https://github.blog/changelog/2026-04-16-copilot-cli-supports-custom-registry-based-mcp-allowlists/
Copilot CLI supports custom registry based MCP allowlists - GitHub Changelog
Apr 24, 2026 - Enterprise and organization administrators can now bring their own MCP registry and enforce allowlist policies in Copilot CLI. This feature is in public...
copilot clicustom registrysupportsbasedmcp