Mailbox MCP
Read, send, file and search email in any Gmail, Microsoft 365 or IMAP mailbox, plus its calendar.
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 name | com.mailbox-mcp/mailbox-mcp |
| Endpoint used for verdict | https://mcp.mailbox-mcp.com/db/mcp |
| Transports | streamable-http |
| Auth (Copilot Studio setting) | OAuth 2.0 – Dynamic discovery |
| Last endpoint check | 2026-10-20T18:11:49Z · HTTP 401 |
| Website | https://mailbox-mcp.com |
| Version | 2.13.1 |
| Registry updated | 2026-10-18 |
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Is this wrong or out of date?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.