MCP for Copilot DirectoryMethodologySubmit / Get featuredNewsletter

← Directory

MailSenpai

MailSenpai: lists, campaigns, DNS & spam checks (74 tools, OAuth, EU). SMTP Senpai: SMTP & API.

likely compatible

OAuth with discovery metadata and Dynamic Client Registration; use OAuth 2.0 → Dynamic discovery.

Rule R2c · what this means · Not tested in Copilot Studio.

Registry namecom.mailsenpai/mcp
Endpoint used for verdicthttps://mcp.mailsenpai.com/mcp
Transportsstreamable-http
Auth (Copilot Studio setting)OAuth 2.0 – Dynamic discovery
Last endpoint check2026-10-20T18:11:49Z · HTTP 401
GitHubmailsenpai/mailsenpai-mcp
Websitehttps://mcp.mailsenpai.com/
Version1.0.1
Registry updated2026-10-13
Track changes like this weekly. New Copilot-ready MCP servers, breakages and auth changes, in one short email.
Is this wrong or out of date? Email us. Data built 2026-10-20.