts, and subscribe_public_channel joins a public channel to follow it.
Once the agent has resolved who and where, it can act on both sides of the conversation. send_message and send_file deliver text and attachments, reply_to_message threads a response in context, forward_message routes content between chats, and send_scheduled_message queues a delivery for later. mute_chat, unmute_chat, and archive_chat keep a busy inbox manageable alongside that send surface. The one honest limit: this server does not touch carrier telephony at all, so SMS, voice calls, and OTP codes to a phone number are not in scope. For those flows, Twilio's Verify and Messaging or Vonage's SMS with failover are the correct picks. Use this server when the recipient is on Telegram and you want the agent to reach them in that app.
Tools you would use
| Tool | What it does |
|---|---|
| list_accounts | Lists all configured Telegram accounts with profile info. |
| get_chats | Gets a paginated list of your chats. |
| subscribe_public_channel | Subscribes (joins) a public channel. |
| list_topics | Lists forum topics in a chat. |
| list_chats | Lists chats with optional filtering. |
| get_chat | Gets details of a chat by ID or username. |
| search_public_chats | Searches public chats by query. |
| resolve_username | Resolves a username to its entity ID. |
| get_full_chat | Gets full metadata for a chat. |
| mute_chat | Mutes notifications for a chat. |
FAQ
- Can the Telegram server send SMS or place calls?
- No. It works entirely inside Telegram and has no carrier telephony. For SMS, voice, or OTP verification to a phone number, Twilio or Vonage are the right servers; Telegram reaches users within the app.
- Why is Telegram ranked behind Twilio and Vonage here?
- The task spans SMS and carrier messaging, where Twilio and Vonage deliver to any phone number with verification and failover. Telegram reaches only Telegram users, so it is third of four: strong for that audience, narrow for the broader job.