Copy this markdown:[](https://marketnow.site/skill/mailbox-mcp)Embedding the badge shows users this skill has passed Sentinel security checks and links back to the live skill page.
Multi-account, multi-provider email MCP server
Copy this markdown:[](https://marketnow.site/skill/mailbox-mcp)Embedding the badge shows users this skill has passed Sentinel security checks and links back to the live skill page.
MarketNow — The Agent Skill Marketplace • Sentinel Security