Twelfth for Claude.ai
ai.twelfth/workspace
Read Twelfth workspace products, sales, inventory, suppliers, pricing, projects and actions.
client:Claude.ai
transport:streamable-http
Install Twelfth in Claude.ai
Settings → Connectors → Add custom connector
https://api.twelfth.ai/mcpClaude 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