0n3
MCP servers · sms

Twilio MCP server

SMS and voice — send text messages, make calls. Hosted by 0n3: 3 endpoints your AI can call with your own Twilio account, from Claude, ChatGPT, Cursor, Claude Code, Codex or Gemini CLI. One sign-in, one key per AI, a receipt for every call.

Connect TwilioInstall into your AIWatch it work

3 endpoints3 categoriesauth: basichosted

What your AI can do with Twilio

Send sms · Send SMS messages1
Send smsPOST /Accounts/{accountSid}/Messages.json
Make call · Initiate phone calls1
Make callPOST /Accounts/{accountSid}/Calls.json
List messages · List sent messages1
List messagesGET /Accounts/{accountSid}/Messages.json

Install in three steps

  1. Create a free account at 0n3.app and connect Twilio: paste a key or sign in through a door. It lands in your vault, encrypted.
  2. Open 0n3.app/install, pick your AI. A key is made for that AI alone; copy the line it gives you.
  3. Ask your AI: whoami. It answers with your connected services. Then ask it to send sms in Twilio.
Install (user scope — every project)
claude mcp add --transport http --scope user 0n3 https://0n3.app/mcp --header "Authorization: Bearer <your 0n token>"

Connect Twilio to

Claude Code + TwilioMCP server + skillClaude (desktop & claude.ai) + TwilioconnectorChatGPT + Twilioconnector · GPT actionCodex CLI + TwilioMCP serverGemini CLI + TwilioMCP serverCursor + TwilioMCP serverVS Code (Copilot) + TwilioMCP serverWindsurf + TwilioMCP server

Questions

What can an AI do with the Twilio MCP server?

3 things: send sms, make call, list messages. Every call runs with your own Twilio connection and lands on a receipt.

Do I need to run anything on my computer?

No. 0n3 is hosted. Connect Twilio once, install 0n3 into your AI with one line, done.

Where does my Twilio key go?

Into your 0n3 vault, encrypted, one record per connection. The AI never sees it.