Directory Stacks Scanner Blog Submit

Sign in Get started

Author

mailstream.app

1 MCP server in the gate directory. Own this domain? Claim your servers.

MailStreamOAuthThe first MCP server for physical mail: send postcards and letters, manage lists and campaigns.Marketing

The security & control layer for MCP.

Product

Home Free MCP scan How to build an MCP server What is an MCP server?Blog Sign in

MCP servers

Server directory Reliability Index Remote MCP servers Github MCP Notion MCP Linear MCP Stripe MCP Atlassian MCP Sentry MCP

Solutions

MCP marketplace Agent store MCP gateway MCP security MCP server management Server stacks Create an MCP server MCP server hosting For server authors

© 2026 gate · The security & control layer for MCP.EN · DE

MCP servers by mailstream.app — scanned & graded | gate | gate