@sendly/mcp

@sendly/mcp

SMS for AI agents — send messages, manage conversations, verify phone numbers via Model Context Protocol.

Quick Setup

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "sendly": {
      "command": "npx",
      "args": ["-y", "@sendly/mcp"],
      "env": {
        "SENDLY_API_KEY": "sk_test_v1_your_key_here"
      }
    }
  }
}

Cursor

Add to .cursor/mcp.json in your project:

{
  "mcpServers": {
    "sendly": {
      "command": "npx",
      "args": ["-y", "@sendly/mcp"],
      "env": {
        "SENDLY_API_KEY": "sk_test_v1_your_key_here"
      }
    }
  }
}

VS Code / Windsurf

Same pattern — set SENDLY_API_KEY in the environment and run npx @sendly/mcp as the MCP server command.

Available Tools

Messaging

Tool	Description
send_sms	Send an SMS message to a phone number
list_messages	List sent and received messages with pagination
get_message	Get details of a specific message
schedule_sms	Schedule a message for future delivery
cancel_scheduled_message	Cancel a scheduled message (credits refunded)

Conversations

Tool	Description
list_conversations	List conversation threads by recent activity
get_conversation	Get a conversation with optional message history
reply_to_conversation	Reply within a conversation (auto-sets recipient)
update_conversation	Update metadata or tags on a conversation
close_conversation	Close a conversation (auto-reopens on new inbound)
reopen_conversation	Reopen a closed conversation
mark_conversation_read	Reset unread count to zero

OTP / Verification

Tool	Description
send_otp	Send a one-time password via SMS
check_otp	Verify an OTP code
get_verification_status	Check verification status

Account

Tool	Description
get_account	Get credit balance, verification status, rate limits

Authentication

Set SENDLY_API_KEY as an environment variable:

• Test keys (sk_test_v1_...) — sandbox mode, messages simulated, OTP codes returned in response
• Live keys (sk_live_v1_...) — real SMS delivery on verified phone numbers

Get your API key at sendly.live → Settings → API Keys.

Environment Variables

Variable	Required	Description
SENDLY_API_KEY	Yes	Your Sendly API key
SENDLY_BASE_URL	No	API base URL (default: https://sendly.live)

Links

• Documentation
• API Reference
• Sendly Dashboard