SMS and WhatsApp Messaging for Claude.ai

dev.hatchloop/sms-whatsapp-messaging

Send WhatsApp, SMS, email or voice to a business with the compliance gate enforced.

client:Claude.ai transport:streamable-http tools:10

Install SMS and WhatsApp Messaging in Claude.ai

Settings → Connectors → Add custom connector

https://hatchloop.dev/mcp/sms-whatsapp-messaging

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

find_business
verify_business
send_message
send_transactional_confirmation
get_status
get_outcome
preview_cost
self_test
check_compliance
get_conversation

SMS and WhatsApp Messaging in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

SMS and WhatsApp Messaging MCP server