"Box" matching MCP connectors:

Free check whether a website is technically open to AI assistants (AI crawlers, llms.txt, JSON-LD).

Send transactional emails for AI agents via SMTP. Templates included.

The Marketo MCP server for AI tools. Connect Claude, Cursor, ChatGPT, or any MCP-compatible AI client to Adobe Marketo Engage and operate Marketo in plain English through 130 purpose-built tools. Multi-tenant SaaS with governance, audit, mock/sandbox modes. Closed beta as of April 2026. Tags: marketo, marketing-automation, adobe, mcp-server, ai-agent, saas